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givi [52]
2 years ago
10

There were 150 students wearing red shirts today. If there are a total of 300 students at school, about how many out of a class

of 30 could be wearing red shirts?
Mathematics
2 answers:
ExtremeBDS [4]2 years ago
5 0

Answer:

150 of 300, 150 is 50 % of 300 so 300/30 = 1 , so I think 15 of the students should be wearing red

Step-by-step explanation:

alisha [4.7K]2 years ago
3 0

Answer:

I think it's 15 students

Step-by-step explanation:

i think since 150 is half of 300 so in each class there should also be half of the people wearing red

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yan [13]
Hey there!

When we multiply fractions and whole numbers, we simply take that whole number and put it over them, and just multiply across. That gives us:

\frac{1}{2}x*8 = \frac{8}{2} = 4

Notice how it's four, because when we have a fraction, we divide. 8 divided by 2 equals four. Next:

\frac{1}{4} *4 = \frac{4}{4} = 1

4/4 is equal to 1 because 4 divided by 4 is one. 4 goes into 4 once. Next, we have:

\frac{1}{3}*6 = \frac{6}{3} = 2

That's because 6/3 = 2.

Hope this helps!

7 0
3 years ago
Read 2 more answers
4 3/10 - ( 2 2/5x+ 5 1/2) = 1/2(-3 3/5x + 1 1/5)
koban [17]

Answer:

x = -223/11 = -20.273

Step-by-step explanation:

Step  1  : Simplify:  11/5

Step 2: Simplify 33/5

Step  3  :

Adding fractions which have a common denominator

Step  4: Simplify: 1/2

Step  5  :  see below

Step  6  :  see below

Pulling out like terms/factors

Step  7 : Simplify: 51/2

Step 8:  Simplify: 22/5

Step 10: Simplify: 43/10

Step  9  :

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Hope this helps.

7 0
3 years ago
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Cloud [144]

Answer:

\huge\boxed{A=x^2+12x+35}

Step-by-step explanation:

The formula of an area of a rectangle:

A=lw

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<em>w</em><em> - width</em>

We have

l=x+7\\\\w=x+5

Substitute:

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Use FOIL <em>(a + b)(c + d) = ac + ad + bc + bd</em>

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combine like terms

A=x^2+(5x+7x)+35\\\\A=x^2+12x+35

7 0
3 years ago
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MaRussiya [10]

Answer:

An angle can be named in different ways:

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3 0
3 years ago
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Phoenix [80]

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6 0
3 years ago
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