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3 years ago

When x=12,y=8 find x when y=12

1 answer:

8 0

X would equal 18 when y equals 12.

Since x equals 12 when y=8, you can write it as 8/12

Then it says when y = 12 what is x, well you divide 12 and 8 to get 1.5 then multiply 12 and 1.5 to get what x equals when y is equal to 12.

Correct me if I am wrong.

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The volume of a gas in cubic centimeters v,varies inversely with the pressure of the gas in liters per square centimeters,p when

scoundrel [369]

Answer:

The volume of the gas is $145.45\ cm^{3}$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

Let

v------> the volume of a gas in cubic centimeters

p-----> the pressure of the gas in liters per square centimeters

$p*v=k$

we have

$v=16\ cm^{3}, p=20\ l/cm^{2}$

substitute and solve for k

$k=16*20=320$

The equation is $p*v=320$

Find the volume of the gas when the pressure is 2.2 L/cm2

For $p=2.2\ l/cm^{2}$ Find the value of v

substitute in the equation

$(2.2)*v=320$

$v=320/2.2=145.45\ cm^{3}$

8 0

3 years ago

What is 0.2 in the 2 keep going as a fraction

ollegr [7]

It is 2/10 for tour question

8 0

3 years ago

When multiplied together, which two polynomials equal ab3+2a2b2? Select the two correct answers.

fomenos

The answer is 2) ab2 that would be ur answer

5 0

3 years ago

Read 2 more answers

Please help, will give brainlist

ladessa [460]

Answer:

$x^{2}-2+\frac{20}{x+7}$

Step-by-step explanation:

x + 7) x³ + 7x²- 2x + 6 ( x²- 2

x³ + 7x²

-2x + 6

-2x - 14

+20

Therefore, we can write the expression in the remainder quotient form as,

$x^{2}-2+\frac{20}{x+7}$

5 0

3 years ago

the sum of the interior angle in a polygon is 40,500° what is the number of sides in the regular polygon

larisa86 [58]

Answer:

227 sides

Step-by-step explanation:

The sum of the interior angles of a convex polygon is S=180(n-2) where n is the number of sides. If S=40500, then we have our equation 40500=180(n-2) and we can solve for n:

40500 = 180(n-2)

225 = n-2

227 = n

Therefore, the number of sides in the regular polygon is 227.

4 0

2 years ago