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3 years ago

Simplify 5x−4y+2(y+x)

Mathematics

2 answers:

Papessa [141]3 years ago

7 0

Answer:

7x-2y

Step-by-step explanation:

First distribute 2 to numbers inside the parenthesis.

5x-4y+2y+2x

Combine like terms:

5x+2x=7x

-4y+2y=-2y

7x-2y

vagabundo [1.1K]3 years ago

4 0

Equals 7x-2y multiply the parentheses by 2

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Given the polynomial, 8x^2 + 3x - 5, identify the following:

vovikov84 [41]

Answer:

Part A) The polynomial has three terms

Part B) The terms are $8x^{2} , 3x\ and\ -5$

Part C) Is a 2nd degree polynomial

Part D) The name of the polynomial is a 2nd degree trinomial

Step-by-step explanation:

we know that

Polynomials can be classified two different ways - by the number of terms and by their degree.

we have

$8x^{2} +3x-5$

The polynomial has three terms

The terms are

$8x^{2} , 3x\ and\ -5$

therefore

The polynomial is a trinomial

The degree of the polynomial is found by looking at the term with the highest exponent on its variable(s).

The term is $8x^{2}$

The highest exponent is the 2 so this is a 2nd degree polynomial

therefore

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The ordered pairs (1,3) (2,6) (3,9) (4,12) and (5,15) represent a function. What is a rule that represents this function?

algol [13]

AMSWER

C y=3x

EXPLANATION

The given ordered pairs are

(1,3) (2,6) (3,9) (4,12) and (5,15)

There is a constant difference in the y-values.

d=15-12=3

Let the rule that represent the function be

y=dx +c

When we substitute

d=3, we get;

$y = 3x + c$

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$c = 3 - 3 = 0$

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3 years ago

Joshua currently earns $5000 a year from his lawn care business. He has two plans to increase his revenue. Plan 1 would increase

Varvara68 [4.7K]

Plan 1 A=5,000×(1+0.20)^(7)=17,915.9
Plan 2 A=(1,500×7)+5,000=15,500
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3 years ago