2 years ago

HELP ASAP IM BEING TIMED!

Mathematics

1 answer:

Ad libitum [116K]2 years ago

7 0

Answer: Its the 2nd and 4th

Step-by-step explanation:

i am sorry i know its not gonna help you now but its for others!

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What is the surface area of 2cm, 5cm, and 2cm

noname [10]

2*5 = 10
2*2 = 4

4(10) + 2(4) = 40 + 8 = 48

ans) 48cm

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3 years ago

1/2 dived by what equlels 4

kati45 [8]

Answer:

1/8

Step-by-step explanation:

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5/4 to 3/8 as a percent change

Digiron [165]

Well, what's the diffrence from 5/4 to 3/8?

$\bf \cfrac{5}{4}-\cfrac{3}{8}\qquad \stackrel{\textit{LCD is 8 clearly}}{\implies }\qquad \cfrac{10-3}{8}\implies \cfrac{7}{8}$

so, if we take 5/4 to be the 100%, what is 7/8 off of it in percentage anyway?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{5}{4}&100\\\\
\frac{7}{8}&x
\end{array}\implies \cfrac{\quad \frac{5}{4}\quad }{\frac{7}{8}}=\cfrac{100}{x}\implies \cfrac{5}{4}\cdot \cfrac{8}{7}=\cfrac{100}{x}
\\\\\\
\cfrac{40}{28}=\cfrac{100}{x}\implies x=\cfrac{28\cdot 100}{40}$

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3 years ago

A school with 340 students produces trash that fills 1,190 tall trash cans per week. If each student produces the same amount of

earnstyle [38]

3.5 trash cans a week

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2 years ago

When will the sum of two numbers be zero

mash [69]

The sum of two numbers will be zero when you have the same number and one is positive and one is negative. For example 1 + -1= 0

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