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CaHeK987 [17]
3 years ago
6

PLEASE HELP!!!! 13 points!!

Mathematics
1 answer:
IRINA_888 [86]3 years ago
7 0
The answer is A 18 inches
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Simplify the polynomial and evaluate for the following values. x^2 yxy-xy^2xy if x=-3 and y=2 the simplified polynomial is = , T
Alinara [238K]

Answer:

The simplified polynomial is x^3 y^2 -x^2 y^3 +xy

The value is -186

Step-by-step explanation:

4 0
2 years ago
Use synthetic division to find the result when 3x^3 + 13x^2 + x – 12 is divided by<br> X + 4.
IgorC [24]

Answer:

3x² + x - 3

Step-by-step explanation:

The way I like to do it is to get rid of the x's and just use the numbers in the case of synthetic division

Pretend the square root of the division symbol

-4 √ 3 12 1 -12

Quick note: We're dividing by -4 because we're dividing by x + 4

First bring down the 3

-4 √ 3 13 1 -12

      3

Multiply it by 4 then bring add it to the next number

-4 √ 3 13 1 -12

          -12

       3   1

Add that number to the next one

-4 √ 3 13 1 -12

        -12 -4

      3    1   -3

Finally repeat the step for the last number

-4 √ 3 13 1 -12

       3 -12 -4 +12

       3    1   -3   0

Now take those bottom numbers and add back the x's but with one less power, so the starting x³ would now become x², x² would become x, and so on

3x² + 1x - 3

8 0
2 years ago
PLZ HELP ASAP!!!!!!!,
lilavasa [31]
The answer to your question is 10 seconds. I know this because:

distance divided by speed=time
let t=time
t=2*6(30/36)=10
t=10
So, it took Boris a total of 10 seconds to run up the out of service elevator.

Hope this helps!
8 0
3 years ago
Read 2 more answers
True or False: The slope of the line that passes through (9, 9) and (6, 4) is 3/5.
emmainna [20.7K]

Answer:

False.

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (9, 9)

Point (6, 4)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                     m=\frac{4-9}{6-9}
  2. Subtract:                        m=\frac{-5}{-3}
  3. Simplify:                         m=\frac{5}{3}
6 0
3 years ago
Will award brainliest, What is the area, in square units, of the polygon shown?
slavikrds [6]
7 x 2 = 14
3 x 1 = 3

14+3 = 17

answer 17 unit^2

7 0
3 years ago
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