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3 years ago

Please help!!! Quuuiiiicccckkkk

Mathematics

1 answer:

Mrac [35]3 years ago

6 0

Answer:

Please choose letter C

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A group of preschoolers has 8 boys and 24 girls. What is the ratio of girls to boys?

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1 boy to every 3 girls

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Which expression is equivalent to square root 55x^7 y^6/11x^11 y^8? Assume x > 0 and y > 0.

morpeh [17]

The first step for solving this expression is to reduce the fraction with 11.
$\sqrt{ \frac{5 x^{7} y^{6} }{ x^{11} y^{8} } }$
Now reduce the fraction with $x^{7}$ .
$\sqrt{ \frac{5 y^{6} }{ x^{4} y^{8} } }$
Reduce the fraction one more time with $y^{6}$ .
$\sqrt{ \frac{5}{ x^{4} y^{2} } }$
To take the root of a fraction,, we must take the root of the numerator and denominator separately. This rule will change the expression to the following:
$\frac{ \sqrt{5} }{ x^{2} y}$
Since we cannot simplify this fraction any further,, the final answer is going to be $\frac{ \sqrt{5} }{ x^{2} y}$ .
Let me know if you have any further questions.
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3 years ago

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In the equation, 7 (3a+12)=168 , what are some of the steps that should be taken to solve for x? Select all that apply.

Svetradugi [14.3K]

7(3a + 12) = 168 ← ( divide both sides by 7 )

3a + 12 = 24 ← ( subtract 12 from both sides )

3a = 12 ← ( divide both sides by 3 )

a = 4

distribute the parenthesis by 7

21a + 84 = 168 ← ( subtract 84 from both sides )

21a = 84 ← ( divide both sides by 21 )

a = 4

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3 years ago

The product of 2 and the second power of y in algebraic expression

inysia [295]

Algebraic expression of product of 2 and the second power of y
=> Algebraic expression is a combination of integers (numbers), variables (a, b, c, x, y, ….), exponent (2 5 3 …) that is a rational number and algebraic operations like subtraction (-), addition (+), multiplication (x) and division (/).
=> Product – result of multiplication
=> second power of y = y2
=> 2 x y2

Thus, the algebraic expression of product of 2 and the second power of y is equals to 2 x y2

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Matt plays a matching game. In order to advance to the next level, she must score at least 15 points. She scores 22 points for c

Eduardwww [97]

Sandra did not get enough points.

They needed 15, but got 22 and a -8 as well.
So 22-8 = 14

14<15

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