3 years ago

I don't really understand how to put anything into standard form. If anyone could help that would be great...thanks.

1 answer:

5 0

I believe you would first distribute within the parentheses and then make it so A and B are the only things on the left side and I and the other random characters are on the right.

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If y varies directly as x and y=12 when x=c what is y in terms of c when x=8

tatiyna

"y varies directly as x" means y = kx

you do not know what k is yet, other than that it is some constant number.

Now plug in the given values, y=12 when x=4, in the equation

12 = 4k

=> k = 3

Now rewrite the equation with the k value you just found

y = 3k

Substitute 18 in place of x

y = 3(18)

y = 54

8 0

3 years ago

Please help!! <br><br> Take a factor out of the square root:

Doss [256]

Answer:

2a times the sq root of 2a or 2a (2a)**1/2

Step-by-step explanation:

(8a**3)**1/2 =

((2**2 * 2) (a**2) (a))**1/2 then take out and squares

2a (2a)**1/2

or 2a times the sq root of 2a

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2 years ago

A tabletop is in the shape of a trapezoid. The lengths of the trapezoid's parallel sides are 48 inches and 40 inches. The height

goldenfox [79]

The equation is
$area = \frac{1}{2} (a + b)h$
If you put in the numbers you get
$area = \frac{1}{2} (48 + 40) \times 24$
This comes to 1056. So the answer is 1056 in^2

4 0

3 years ago

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If it starts out at -10 degrees, what will the temperature be if it rises 30 degrees?

Bond [772]

add 30 to -10:

-10 + 30 = 20

Answer is B.

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3 years ago

Find the value of each variable that ensures that each equilateral is a parallelogram

puteri [66]