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BaLLatris [955]

3 years ago

13

Derman says, "I'm halfway through reading my book.if I read another 84 pages, I'll be two thirds of the way through my book." ho

w many pages are in derman's book?

1 answer:

Licemer1 [7]3 years ago

6 0

I would say 504 basing it off of converting 2/3 into 4/6 and used sets of 84 to each be 1/6

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noname [10]

Answer:

Its the bottom left one :)

Step-by-step explanation:

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3 years ago

Mindy makes an annual salary of $24,590. What is the maximum monthly rent she could afford to pay?

Otrada [13]

24590/12=2029.166....
Your answer would be $2049.17

6 0

3 years ago

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For what value of x is 1/2 x = -9<br><br> x = 18<br> x= -4<br> x=-18<br> x= -36

Luda [366]

Answer:

x = -18

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other.

Multiply 2 to both sides:

(x/2) * 2 = (-9) * 2

x = -9 * 2

x = -18

x = -18 is your answer.

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4 0

3 years ago

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the area of a square whose sides have length x cm is increasing at the rate of 12cm²/s. how fast is the length of a side increas

katovenus [111]

Answer:

0.67 cm/s

Step-by-step explanation:

The area of a square is given by :

$A=x^2$ ....(1)

Where

x is the side of a square

$\dfrac{dA}{dt}=12\ cm^2/s$

Differentiating equation (1) wrt t.

$\dfrac{dA}{dt}=2x\times \dfrac{dx}{dt}$

When A = 81cm², the side of the square, x = 9 cm

Put all the values,

$12=2\times 9\times \dfrac{dx}{dt}\\\\\dfrac{dx}{dt}=\dfrac{2}{3}\\\\\dfrac{dx}{dt}=0.67\ cm/s$

So, the length of the side of a square is changing at the rate of 0.67 cm/s.

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3 years ago

(y-2)^2=-16(x-3) what is it

Dmitrij [34]

(y-2)² = -16(x-3)

y²-4y+4 = -16x+48

y²-4y = -16x + 44

Hope it helped!

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3 years ago