Solve each question for X , y=-9+x^2

Answers

Answer 1
Answer: so basically you want to isolate only one of the variable on one side so
y=-9+x^2
add 9 to both sides
y+9=x^2
square root both sides
√(y+9)=x

x=√(y+9)
Answer 2
Answer: y = -9 + x^2
y + 9 = -9 + 9 + x^2
y + 9 = x^2
√y+9 = √x^2
√y+9 = x
x = √y+9

√ is the square root symbol

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HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Find the simplified form of the expression. Give your answer in scientific notation. (8 x 10 to the 7th power) ( 7 x 10 to the 4th power) A: 1.5 x 10 to the 12th power,
B: 5.6 x 10 to the 12th power.
C: 1.5 x 10 to the 29th power.
D: 5.6 x 10 to the 29th power.

Answers

Answer:

B: 5.6 x 10 to the 12th power.

Step-by-step explanation:

8* 10^7  * 7* 10^4

Multiply the first terms and add the powers of 10

56 * 10 ^(7+4)

56. * 10 ^11

This is not proper scientific notation

We can only have one number in front of the decimal.  We have to move the decimal one place to the left, which means we add one to the exponent

5.6  * 10^ (11+1)

5.6  * 10^12

The revenue, in dollars, of a company that produces jeans can be modeled by 2x2 + 17x – 175. The cost, in dollars, of producing the jeans can be modeled by 2x2 – 3x – 125. The number of pairs of jeans that have been sold is represented by x. The profit is the difference between the revenue and the cost, 20x – 50.If 75 pairs of jeans are sold, what is the company’s profit?

Answers

To answer the problem above we apply the given. If x is represented by the number of jeans sold then we only need to substitute x. 20x - 50 = 20(75) - 50 = 1500 - 50 = 1450. Th profit of the company is 1450,

Answer:

B: $1450

Step-by-step explanation:

What is the equation in point−slope form of the line passing through (2, 2) and (4, 8)?(y − 2) = 3(x − 2)
(y + 2) = 3(x + 2)
(y − 8) = −3(x − 4)
(y + 8) = −3(x + 4)

Answers

Hello,

1) y-8=(8-2)/(4-2)(x-2) ==>y-8=3(x-2) (not in answer!)

2) y-2=3(x-2) ==> Answer A.

your weight on the moon is about 1/6 of your weight on earth write and solve an equation to show how much a person weighs on earth if he weighs 16 pounds on the moon.how could you check that your answer is reasonable

Answers

16 * 6 = x. 

If one sixth of your weight is 16, multiply it by 6. 

16 x 6 = 96.

Final answer:

To find a person's weight on earth when you know their weight on the moon, multiply the moon weight by 6 (since weight on the moon is 1/6 of weight on earth). Therefore, if a person weighs 16 pounds on the moon, they would weigh 96 pounds on earth.

Explanation:

The question asks how much a person weighs on earth if he weighs 16 pounds on the moon. The fact that a person weighs about 1/6 on the moon than on earth would indicate that weight on earth is larger. In this case, you can find the earth weight by multiplying the moon weight to 6 (since it is 1/6). So, using this formula, if a person weighs 16 pounds on the moon, he would weigh 16 * 6 = 96 pounds on earth.

To check if this is reasonable, if you have the earth weight, you can divide by 6 to see if you return to the original moon weight. In this case, 96 / 6 = 16, which is the given moon weight, so the answer seems reasonable.

Learn more about Weight Conversion here:

brainly.com/question/11429990

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Convert 0.0049 as a decimal fraction

Answers

0.0049 as a fraction would be converted to 49 over 10000
to convert 0.0049, we count the number of digits after the decimal point.

we find it 4.

Thus, there will be 4 zeroes in the denominator.


We get   49/10000

There is a 70% chance that your car will get stuck in the snow during the next big snowfall. Given that you are already stuck in the snow with your car, the chance that you will require a tow truck to pull you out is 90%. What is the chance that you will get stuck in the snow with your car and will require a tow truck to pull you out?Hint: cap p left parenthesis cap a vertical line cap b right parenthesis equals start fraction cap p left parenthesis cap a intersection cap b right parenthesis over cap p left parenthesis cap b right parenthesis end fraction

29%
63%
78%
66%

Answers

Given:
Probability that your car will get stuck in the snow: 70%
Probability that you will require a tow truck when stuck in the snow is 90%.

Probability that you're stuck in the snow and need a tow truck.

70% x 90% = 63%  2nd option.

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