56% of the students who took the test were girls.

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

3 0

100 minus 56 is 44 so you have 44%

44% of the students are boys

56% are girls

we have 126 girls

and X boys

X = 117

so 126 + 117 gives you your answer! ;)

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Answer:

$\boldmath-5-2i\sqrt{\boldmath11}$

Step-by-step explanation:

The not simplified form is $-5-\sqrt{-44}$

you know that $\sqrt{a\times b} = \sqrt{a} \times\sqrt{b}$ is true a and b are both positive or one of it is negative (not both of them).

You can write -44 as -1 × 4 × 11 inside square root.

So, $\sqrt{-44} = \sqrt{-1\times4\times11}=\sqrt{-1}\times\sqrt{4}\times\sqrt{11}=i\times2\times\sqrt{11}$ ( $\sqrt{4}=2$ )

$\therefore -5-\sqrt{-44} = -5-2i\sqrt{11}$

(NOTE : You must know that $\boldmath\sqrt{\boldmath-1}$ is written as $\boldsymbol i$ )

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2 years ago

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If we are to consider the number of slices of bread first,

number of sandwiches = (28 slices of bread)(1 sandwich/ 2 slices of bread)
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Since, 14 is smaller than 15 then, 14 is the answer.

<em>Answer: 14 sandwiches</em>

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