3 years ago

Plz help fast.Aka please don't waste my points.Show your Work

1 answer:

6 0

She ate 3 cookies, then gave away half. Because parentheses means that process happens first, and c represents the number of cookies, the equation would be as follows:

(c-3)÷2, or A

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A carpenter has a rectangular wooden board. The diagonal of the board is 18 inches long and one side of the board is 12 inches l

BaLLatris [955]

In this question, it is given that the diagonal of the board is 18 inches long and one side of the board is 12 inches long.

Let the other side is of length b inches .

Now we use pythagorean identity, which is

$a^2 + b ^2 = c^2$

Here, a = 12 and c=18

Substituting these values, we will get

$12^2 + b^2 = 18^2 \\ 144 + b ^2 = 324 \\ b^2 = 324-144 \\ b^2 = 180 \\ b= \sqrt{180} \\ b = 13.4164 inches$

And the formula of perimeter is

$Perimeter = 2(Sum\ of \ legs)$

Substituting the values of the two legs, we will get

$Perimeter = 2(12+13.4164) = 50.83 inches$

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3 years ago

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If 8 is subtracted from 7 times a number the result is 34

djverab [1.8K]

7x - 8 = 34

Solving:

7x = 34 + 8
7x = 42
x = 6

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3 years ago

H(x) = -4x – 4; Find h(3x) please help, I’m confused if it’s -4•3•3 or not

inna [77]

Answer:

Im really sprry i do not know tgis but good luck!!

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2 years ago

3 packs of soda cost $10 less than 5 packs of soda. Write and equation that models this, and solve.

zysi [14]

Cost 1 pack = x
3x + 10 = 5x
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3 years ago

The solutions to (x + 3)^2- 4=0 are x = -1 and x = -5 True or false

Neko [114]

Answer:

THE ANSWER WOULD BE TRUE MY FRIEND

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