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vivado [14]
3 years ago
6

Write using exponents. -3m * 4 * n * n (a) 1mn^2 (b) 12mn^2 (c) -12mn^2 (d) -7mn^2

Mathematics
2 answers:
Bingel [31]3 years ago
5 0
<span> -3m * 4 * n * n = (-3*4)*m*(n*n)= -12mn²

Answer is C . - 
</span>12mn²
alexdok [17]3 years ago
4 0
The answer obviously is c just multiply numbers and ”n” s
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Eight out of 21 instruments in the band are wood winds. if there are 63 instruments in the band, how many more are not wood wind
egoroff_w [7]
Im assuming it would be 60 or 60.375(Work below)

Because usually when it says "out of" it means divide so i divided 8 from 21 and got 2.625 so then i took the 63 and subtracted 2.625 from that and got  60.375 so its either 60 or 60.375 again im not sure if im wrong im very sorry.
3 0
4 years ago
If david must score 90 percent on his test in order to a if he scored a 89,90,98,86 what is the score on his fifth test
Readme [11.4K]
David's score on his fifth test would be an 87. If you add up all the scores from his first to his fourth test, it would 363. However, since there are five tests, in order to get a 90 percent, the sum of all five test scores would be 450. 450 - 363 = 87.
7 0
3 years ago
Evaluate the following function for (3, -1):<br> f(x, y) = 2x – 3y + xy^2
satela [25.4K]

Answer:

f(3, -1) = 12

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x, y) = 2x - 3y + xy²

(3, -1) is x =3 and y = -1

<u>Step 2: Evaluate</u>

  1. Substitute:                    f(3, -1) = 2(3) - 3(-1) + 3(-1)²
  2. Exponents:                   f(3, -1) = 2(3) - 3(-1) + 3(1)
  3. Multiply:                        f(3, -1) = 6 + 3 + 3
  4. Add:                              f(3, -1) = 9 + 3
  5. Add:                              f(3, -1) = 12
7 0
3 years ago
Read 2 more answers
Write the formula for calculating taxable income.
Harlamova29_29 [7]

Answer:

taxable income = adjusted income - (deductions + Allowances/Exemptions)

Step-by-step explanation:

Taxable income is the type of income on which a person has to pay tax to the government. Taxable Income is calculated by subtracting the deductions and exemptions from the adjustable income.

With deductions you can either have itemized deductions or standard deductions.

Standard deduction consist of deductions like if a couple is married then they will have the deductions and if there are dependents of a person then he will have a standard deduction.

Itemized deductions consist of mortgages values, medical expenses, charity works etc.

This will help us to find the value of our taxable income


8 0
3 years ago
And a high school teachers 256 touchdowns made last year if 64 games are played what is the meaning or the average number of tou
Anna71 [15]

Answer:

4 touchdowns per game.

Step-by-step explanation:

Given:

And a high school teachers 256 touchdowns made last year if 64 games are played.

Question asked:

What is the mean or the average number of touchdowns made per game ?

Solution:

Touchdowns made = 256

Number of games played = 64

We have to find mean or average:-

<u>As we know:</u>

Mean = \frac{Sum\ of\ observations}{number\ of\ observations}

          \frac{256}{64} =4

Therefore, a high school teachers  made 4 touchdowns per game.

         

5 0
3 years ago
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