2 years ago

My brothers and sisters i need help asap please

Mathematics

1 answer:

Otrada [13]2 years ago

4 0

Answer:

Step-by-step explanation:

I think it is D but I am not sure

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Maria's math test had 25 questions she got 84% correct how many did she get wrong

inysia [295]

$\frac{x}{25}=84% \\ \frac{x}{25}=.84 \\ 25( \frac{x}{25})=(.84)(25) \\ x=21$
Maria got 21 correct.

Number wrong = Total - Number right
y = 25 - 21
y = 4

Maria got 4 wrong.

Hope this helps!

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2 years ago

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25 points if you do it and favorite. On Saturday it rained 2 1/4 inches in 18 hours. Assume the rain fell at the same rate throu

slava [35]

Answer:

0.125 inches per hour

Step-by-step explanation:

2.25/18 = 0.125

0.125in per hour

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2 years ago

Select the letter of the correct answer.

sveta [45]

Would it be B which is 51%
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3 years ago

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Describe the process of rewriting the expression Please Help

Mazyrski [523]

Answer:

$x^{\frac{21}{4} }$

Step-by-step explanation:

Given expression is:

$(\sqrt[8]{x^7} )^{6}$

First we will use the rule:

$\sqrt[n]{x} = x^{\frac{1}{n} }$

So for the given expression:

$\sqrt[8]{x^{7}}=(x^{7} )^{\frac{1}{8} }$

We will use tha property of multiplication on powers:

$=x^{7*\frac{1}{8} }$

$= x^{\frac{7}{8} }$

Applying the outer exponent now

$(x^{\frac{7}{8} })^6$

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2 years ago

Find (1)14x⁴/y ÷ 7x/3y⁴ (2)x²-16/ x+4 ÷ x-4/x+4 (3)

Shalnov [3]

Answer:

I am not sure I am so so so sorry My friend

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3 years ago