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3 years ago

One out of eight students wore white. What percent of the students wore white?

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

3 0

Answer:

Step-by-step explanation:

100/8 = 12.5

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Which of the following are NOT trigonometric identities? Check all that apply.

storchak [24]

Answer:

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3 years ago

Read 2 more answers

A costume designer needs to make 12 costumes for the school play. Each costume requires 2 2/3 yards of fabric. How many yards of

Alexus [3.1K]

Answer:

Length of fabric the designer needs to make 12 costumes = 32 yards

Step-by-step explanation:

Length of fabric required for each costume = $2\frac{2}{3}\ yards$

Total number of costumes to be made =12

Total length of fabric required for all the costumes = $12\times 2\frac{2}{3}$

We can multiply mixed numbers by converting it to fractions.

$12\times 2\frac{2}{3}$

⇒ $12\times \frac{8}{3}$

⇒32 yards

Length of fabric the designer needs to make 12 costumes = 32 yards

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4 years ago

Find the greatest common factor of 15x^2 y^3 and -18x^3 yz

AysviL [449]

It should be 3x^2y
I'm using 3 from numbers because 3 is a GCF of 18 and 15
Then I'm getting X^2 because it's the GCF of X^2 and X^3
Then I'm taking y because it's the GCF of y^3 and y
And finally we got no z on the left side so we get 3x^2y

5 0

3 years ago

Xavier spent $84 on art supplies. The canvas for each of his paintings is an additional $1. He plans to sell his paintings for $

tankabanditka [31]

Answer:

84 + x*1 = 8x

Step-by-step explanation:

Xavier needs to sell 12 painting to break even.

5 0

4 years ago

Please help, i'm horrible @ math :)

katovenus [111]

$\displaystyle\\
1 \frac{2}{5} +\Big(-5 \frac{1}{2} \Big) = ? \\ \\ 
1 \frac{2}{5} = \frac{1\times 5+2}{5}=\boxed{\frac{7}{5}} \\ \\ 
-5 \frac{1}{2} =-5 -\frac{1}{2} = \frac{-5\times2-1}{2} =\frac{-10-1}{2}=\frac{-11}{2}= \boxed{-\frac{11}{2} }\\ \\ \texttt{OR} \\ \\ 
-5 \frac{1}{2} = -\Big(5 \frac{1}{2} \Big)= -\Big( \frac{5\times2+1}{2} \Big)=-\Big( \frac{11}{2} \Big)= \boxed{-\frac{11}{2} }$

$\displaystyle\\
\Longrightarrow ~~1 \frac{2}{5} +\Big(-5 \frac{1}{2} \Big) =\frac{7}{5} -\frac{11}{2} = \frac{7\times 2}{5\times 2} -\frac{11\times 5}{2\times 5} = \\ \\ 
= \frac{14}{10} -\frac{55}{10} = \frac{14-55}{10} =\frac{-41}{10} = -\frac{41}{10}=-\frac{40+1}{10}=\boxed{\boxed{-4\frac{1}{10}}}$

7 0

3 years ago