I REQUIRE HELP IMMEDIATELY

I REQUIRE HELP IMMEDIATELY

Answers

Answer 1

All the equations have been solved

What is a Quadratic Equation ?

A quadratic equation is what can be represented by

ax² +bx+c = f(x)

It is given to solve the given quadratic equations

1.  x² = 25

x = ± 5

2. 16x² = 25

x² = 25/16

x = ± 5/4

3. (3x+2)²= 25

9x² +4+12x = 25

9x² +12x -21 = 0

3x(3x+7) -3(3x+7) = 0

x =1

x = -7/3

4. x² = 11x

x² -11x = 0

x (x-11) = 0

x = 0, 11

5. 3x²= 14x

3x² -14x = 0

x (3x - 14) = 0

x = 0 , 14/3

6. x²+2x = 3

x²+2x -3 = 0

x (x+3) -1(x+3) = 0

x = 1 ,-3

7.x²+2x -5 = 0

determined from the formula for the roots

x=−1±√6

x=1.44949

x=−3.44949

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Related Questions

Factor the polynomial function.
G(v) - 196v² + 100

Answers

Answer:

4(49v²+25)

Step-by-step explanation:

[tex]196 {v}^{2} + 100[/tex]

[tex]4(49 {v}^{2} + 25)[/tex]

Solve the equation x³ - 5x²+2x+8 = 0 given that - 1 is a zero of f(x)= x3 - 5x²+2x+8.
The solution set is? (Use a comma to separate answers as needed.)

Answers

Answer:

added in the picture

Step-by-step explanation:

added in the picture

If you drive 72 miles and use 6 gallons of gas, what is your rate

Answers

Answer:

Well, it depends if you are asking the rate per gallon it would be 12 miles per gallon.

Write the mathematical expression for cost of each item if y items cost a
total of $25.00.

Answers

If each item is $25, it would be 25y

Question 3(Multiple Choice Worth 4 points)
Which expression is equivalent to 73.7-57
0 72
0 77
17

Answers

Answer: [tex]\frac{1}{7^{2}}[/tex]

Step-by-step explanation:

Using the exponent rule [tex]a^{b} \cdot a^{c}=a^{b+c}[/tex], we get that

[tex]7^{3} \cdot 7^{-5}=7^{-2}[/tex]

Then, using the exponent rule [tex]a^{-b}=\frac{1}{a^b}[/tex], we get that

[tex]7^{-2}=\boxed{\frac{1}{7^{2}}}[/tex]

Look at the photo and answer it pls

Answers

Answer:

There isn't a photo

Step-by-step explanation:

There is no photo

What is the value of h?

Answers

Answer:

h=-2

Step-by-step explanation:

the graph was shifted 2 units left

Answer this please, thank you in advance :D

Answers

i) Student A used the property of the power of a power and student B used the definition of power and the property of the product of power with the same base. ii) Both were correct.

How to understand power properties

In this question we must analyze the procedure used by each student to simplify a power into the form rⁿ:

i) The student A used the property of the power of a power which states that [tex](r^{m})^{n} = r^{m\cdot n}[/tex]. In exchange, the student B used the definition of power and the property of the product of powers with the same base.

ii) Based on the description in i), both students used correct methods of simplifying.

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Please create an example using exponential growth and exponential decay

Answers

Answer:

f(x)=4^x exponential growth,  -6^x exponential decay Step-by-step explanation:

Which table correctly shows all the sample spaces for tossing a coin to get heads and rolling a number on a six-sided number cube?

Answers

Using it's concept, the sample space for the experiment is given as follows:

{(H,1), (H,2), (H,3), (H,4), (H,5), (H,6), (T,1), (T,2), (T,3), (T,4), (T,5), (T,6)}

What is the sample space of an experiment?

The sample space is the set that contains all possible outcomes for an experiment.

In this problem:

For the coin, there are 2 outcomes, H for heads and T for tails.For the number, there are 6 outcomes, which are the 6 numbers.

Hence the sample space is given as follows:
{(H,1), (H,2), (H,3), (H,4), (H,5), (H,6), (T,1), (T,2), (T,3), (T,4), (T,5), (T,6)}

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(
Given that a = 7 cm and b = 8 cm,
work out the area of the triangle.
Give your answer rounded to 1 DP.
a
cm²
b
The diagram is not drawn accurately.

Answers

Answer:

28cm²

Step-by-step explanation:

The area of a triangle is given as:

= 1/2 × b × h

= 1/2 × 7 × 8

= 28cm²

The number of measles cases increased 36.5% to 193 cases this year. What was the number of cases prior to the increase? The number of measles cases increased 36.5 % to 193 cases this year . What was the number of cases prior to the increase ? ​

Answers

Answer:

70.445

Step-by-step explanation:

you have to subtract 36.5 by 193.

Want to earn 20 points for correct answer CLICK ME

Answers

Answer:

64 is the answer

Step-by-step explanation:

Mark me brainliest answer pls

64 should be the correct answer

Your load is a container full of water. The container measures
1.0m x 1.25m x 1.1m and weighs 50kg when empty. Since 1 cubic
metre of water weighs 1 tonne, find the weight of the load

Answers

Answer:

1282kg

Step-by-step explanation:

1.0*1.12*1.1=1.232 tonnes

50kg + 1232kg = 1282kg

Hope this helps :)

the weight is 1282 kg

At May 31, Lily Company has net sales of $395,000 and cost of goods available for sale of $268,000.

Compute the estimated cost of the ending inventory, assuming the gross profit rate is 35%.

Answers

The estimated cost of the ending inventory, assuming the gross profit rate is 35% is; $11250

How to find Estimated Cost?

Let us first calculate the gross profit;

Gross Profit = Sales * Profit%

Gross Profit = 395000 * 35%

Gross Profit = $138250

Cost of goods sold = Sales - Gross Profit

Cost of goods sold = 395000 - 138250

Cost of goods sold = $256750

Cost of ending inventory = Cost of goods available for sale - Cost of goods sold

Cost of ending inventory = 268000 - 256750

Cost of ending inventory = $11250

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What are the similarities and differences between these data sets in terms of their centers and their variability?

Data Set A: 14, 21, 24, 28, 28, 35

Data Set B: 18, 19, 21, 25, 29, 32



Select from the drop-down menus to correctly complete the statements.

Comparing the centers of the data sets, the median for Data Set A is
Choose...
the median for Data Set B. The mean for Data Set A is
Choose...
the mean for Data Set B.

Answers

The median for Set A is (24+28)/2 = 26

The median for Set B is (21+25)/2 = 23

The mean for set A is (14+21+24+28+28+35)/6 = 25

The mean for set B is (18+19+21+25+29+32)/6 = 24.

Thus, the mean for Data Set A is greater than the mean for Data Set B.


Assume that t varies jointly as r and q2². If t=320 when r=5 and q = 4, what is the value of q when r= 1 and t= 196?
q=

Answers

Step-by-step explanation:

[tex]t = k(r)( {q}^{2} )[/tex]

[tex]320 = k(5)( {4}^{2} )[/tex]

[tex]320 = 80k[/tex]

[tex]k = 4[/tex]

[tex]196 = 4(1)( {q}^{2} )[/tex]

[tex]49 = {q}^{2} [/tex]

[tex]q = 7[/tex]

A theme park had 1099 visitors in 3 days. There were twice as many visitors on saturday than on Friday. There were 234 more visitors on Sunday than on Saturday. How many visitors were there on Saturday?

Answers

Answer:

346

Step-by-step explanation:

Visitors on Friday(x)+Visitors on Saturday(2x)+Visitors on Suday(2x+234)

x+2x+2x+234=1099

5x+234=1099

5x=1099-234

5x=865

x=865/5

x=173

So, visitors on Saturday = 2x = 346

Identifying Proportional Relationships


Which graph represents a proportional relationship?

Answers

Answer:

I can't answer this if you don't have the answer choices

I'm sorry

There is a 45% chance of snow on Friday. Thereis a 78% chance that I will go sledding if it snows. What is the probability that I will go
sledding?

Answers

Answer:

35.1% chance of going sledding

Step-by-step explanation:

45% chance of snow on Friday

Convert percentage to decimal form (divide by 100)

45% = 0.45

78% chance of sledding if it snows

Convert percentage to decimal form (divide by 100) to multiply

78% = 0.78

Multiply to find the probability of both occurring

0.78 * 0.45 = 0.351

Convert back into a percentage (multiply by 100)

0.351 = 35.1% chance of sledding

Let me know if you have any questions!

What is the simplified form of StartRoot 100 x Superscript 36 Baseline EndRoot ?

10x Superscript 18
10x Superscript 6
50x Superscript 18
50

Answers

The simplified form of the expression √(100x³⁶) will be 10x¹⁸. Then the correct option is A.

What is simplification?

Making anything easier to accomplish or comprehend, as well as making it less difficult, is the definition of simplification.

The expression is given below.

⇒ √(100x³⁶)

Then the simplified form of the expression will be

⇒ √[(10x¹⁸)²]

⇒ 10x¹⁸

Then the correct option is A.

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Answer:

Step-by-step explanation:

Expert-Verified Answer

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The simplified form of √(400x¹⁰⁰) is;

D; 20x⁵⁰

We want to find the simplified form of √(400x¹⁰⁰)

Now, according to laws of indices;

√ab = √a × √b

Thus;

√(400x¹⁰⁰) = √400 × √(x¹⁰⁰)

⇒ 20√(x¹⁰⁰)

Also according to law of indices;

a⁴ = a²  × a²

Thus;

x¹⁰⁰ = x⁵⁰ × x⁵⁰

Thus;

√(x¹⁰⁰) = √(x⁵⁰ × x⁵⁰)

⇒ x⁵⁰

Our final answer is;

20x⁵⁰

is the square root of 10 a rational number

Answers

Answer:

No

Step-by-step explanation

The square root of 10 is irrational because it isn't a fraction

No, The square root of 10 a irrational number.

the amount of money sue needs to pay (m) equals $30 to go to an apple orchard and pick apples plus $5 for every bushel of apples (b) she takes home

Answers

the elegante is aborto 3

. . . , , ,



help please ​

Answers

The system of inequalities of the graph is (a) y > x² + 2x - 3 and y > 2x + 3

How to determine the inequalities?

The complete question requires that we determine the system of inequalities of the graph (the graph is attached)

Going by the list of options, the equation of the quadratic curve is:

y = x² + 2x - 3

From the graph, we can see that:

The curve uses a dotted lineThe upper part is shaded

The above means that the inequality is greater than i.e. >

So, we have:

y > x² + 2x - 3

The above eliminates options (b) and (c)

From the graph, we can see that the straight line has a positive slope, a dotted line and the upper part is shaded.

The linear inequality in option (a) has the above characteristics.

So, the inequality is:

y > 2x + 3

Hence, the system of inequalities of the graph is (a) y > x² + 2x - 3 and y > 2x + 3

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Find the radius of a circle with area 345 square centimetres


30 pts need in like 10 mins!!


Please say the answer like-


… divided by … = ……

Or


… times … = …..

Answers

Answer:

5.9

Step-by-step explanation:

It's because area is 345

Formula , A=πr2Find the √ of 34518.6=3.14×f2fR = 5.9

Answer: Radius = 10.48 cm

Step-by-Step Solution:

Radius (r) = ?
Area (A) = πr² = 345 sq. cm

Therefore,
πr² = 345
3.14 * r² = 345
r² = 345/3.14
r² = 109.87
r = √109.87
=> r = 10.48

Radius (r) = 10.48 cm

Based on statistics from a worldwide health organization, in there were million people worldwide living with a certain disease, and million deaths from the disease. By , the number of people living with the disease had grown to million, and million deaths were reported. Find the percent change for each statistic, and write any conclusions you can draw.

Answers

Based on the statistics from the worldwide health organization, the percentage change in those living with the disease is 19.7% and the change in those who have died is 70%.

This shows that the disease is getting worse and not being treated effectively.

What do the statistics on the disease show?

The number of those living with the disease went from 71 million to 40 million:

= (85 - 71) / 71

= 19.7% increase

The percent change in those who have died is:

= (6.8 - 4) / 4

= 70% increase

This shows that the measures being implemented against the disease are not working because both the number of people who have the disease and have died from it has increased.

Full question is:
Based on statistics from a worldwide health organization, in 1999 there were 71 million people worldwide living with a certain disease, and 4 million deaths from the disease. By 2015, the number of people living with the disease had grown to 85 million, and 6.8 million deaths were reported. Find the percent change for each statistic, and write any conclusions you can draw.

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What amount would u have if u deposited 1800 a year for 30 years at 7% compounded annually

Answers

Answer: $183,731

Step-by-step explanation:

After 30 years, the interest is $183,731

Solve for x in the equation 4/x-3=x

Answers

Answer:

jenejebdjdndnr

r

r

r

r

r

r

Answer:

Step-by-step explanation:

Comment

Multiply through by x - 3

Then factor the result

4*(x - 3) / (x - 3) = x*(x - 3)

4 = x * (x - 3 )                          Remove the brackets

4 = x^2 - 3x                            Subtract 4 from both sides

4-4 = x^2 - 3x - 4                    Simplify

0 = x^2 - 3x- 4

This factors

0=(x - 4)(x + 1)

Answer

x - 4 = 0

x = 4

x+ 1 = 0

x = - 1

Leah wants to buy a home for
$380,000, but can only get a loan from the bank for $330,600. What percentage does Leah have to put down in order to pay for the home?

Answers

Leah have to put down 13% of the total money in order to pay for the home.

What is a Home Loan ?

The amount of money a person borrows from a bank to buy a house is termed as Home Loan.

It is given that

Leah wants to buy a home for $380,000

The amount of money he can get from bank is $ 330,600

The amount of money Leah needs to have

= $ 380000 - $ 330600 = $49400

The percentage Leah have to put down in order to pay for the home is

=($49400 /$380000 ) * 100%

= 0.13 * 100 %

= 13%

Therefore Leah have to put down 13% of the total money in order to pay for the home.

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[tex]\frac{1}{28} + \frac{1}{70} + \frac{1}{130} + \frac{1}{208} + \frac{1}{304} = ?[/tex]

Evaluate this expression.

Answers

Considering the least common multiple of the denominators, it is found that the result of the expression is given by:

[tex]\frac{9100}{138320}[/tex]

How do we add fractions?

We place all the terms of the addition in "equivalent" fractions, with the same denominator, found from the last common multiple of all the denominators.

In this problem, the denominators are as follows: 28, 70, 130, 208, 304. Using a calculator, their lcm is of 138,320.

Considering equivalent fractions(the numerators are the division of the lcm by the previous denominator), the expression is:

[tex]\frac{4940}{138320} + \frac{1976}{138320} + \frac{1064}{138320} + \frac{665}{138320} + \frac{455}{138320} = \frac{4940 + 1976 + 1064 + 665 + 455}{138320} = \frac{9100}{138320}[/tex]

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