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4 years ago

Please help with this

Mathematics

1 answer:

sergiy2304 [10]4 years ago

5 0

a. r + (-s) = r - s

b. r - (-s) = r + s

c. -r + (-s) = -r - s

d. -r - (-s) = -r + s

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Julie checked the prices of her five favorite CDs at Music Madness. What is the mode for these prices? $14, $12, $15, $12, $17

Shtirlitz [24]

$ 12

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Describe the dimensions of two different prisms that each have a volume of 2400 cubic centimeters using work

kirza4 [7]

Answer:

Step-by-step explanation:

Alright, lets get started.

We have given the volume of a prism that is 2400 cubic centimeters.

we have not given which type of prism it is, so we are taking it as a rectangular prism.

The formula of volume of rectangular prism is :

$Volume = l*w*h$

Where l is length of base

w is width of base

h is height of prism

So, $2400=l*w*h$

So, if we factor 2400 in two different manners, we could have two different dimensions of this prism having same volume that is 2400.

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Our second factor would be :

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4 years ago

Which of the following number sentences is an example of the Distributive Property?

leonid [27]

Answer:

d. 7 × (10 + 9) = (7 × 10) + (7 × 9)

Step-by-step explanation:

The format of writing numbers in distributive property is a(b+c) = (a×b)+(a×c)

We can see that in choice d. 7 × (10 + 9) = (7 × 10) + (7 × 9) it is in correct format of writing numbers in distributive property. Thus, choice d. is correct.

Verification:-

a(b+c) = (a×b)+(a×c)

7 × (10 + 9) = (7 × 10) + (7 × 9)

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