2 years ago

Each small cube is 1 ft³. The length of the large cube is 15 ft. What is the volume of the large cube?

Mathematics

1 answer:

Dmitriy789 [7]2 years ago

3 0

The answer your question is A

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The ratio of dogs to cats in a park is 10 to 9. If there are 50 dogs then how many cats are there

serious [3.7K]

Knowing the ratio for dogs to cats is 10:9

To get to 50 dogs they multiplied 10x5

So multiply 9x5 as well to get the number of cats

Cats = 45

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3 years ago

HELP!!<br>Find the third term of (x^2+3y)^3

lana66690 [7]

Answer:

$T_{3}=27{x}^{2}y^2$

Step-by-step explanation:

The given binomial expression is:

$( {x}^{2} + 3y)^{3}$

When we compare to:

${(a +b)}^{n}$

We have

$a = {x}^{2}$

$b = 3y \\ n = 3$

The nth term is given by;

$T_{r+1}=^nC_ra^{n-r}b^r$

To find the 3rd term, we put:

$r + 1 = 3 \\ r = 2$

We substitute into the formula to get:

$T_{3}=^3C_2( {x}^{2} )^{3-2}(3y)^2$

We simply:

$T_{3}=3( {x}^{2} )^{1} \times 9y^2$

$T_{3}=27{x}^{2}y^2$

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3 years ago

HELP ME WITH QUESTION 5 AND 6 PLEASEEE I DONT UNDERSTAND IT???

Ilya [14]

I would need to have the same book and go to page 73 to be able to answer it. By the way, do you have any friends that have the answer?

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3 years ago

Tan^2 0+Tan^2 30+Tan^2 60+Sin^2 0

Ksenya-84 [330]

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Step-by-step explanation:

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Answer:

6. 3.14

7. 172.03

Step-by-step explanation:

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2 years ago