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laiz [17]
3 years ago
15

Which of the following are quantitative variables? · (A) The brands of ice cream that a customer purchases · (B) The daily high

temperature for the last four weeks · (C) The amount of sugar consumed by Americans in one year · (D) The lengths of time children wait for the school bus · (E) Your favorite football team
Mathematics
1 answer:
Digiron [165]3 years ago
3 0
I think it’s A and C
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(x+3)(3x² - 5x - 10) multiply polynomial
brilliants [131]

Answer:

  • \boxed{\sf{3x^3+4x^2-25x-30}}

Step-by-step explanation:

\underline{\text{SOLUTION:}}

To isolate the term of x from one side of the equation, you must multiply by a polynomial.

\underline{\text{GIVEN:}}

:\Longrightarrow: \sf{(x+3)(3x^2 - 5x - 10)}

<u>You have to solve with parentheses first.</u>

:\Longrightarrow \sf{x\cdot \:3x^2+x\left(-5x\right)+x\left(-10\right)+3\cdot \:3x^2+3\left(-5x\right)+3\left(-10\right)}

<u>Solve.</u>

\sf{x*3x=3x^3}

x(-5x)=-5x²

\sf{x(-10)=-10x}

3*3x²=9x²

3(-5x)=-15x

3(-10)=-30

<u>Then, rewrite the problem down.</u>

\sf{3x^3-5x^2-10x+9x^2-15x-30}

<u>Combine like terms.</u>

\Longrightarrow: \sf{3x^3-5x^2+9x^2-10x-15x-30}

<u>Add/subtract the numbers from left to right.</u>

-5x²+9x²=4x²

\Longrightarrow: \sf{3x^3+4x^2-10x-15x-30}

<u>Solve.</u>

\sf{-10x-15x=-25x}

<u>Then rewrite the problem.</u>

\Longrightarrow: \boxed{\sf{3x^3+4x^2-25x-30}}

  • <u>Therefore, the correct answer is 3x³+4x²-25x-30.</u>

I hope this helps! Let me know if you have any questions.

6 0
2 years ago
Read 2 more answers
Suppose a city with population 900,000 has been growing at a rate of ​8% per year. If this rate​ continues, find the population
shepuryov [24]

Answer:

4892886.37133

Step-by-step explanation:

4 0
2 years ago
What is 0.362 in decimal expanded form
FromTheMoon [43]
0x1+3xone tenth+6xone hundredth+2xone thousandth
8 0
3 years ago
Caroline is trying to earn money to pay for her field trip by doing odd jobs around the house. She needs to raise more than $35
Alenkasestr [34]

The inequality that represents how much money Caroline needs to earn will be m>35.

In this case, Caroline needs an amount that's greater than $35, therefore, the amount must be greater than $35

From the options given, the correct inequality will be m>35. This means m is greater than $35.

Read related link on:

brainly.com/question/24751617

8 0
2 years ago
Can someone explain Scientific Notations? I don't understand them...
wlad13 [49]

Answer:

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form.The primary reason for converting numbers into scientific notation is to make calculations with unusually large or small numbers less cumbersome.

Step-by-step explanation:

7 0
2 years ago
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