MATHEMATICS MIDDLE SCHOOL

With which values ​​of the argument the function acquires a value equal to144 y = \frac{1}{9x {}^(2) }
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Answers

Answer 1
Answer:

Answer:

x=(1)/(36) \, \,and\,\, x=-(1)/(36)

Step-by-step explanation:

To find at which values of the argument the function renders 144, we need to solve for "x" in the equation when y is 144:

y=(1)/(9\,x^2)\n144=(1)/(9\,x^2)\n144\,x^2=(1)/(9) \nx^2=(1)/(9\,(144)) \nx^2=(1)/(1296) \nx=+/-\sqrt{(1)/(1296) } \nx=+/-(1)/(36)

Therefore there are two solutions: one is 1/36 and the other one is its opposite; -1/36
Answer 2
Answer:

Answer:

Step-by-step explanation:

hello :

solve : 1/9x² = 144

x² = 144×9

x² =(12×3)²    means : x² =36²

so : x=36 or x= -36

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Simplify the expression below. (3^5)^33^3

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3^15

Answers

Answer:

14348907

Step-by-step explanation:

3^15 is it put in scientific notation.

Answer:

14348907

Step-by-step explanation:

Jan won 51.9% of the votes in the race for school secretary. She received 415 votes. About how many students are in the school?

Answers

mental way:
415 / 51.9 * 100 = 800 students in the school.

detailed way:
x is the amount of students in the school.
51.9% * x = 415
(divide both sides by 51.9% (or 0.519))
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Equivalent expressions 36 + 18x

Answers

Answer:

An equivalent expression is 18(2 + x)

Step-by-step explanation:

To find this, look for the greatest common factor. Since both terms are divisible by 18 equally, we take 18 out of each term. Then we divide both terms by 18 and express in a parenthesis.

18(2 + x)

The answer is there

Can you help me with this please

Answers

Step-by-step explanation:

you really on a test?

draw it and measure it out

The volume of a cylinder is 289pi in.cubed and the height of the cylinder is 1 in. What is the radius of the​ cylinder?

Answers

The radius of the cylinder is 17 inches.

Step-by-step explanation:

Given,

Volume of cylinder = V = 289π  in cubed

Height of cylinder = h = 1 in

Radius of cylinder = r

We know that;

Volume of cylinder = πr²h

Putting values;

289\pi =\pi r^2(1)

Dividing both sides by π (pi)

(289\pi )/(\pi )=(\pi r^2)/(\pi )

289=r^2\nr^2=289

Taking square root on both sides

√(r^2) =√(289) \nr=17\ in.

The radius of the cylinder is 17 inches.

Keywords: volume, radius

Learn more about volumes at:

#LearnwithBrainly

-2x + 4y = -2 and 6x -y = 28

Answers

Answer:

(5,2)

Step-by-step explanation:

I hope that it helped you and that I solved it correctly

(5,2) the answer is
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