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loris [4]
3 years ago
12

PLZ ANSWER I CAN'T FAIL

Mathematics
1 answer:
Dafna11 [192]3 years ago
8 0

Answer:

I say 36 girls, i divided 3 by 5 and multiplied it by 60,  so subtract 36 by 60, so there should be 24 boys

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Find the product (8/6n-4)(9n^2-4)
Leokris [45]

Answer:

4(3n+2) or 12n+8

Step-by-step explanation:

Given expression is:

(\frac{8}{6n-4})(9n^{2}-4)

The numerator of the fraction will be multiplied with 9n^2- 4

So, Multiplication will give us:

=\frac{8(9n^2-4)}{6n-4}

We can simplify the expression before multiplication.

The numerator will be broken down using the formula:

a^2 - b^2 = (a+b)(a-b)\\So,\\= \frac{8[(3n)^2 - (2)^2]}{6n-4}\\ = \frac{8(3n-2)(3n+2)}{6n-4}

We can take 2 as common factor from denominator

=\frac{8(3n-2)(3n+2)}{2(3n-2)}\\After\ cutting\\= 4(3n+2)

Hence the product is 4(3n+2) or 12n+8 ..

6 0
2 years ago
for each of the following find, if possible, a whole number that makes the equation true. a. 3+ z=12 b. 36 = 18 + 3 •Z
Basile [38]

Answer:

a. 9

b. 6

Step-by-step explanation:

a. z=12 - 3= 9

b. (36 - 18)/3= Z

6 0
2 years ago
Is the dilation of -3/4 a contraction or an expansion?
lyudmila [28]
I don't under stand
5 0
3 years ago
Find -48a divided by 8 when a=1 write your answer in simplest form
lukranit [14]

-48a÷ 8 can be written as,

\frac{-48a}{8}

Put a=1 in the above exprression and solve.

\frac{-48\times1}{8}=-6

Therefore, the solution is -6.

8 0
11 months ago
Determine the value of x in the diagram <br> 112°<br> xº<br> 68°<br> 112°<br> What IS x ?
Zina [86]

Step-by-step explanation:

112+68+112+x = 360⁰

292⁰+x = 360⁰

x = 360⁰- 292⁰

x= 68⁰

7 0
2 years ago
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