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Answer:

D: (2,0) and (0,-4)

Step-by-step explanation:

The solutions to the graphs are where the 2 seperate graphs intersect with each other

The limit is less than 1, the series converges by the Ratio Test.

To apply the Ratio Test, we need to take the limit of the ratio of the n+1th term to the nth term as n approaches infinity.

a. [infinity]∑n=1 4/2^n

The nth term of this series is 4/2^n. The n+1th term is 4/2^(n+1) = 4/2^n * 1/2. Taking the limit of the ratio of the n+1th term to the nth term gives:

lim(n→∞) (4/2^n * 1/2)/(4/2^n) = lim(n→∞) 1/2 = 1/2 < 1

Since the limit is less than 1, the series converges by the Ratio Test.

b. [infinity]∑n=1 n!/(2n)!

The nth term of this series is n!/(2n)!. The n+1th term is (n+1)!/(2(n+1)!)= 1/(2(n+1)). Taking the limit of the ratio of the n+1th term to the nth term gives:

lim(n→∞) 1/(2(n+1))/(n!/(2n)!) = lim(n→∞) (n!/2n!)*(2n/(2(n+1))) = lim(n→∞) 1/(n+1) = 0 < 1

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Answer:

The simplified expression is [tex]\frac{(\sqrt{(a+2)}-2)^2}{(a-3)}[/tex]

Step-by-step explanation:

Pls give me brainliest and let me know if this is incorrect. Thx

Answer:

Step-by-step explanation:

it is 2x

The length of an arc is 12.5 cm.

To find the length of an arc, we need to first find the measure of each central angle. Since the circle is divided into nine equal central angles, we can use the formula:

measure of each central angle = 360 degrees / number of central angles

measure of each central angle = 360 degrees / 9

measure of each central angle = 40 degrees

Now, we can use the formula for the length of an arc:

length of an arc = (central angle in degrees / 360 degrees) x (circumference of the circle)

We know that the diameter of the circle is 35.7 cm, so the radius is half of that, or 17.85 cm. The circumference of the circle is:

circumference = 2 x pi x radius

circumference = 2 x 3.14 x 17.85

circumference = 112.15 cm

Now we can plug in the values:

length of an arc = (40 degrees / 360 degrees) x 112.15 cm

length of an arc = 0.1111 x 112.15 cm

length of an arc = 12.46 cm

Rounding to tenths, the length of an arc is 12.5 cm.

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The slope of a line perpendicular to the line whose equation is 3x − 3y=45 is equal to -1.

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical expression:

y - y₁ = m(x - x₁)

Where:

Since the line is perpendicular to 3x - 3y = 45, the slope is given by;

3x - 3y = 45

3y = 3x - 45

y = 3x/3 - 45/3

y = x - 45

In Mathematics and Geometry, a condition that is true for two lines to be perpendicular is given by:

m₁ × m₂ = -1

1 × m₂ = -1

m₂ = -1

Slope, m₂ = -1

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Answer:

7

Step-by-step explanation:

subtract greatest number (7) by smallest number (0)

7-0=7

The p-value is very small, likely less than 0.0001, providing strong evidence against the null hypothesis that the proportion of fathers who take no responsibility for childcare in Littleton is the same as for American fathers.

What is null hypothesis?

The null hypothesis is a statement that assumes there is no significant difference or relationship between two variables in a population, and any observed difference is due to chance.

what is proportion?

A proportion is a ratio of two quantities that represent a part of a whole, typically expressed as a fraction or a percentage. It measures the relative size of one quantity compared to another.

According to the give information:

To find the p-value for the hypothesis test, we need to follow these steps:

State the null and alternative hypotheses:

Null hypothesis (H0): The proportion of fathers who take no responsibility for childcare in Littleton is the same as the proportion for American fathers, which is 0.34.

Alternative hypothesis (Ha): The proportion of fathers who take no responsibility for childcare in Littleton is higher than the proportion for American fathers, which is greater than 0.34.

Determine the test statistic, which follows a normal distribution under the null hypothesis:

z = (p - P) / √[P(1-P) / n]

where p is the sample proportion, P is the hypothesized proportion under the null hypothesis, and n is the sample size.

In this case, we have:

p = 97/225 = 0.4311

P = 0.34

n = 225

So, the test statistic is:

z = (0.4311 - 0.34) / √[(0.34)(0.66) / 225] = 3.583

Calculate the p-value using the test statistic:

The p-value is the probability of observing a test statistic as extreme or more extreme than the one obtained, assuming the null hypothesis is true.

Since this is a one-tailed test in the upper tail (Ha: proportion is greater than 0.34), we need to find the area to the right of the test statistic in the standard normal distribution.

Using a standard normal distribution table or calculator, we find that the area to the right of z = 3.583 is very close to 0.

Therefore, the p-value is very small, likely less than 0.0001 (the exact value depends on the level of precision used in the standard normal distribution table).

In conclusion, the p-value is very small, which provides strong evidence against the null hypothesis and suggests that the proportion of fathers who take no responsibility for childcare in Littleton is higher than the proportion for American fathers.

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Answer: -1

Step-by-step explanation:

when looking at a graph, count the distance between 2 points. Divide it by 2 then count that many and you have your answer

The test statistic for testing the claim that μ ≤ 38 at a level of significance of α = 0.01, based on the given sample statistics of n = 43 and s = 4.7, is calculated to be -6.12.

The null hypothesis (H0) is that the population mean (μ) is less than or equal to 38, and the alternative hypothesis (H1) is that μ is greater than 38.

The level of significance (α) is given as 0.01, which represents the probability of rejecting the null hypothesis when it is actually true.

The sample statistics provided are n = 43, which represents the sample size, and s = 4.7, which represents the sample standard deviation.

The test statistic for this one-sample t-test is calculated as:

t = (x - μ) / (s / √n)

where x is the sample mean, μ is the hypothesized population mean under the null hypothesis, s is the sample standard deviation, and n is the sample size.

Since the null hypothesis is that μ ≤ 38, we can substitute μ = 38 in the test statistic formula.

Plugging in the given values, we get:

t = (x - 38) / (4.7 / √43)

However, we are interested in the value of t when μ ≤ 38, which means we are looking for the lower tail critical value. Since the alternative hypothesis is one-sided (greater than), we need to use the one-tailed critical value for a 0.01 level of significance. Using a t-table or a t-distribution calculator, we can find that the critical value for a one-tailed test at α = 0.01 with degrees of freedom (df) equal to 42 (n - 1) is approximately 2.66.

Comparing the calculated t-value with the critical value, we have:

t = (x - 38) / (4.7 / √43) = (x - 38) / 0.7234

Since μ ≤ 38, the numerator (x - 38) will be negative.

Plugging in the given values for x = sample mean and s = sample standard deviation into the formula, we get:

t = (x - 38) / 0.7234 = (-6.12) / 0.7234 = -8.47 (rounded to two decimal places)

Therefore, the test statistic for testing the claim that μ ≤ 38 at a level of significance of α = 0.01 is -8.47.

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No, the events A and B are not mutually exclusive.

Mutually exclusive events are events that cannot occur simultaneously, meaning that if one event happens, the other cannot happen at the same time. In this case, events A and B are not mutually exclusive because a student can be both at most 24 years old (event A) and at least 40 years old (event B) at the same time. It is possible for a student to fall into both categories if they are exactly 24 or 40 years old.

Therefore, events A and B are not mutually exclusive.

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The function y(x) satisfying dy/dx = 6x^(-12/13) and y(-1) = -8 is:
y(x) = 6(13x^(1/13)) + 70

To find the function y(x) that satisfies the given conditions, we need to integrate the given differential equation, dy/dx = 6x^(-12/13). Then, we can use the initial condition y(-1) = -8 to find the constant of integration.

First, integrate the equation with respect to x:

∫(dy/dx) dx = ∫(6x^(-12/13)) dx

y(x) = 6∫(x^(-12/13)) dx

Using the power rule for integration, we get:

y(x) = 6[(13/1)x^(-12/13+13/13)] + C

y(x) = 6(13x^(1/13)) + C

Now, use the initial condition y(-1) = -8:

-8 = 6(13(-1)^(1/13)) + C

-8 = 6(-13) + C

C = -8 + 78 = 70

So, the function y(x) satisfying dy/dx = 6x^(-12/13) and y(-1) = -8 is:

y(x) = 6(13x^(1/13)) + 70

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The value of RS in given question is 13°

A chord of a circle is a straight line segment whose endpoints both lie on a circular arc. If a chord were to be extended infinitely on both directions into a line, the object is a secant line. More generally, a chord is a line segment joining two points on any curve, for instance, an ellipse.

According to question

RS = PQ

= 11x - 72 = 5x + 6

=11x - 5x = 6 + 72

6x = 78

x = 78/6

x= 13°

So,the value of RS is 13°

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The estimated cost of the same goods and services on January 1, 2010 is approximately $715.07.

To estimate the cost of the same goods and services on January 1, 2010, we will use the exponential growth formula:

[tex]Future Value (FV) = Present Value (PV) * (1 + growth rate)^number of years[/tex]

1. Determine the growth rate:
Initial cost in 1995 (PV) = $600
Final cost in 2007 (FV) = $689.64
Number of years from 1995 to 2007 = 12 years

[tex]$689.64 = $600 * (1 + growth rate)^12[/tex]

Divide both sides by $600:
[tex]1.1494 = (1 + growth rate)^12[/tex]

Take the 12th root of both sides to find the annual growth rate:
1.0123 = 1 + growth rate

Subtract 1 from both sides to find the growth rate:
0.0123 = growth rate (or 1.23% per year)

2. Estimate the cost in 2010:
Number of years from 2007 to 2010 = 3 years

[tex]FV_2010 = $689.64 * (1 + 0.0123)^3[/tex]
[tex]FV_2010 = $689.64 * (1.0123)^3[/tex]
FV_2010 = $689.64 * 1.0373
FV_2010 ≈ $715.07

Therefore, the estimated cost of the same goods and services on January 1, 2010 is approximately $715.07.

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We cannot solve the corresponding first-order linear ODE using this technique.

The method of integrating factors is a technique used to solve first-order linear ordinary differential equations (ODEs) of the form:

y'(x) + p(x) y(x) = q(x)

where p(x) and q(x) are continuous functions on some interval I. The idea of the method is to multiply both sides of the equation by an integrating factor, which is a function u(x) chosen to make the left-hand side of the equation the derivative of a product:

u(x) y'(x) + p(x) u(x) y(x) = u(x) q(x)

The goal is to choose u(x) so that the left-hand side of the equation is the derivative of u(x) y(x). If we can find such a function u(x), we can integrate both sides of the equation to obtain:

u(x) y(x) = ∫ u(x) q(x) dx + C

where C is a constant of integration.

Now, if we cannot find an explicit formula for u(x) or the integral ∫ u(x) q(x) dx, the method of integrating factors fails. In other words, we cannot use this technique to solve the ODE. This is because without an explicit formula for u(x), we cannot integrate both sides of the equation to obtain a solution for y(x).

For example, consider the following first-order linear ODE:

y'(x) + x^2 y(x) = x

We can see that p(x) = x^2 and q(x) = x. To apply the method of integrating factors, we need to find a function u(x) such that:

u(x) y'(x) + x^2 u(x) y(x) = x u(x)

We can see that u(x) = e^(x^3/3) is a suitable integrating factor, as it makes the left-hand side of the equation the derivative of e^(x^3/3) y(x). Multiplying both sides of the equation by e^(x^3/3), we obtain:

e^(x^3/3) y'(x) + x^2 e^(x^3/3) y(x) = x e^(x^3/3)

which is equivalent to:

(d/dx)(e^(x^3/3) y(x)) = x e^(x^3/3)

Integrating both sides with respect to x, we obtain:

e^(x^3/3) y(x) = ∫ x e^(x^3/3) dx + C

We can see that the integral on the right-hand side of the equation does not have an explicit formula, so we cannot find an explicit solution for y(x) using the method of integrating factors. In other words, the method fails in this case.

In conclusion, if we cannot compute an explicit formula for one or both of the integrals that appear in the method of integrating factors, we cannot solve the corresponding first-order linear ODE using this technique.

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The value of ∝ is 25.03° (nearest to the tenth)

Equations with trigonometric functions that hold true for all of the variables in the equation are known as trigonometric identities.
These identities are used to solve trigonometric equations and simplify trigonometric expressions.

Here, is a right angle triangle with an angle ∝,

We can apply the trigonometric Formula in the right angle triangle,

tan ∝ = Opposite Side/Adjacent Side.

tan ∝ = 35/75

tan ∝ = 0.467

∝ = tan ⁻¹ (0.467)

∝ = 25.03°

Therefore, the value of ∝ is 25.03° (nearest to the tenth)

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you would end up paying a total of $1,422.72 over two years, with $222.72 of that being interest.

What is simple interest?

A quick and simple way to figure out interest on money is to use the simple interest technique, which adds interest at the same rate for each time cycle and always to the initial principal amount. Any bank where we deposit our funds will pay us interest on our investment. One of the different types of interest charged by banks is simple interest. Now, before exploring the idea of basic curiosity in further detail,

Plugging in these values, we get:

[tex]PMT = 1200 x*0.0158 / (1 - (1 + 0.0158)^{(-24)) = $59.28[/tex]

So you would need to pay about $59.28 each month to pay off your credit card in two years.

To find the total interest paid, we can subtract the original balance from the total amount paid:

Total interest = Total amount paid - Original balance

We can find the total amount paid by multiplying the monthly payment by the total number of months:

Total amount paid = PMT x n = $59.28 x 24 = $1,422.72

So the total interest paid is:

Total interest = $1,422.72 - $1200 = $222.72

Therefore, you would end up paying a total of $1,422.72 over two years, with $222.72 of that being interest.

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The new coordinates of point C is (1, -4) and the triangles are congruent

Given that

We have

C = (3, 8)

The first rule is

C' = (-x, -y)

So, we have

C' = (-3, -8)

The next rule is

C'' = (x + 4, y + 4)

So, we have

C'' = (1, -4)

Also, the triangle and the image are congruent because the transformations are rigid transformations

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The probability of there being exactly 4 supporters of the Peoples Party in a random sample of 18 voters is 0.240, or approximately 24%.

To solve this problem, we can use the binomial distribution formula:

P(X = k) = (n choose k) * p^k * (1-p)^(n-k)

Where:
- X is the random variable representing the number of supporters of the Peoples Party in the sample
- k = 4 is the number of supporters we're interested in
- n = 18 is the total number of voters in the sample
- p = 0.6 is the probability of supporting the Peoples Party in a single voter

Plugging in these values, we get:

P(X = 4) = (18 choose 4) * 0.6^4 * 0.4^14

Using a calculator, we get:

P(X = 4) = 0.2398 (rounded to four decimal places)

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The volume of the solid obtained by rotating the region enclosed by [tex]$\$ y=1-x^{\wedge} 2 \$$[/tex] and [tex]$\$ y=7 \$$[/tex] about the line [tex]$a=2$[/tex] using the method of disks or washers is [tex]$\$ \backslash f r a c\{64 \backslash p i\}\{15\} \$$[/tex].

To use the method of disks or washers, we need to first graph the region enclosed by the equations [tex]$y=1-x^2$[/tex] and [tex]$y=7$[/tex].

Let's find the x-intercepts of [tex]$y=1-x^2$[/tex]:

[tex]$$\begin{aligned}& 0=1-x^2 \\& x= \pm 1\end{aligned}$$[/tex]

So the region enclosed by the two equations is a parabolic shape with [tex]$x$[/tex]-intercepts at [tex]$(-1,0)$[/tex] and [tex]$(1,0)$[/tex] and a vertex at [tex]$(0,1)$[/tex]. The line [tex]$a=2$[/tex] is a vertical line passing through the point [tex]$(2,0)$[/tex].

To use the method of disks or washers, we need to integrate along the axis of rotation. Since the line of rotation is vertical, we need to integrate with respect to [tex]$x$[/tex].

We need to find the area of the region enclosed by [tex]$\$ y=1-x^{\wedge} 2 \$$[/tex] and [tex]$\$ y=7 \$$[/tex] as a function of [tex]$x$[/tex]. This can be found by subtracting the equations of the two curves:

[tex]$$\begin{aligned}& A(x)=\pi\left(\left(2-\left(1-x^2\right)\right)^2-2^2\right) \\& A(x)=\pi\left(\left(3-x^2\right)^2-4\right)\end{aligned}$$[/tex]

The volume of the solid obtained by rotating this region about the line [tex]$a=2$[/tex]is given by the integral:

[tex]$$V=\int_{-1}^1 \pi\left(\left(3-x^2\right)^2-4\right) d x$$[/tex]

Evaluating this integral, we get:

[tex]$V=\frac{64 \pi}{15}$[/tex]

Therefore, the volume of the solid obtained by rotating the region enclosed by [tex]$\$ y=1-x^{\wedge} 2 \$$[/tex] and [tex]$\$ y=7 \$$[/tex] about the line [tex]$a=2$[/tex] using the method of disks or washers is [tex]$\$ \backslash f r a c\{64 \backslash p i\}\{15\} \$$[/tex].

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Answer:

x = 7.25

Step-by-step explanation:

2×(2x + 5) = 39

4x + 10 = 39

4x = 29

x = 7.25

The solution of the limits are

1. lim   3x/x²+2x + 3 = 0

2. lim (x²+x-6)/(x²-9) = 1

3. lim (x(x+1)-1)/x = ∞

4. lim (x(x+5)-3)/(x-4) = no limit

5. lim sin3x/x  = 3

6. lim sin4x/7x  = 4/7

7. lim ((h+4)² - 16)/h  = 0

8. lim 1-cos²x/x  = 0

1. lim 3x/x²+2x+3

To evaluate this limit, we substitute x with the value it approaches (in this case, infinity) and simplify the expression. We get:

lim 3x/x²+2x+3 = lim 3/x+2+3/x² As x approaches infinity, both terms approach zero. Therefore, the limit is equal to:

lim 3/x+2+3/x² = 0

2. lim (x²+x-6)/(x²-9)

To evaluate this limit, we can factor both the numerator and denominator and simplify the expression. We get:

lim (x²+x-6)/(x²-9) = lim (x-2)(x+3)/(x-3)(x+3) As x approaches 3, the denominator approaches zero. However, the numerator does not. Therefore, we can cancel out the (x+3) term in the numerator and denominator and evaluate the limit. We get:

lim (x-2)/(x-3) = 1

3. lim (x(x+1)-1)/x

To evaluate this limit, we can simplify the expression by expanding the numerator and canceling out the common terms. We get:

lim (x(x+1)-1)/x = lim x²+x-1/x As x approaches infinity, the expression approaches infinity as well. Therefore, the limit is equal to:

lim x²+x-1/x = infinity

4. lim (x(x+5)-3)/(x-4)

To evaluate this limit, we can simplify the expression by expanding the numerator and canceling out the common terms. We get:

lim (x(x+5)-3)/(x-4) = lim x²+5x-3/x-4 As x approaches 4, the denominator approaches zero. However, the numerator does not. Therefore, we can factor out the common term (x-4) from the numerator and denominator and evaluate the limit. We get:

lim (x²+5x-3)/(x-4) = lim (x-4)(x+9)/(x-4) As x approaches 4, the (x-4) term in the numerator and denominator approaches zero. However, the (x+9) term in the numerator does not. Therefore, the limit does not exist.

5. lim sin(3x)/x

To evaluate this limit, we can use the trigonometric identity:

lim sin(3x)/x = lim 3(sin(3x)/(3x)) As x approaches zero, the sin(3x)/(3x) term approaches 1. Therefore, the limit is equal to:

lim 3(sin(3x)/(3x)) = 3

6. lim sin(4x)/7x

To evaluate this limit, we can use the trigonometric identity:

lim sin(4x)/7x = lim 4(sin(4x)/(4x))/7 As x approaches zero, the sin(4x)/(4x) term approaches 1. Therefore, the limit is equal to:

lim 4(sin(4x)/(4x))/7 = 4/7

7. lim ((h(h+4)² - 16)/h

To evaluate this limit, we can simplify the expression by expanding the numerator and simplifying. We get:

lim ((h+4)² - 16)/h = lim (h² + 8h)/h As h approaches zero, the expression approaches zero as well. Therefore, the limit is equal to:

lim (h² + 8h)/h = 0

8. lim (1 - cos²(x))/x

To evaluate this limit, we can use the trigonometric identity:

1 - cos²(x) = sin²(x)

Therefore, we can rewrite the expression as:

lim (1 - cos²(x))/x = lim sin²(x)/x As x approaches zero, the sin²(x)/x term approaches zero as well. Therefore, the limit is equal to:

lim sin²(x)/x = 0

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Complete Question:

Evaluate:

1. lim   3x/x²+2x + 3

2. lim (x²+x-6)/(x²-9)

3. lim (x(x+1)-1)/x

4. lim (x(x+5)-3)/(x-4)

5. lim sin3x/x  

6. lim sin4x/7x  

7. lim ((h+4)² - 16)/h  

8. lim 1-cos²x/x  

The resulting Cartesian equation in the form x = f(y) is x = (y + 7)².

To eliminate the parameter t and find a Cartesian equation in the form x = f(y), we need to solve for t from one of the given equations and then substitute it into the other equation. We'll use the y(t) equation for this purpose:

y(t) = -7 + 2t

Now, solve for t:
t = (y + 7) / 2

Next, substitute this value of t into the x(t) equation:
x(t) = 2t²
x = 2((y + 7) / 2)²

Simplify the equation:
x = (y + 7)²

So, the resulting Cartesian equation in the form x = f(y) is x = (y + 7)².

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On solving the provided question ,we can say that By combining related phrases, the following expression results: -3.6x + 24

A sequence is a grouping of "terms," or integers. Term examples are 2, 5, and 8. Some sequences can be extended indefinitely by taking advantage of a specific pattern that they exhibit. Use the sequence 2, 5, 8, and then add 3 to make it longer. Formulas exist that show where to seek for words in a sequence. A sequence (or event) in mathematics is a group of things that are arranged in some way. In that it has components (also known as elements or words), it is similar to a set. The length of the sequence is the set of all, possibly infinite, ordered items. the action of arranging two or more things in a sensible sequence.

Start by placing the negative sign outside of the brackets to simplify the calculation 3(1.2x 3.7) + 12.9:

-3(1.2x - 3.7) + 12.9 = -3(1.2x) + 3(3.7) + 12.9

The concepts included in brackets can then be clarified:

-3(1.2x) = -3.6x

Likewise, clarify the other words:

3(3.7) = 11.1

Finally, you may reintroduce the original phrase using these simplifications:

-3(1.2x - 3.7) + 12.9 = -3.6x + 11.1 + 12.9

By combining related phrases, the following expression results:

-3.6x + 24

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By completing the square we can see that the correct option is A:

(x - 5)² = 36

To get this, we need to complete squares.

Rememeber the perfect square trinomial:

(a + b)² = a² + b² + 2ab

The given quadratic equation is:

x² -10x  -11  = 0

We can rewrite that as:

x² - 2*5*x - 11 = 0

Now we can add and subtract 5² = 25 in both sides, then we will get:

(x² - 2*5*x + 5²) - 11 = 5²

(x - 5)² - 11 = 25

(x - 5)² = 25 + 11 = 36

(x - 5)² = 36

The correct option is A.

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The value of x is 95.25 that is Aunty Mansah gave 95 oranges to her.

She bought 100 oranges at a rate of 4 for 0.20gp which means she spent:

(100/4) * 0.20gp

= 5.00gp on the oranges.

She sold remaining (100 - x) oranges at a rate of 5 for 0.40gp which means she earned:

((100 - x)/5) * 0.40gp

= (8/5)(100 - x)gp from the sale.

Her total profit is given as 2.60gp, so, we set up equation which is:

(8/5)(100 - x)gp - 5.00gp = 2.60gp

Solving for x, we get:

(8/5)(100 - x)gp = 7.60gp

100 - x = (5/8) * 7.60

100 - x = 4.75

x = 100 - 4.75

x = 95.25

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To construct a confidence interval for the population mean, we can use the following formula:

Confidence interval = sample mean ± (t-value * standard error)

Where the standard error is calculated as the population standard deviation divided by the square root of the sample size.

In this case, the sample size is 39, the sample mean is 38, and the population standard deviation is 4.4.

First, we need to find the t-value for an 80% confidence level with 38 degrees of freedom (n-1). Using a t-table or calculator, we find that the t-value is 1.303.

Next, we can calculate the standard error as:

standard error = 4.4 / sqrt(39) = 0.703

Finally, we can plug in the values to the formula and get:

Confidence interval = 38 ± (1.303 * 0.703)

Confidence interval = 38 ± 0.916

The 80% confidence interval for the population mean is, therefore (37.084, 38.916). This means that we can be 80% confident that the true population mean falls within this range based on the sample of 39 tasks that were analyzed.

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The maximum number of packages  of skittles Tom can buy at a cost $0. 48 per package is equal to 7.

Total amount of money to spend with Tom = $40

Amount of money Tom spent on a light saber = $21.40  

And amount of money Tom  set aside for a Yoda t-shirt = $15

Cost of skittles per package = $0. 48

Amount of money left to spend on skittles is,

= $40 - $21.40 - $15

= $3.60

Maximum number of packages Tom can buy of skittles

= Amount of money Tom has left  / The cost per package of skittles

Substitute the values we get,

⇒ Maximum number of packages Tom can buy of skittles

= $3.60 ÷ $0.48 per package

= 7.5 packages

Since Tom cannot buy a fraction of a package,.

This implies Tom can buy a maximum of 7 packages of skittles with the money he has left.

Therefore, maximum of 7 packages of skittles with the money after buying the light saber and setting aside money for the Yoda t-shirt.

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The area which is used to cover in grated tomato having square-shaped piece of bread with given side is equal to 9b^2 square inches.

The side length of the square-shaped piece of bread is 3b inches

The area you need to cover in grated tomato is equal to the area of the square-shaped piece of bread.

The formula for the area of a square is,

Area of the square = side length x side length

Substitute the value of the side length of the square-shaped piece of bread we have,

⇒ Area of the bread  = (3b) x (3b)

Simplifying the expression we get,

⇒ Area of the bread = 9b^2

Therefore, area used to cover in grated tomato of a square-shaped piece of bread with side length 3b inches is 9b^2 square inches.

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