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3 years ago

How are rates and ratios similar?

2 answers:

6 0

A rate is a ratio between two quantities of different units, likes miles and hours, or dollars and gallons.

Alona [7]3 years ago

3 0

Um correction A rate is a little bit different than the ratio, it is a special ratio. It is a comparison of measurements that have different units

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Simplify. −3x3(−2x2+4x−3)

stepladder [879]

Answer:

$-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

Step-by-step explanation:

Given expression $-3x^3(-2x^2+4x-3)$

We have to simplify the above expression,

Consider the given expression $-3x^3(-2x^2+4x-3)$

Multiply each term in brackets by $-3x^3$ , we get,

$-3x^3(-2x^2+4x-3)=-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)$

Solving further, using $x^n\cdot x^m=x^{n+m}$ we get,

$-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)=6x^5-12x^4+9x^3$

Thus, $-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

4 0

3 years ago

Read 2 more answers

Write a division problem whose quotient has its first digit in the hundreds place

Margaret [11]

Quotient is another name for the answer to a division problem

the hundreds place is the 3rd number before the decimal, 9999999.0
^this one

so you need to find a division problem that equals something between 100 and 999

1000 divided by 10 is a good one, the answer to that problem is 100, and 100 has its first digit in the hundreds place.

8 0

3 years ago

An inscribed angle that intercepts a semicircle measures is a(n) ———- angle

Ber [7]

Answer:

c) right

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

How do you find the width of a rectangle when the perimeter is given?

ololo11 [35]

Usually you are given more information about the rectangle such as distance of length in terms of width.

You know that the formula for perimeter is

P=2(l+w)

Substitute p and the other values to find width.

Hope I helped :)

4 0

3 years ago

5 Eric is building a fence around the perimeter of a garden in his backyard. The yard is shaped like a rectangle with a width of

Elena L [17]

L=25
If the length is 25 yards then you use 50 yards of fencing for the length, this leaves ten yards for each width of fencing each.
10 yards is 15 yards less than 25 yards showing that this is the correct answer.

5 0

2 years ago