Please help asap please

Mathematics

1 answer:

Amiraneli [1.4K]4 years ago

4 0

Answer:

Step-by-step explanation:

volume is in ft cubed

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Hi can you help me please?)

AlladinOne [14]

<em>*To solve for a specified variable, you need to isolate that variable onto one side.</em>

Firstly, subtract 5r on both sides: $2p=q-5r$

Lastly, divide both sides by 2 and <u>your answer will be $p=\frac{1}{2}q-\frac{5}{2}r$ </u>

First, subtract z on both sides of the equation: $-10-z=xy$

Next, divide both sides by y and <u>your answer will be $\frac{-10-z}{y}=x$ </u>

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3 years ago

Alpha printing will make 400 brochures for $100. Omega printing will make 1,000 brochures for $100. How much money will you save

Dmitriy789 [7]

it is given in the question that

Alpha printing will make 400 brochures for $100. Omega printing will make 1,000 brochures for $100.

For Alpha, cost of 1 brochure is

$= \frac{100}{400} = $0.25$

For Omega,

Cost of 1 brochure is

$= \frac{100}{1000} = 0.10$

So choosing Omega printing, you will save

$= 0.25-0.10 = $0.15$

on each brochure .

6 0

3 years ago

What is 1/3 of 21,<br> 2/5 of 40<br> 4/7 of 280

Lubov Fominskaja [6]

$\frac{1}{3} \times 21=\frac{21}{3}=\frac{7 \times 3}{3}=7 \\ \\
\frac{2}{5} \times 40=\frac{2 \times 40}{5}=\frac{2 \times 8 \times 5}{5}=2 \times 8=16 \\ \\
\frac{4}{7} \times 280=\frac{4 \times 280}{7}=\frac{4 \times 40 \times 7}{7}=4 \times 40=160$