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4 years ago

2 which of the following is a perfect cube a) 400 - D. 3375– C 8000 -

Mathematics

1 answer:

allochka39001 [22]4 years ago

8 0

Answer:

8000 is a perfect cube but 3375 can be also but i m a little sure that 8000 is a perfect cube

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What number is 12 1/2

Anettt [7]

You mean like in a decimal? It'd be 12.5 or 12.50.... Same thing.

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3 years ago

Help me with this math. Very important! Will give brainliest.

Arte-miy333 [17]

Answer: x= 13

Step-by-step explanation:

X+8= 2x-5

+5. +5

X+13= 2x

-× -×

13=x

Hope this helps

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3 years ago

Rewrite the following expression using the properties of rational exponents. Be sure your answer is in simplest form

Sidana [21]

Answer:

24√3

Step-by-step explanation:

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3 years ago

A chemical company makes two brands of antifreeze. The first brand is 65% pure antifreeze, and the second brand is 90% pure anti

Brums [2.3K]

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$\bf \stackrel{\textit{substituting in the 2nd equation}}{0.65\left( \boxed{40-y} \right)+0.9y=32}\implies 26-0.65y+0.9y=32 \\\\\\ 26+0.25y=32\implies 0.25y=6\implies y=\cfrac{6}{0.25}\implies \blacktriangleright y=24 \blacktriangleleft \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since we know that}}{x=40-y\implies }x=40-24\implies \blacktriangleright x=16 \blacktriangleleft$

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3 years ago

Read 2 more answers

A colony of bacteria starts with 50 organisms and quadruples each day. Write an exponential function, P(t), that represents the

erastova [34]

Answer:

50(4)^t

Step-by-step explanation:

8 0

3 years ago