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Black_prince [1.1K]
3 years ago
10

Combine like terms to simplify the expression:     

Mathematics
1 answer:
poizon [28]3 years ago
3 0
7x + 3y -2 + 6x -1 - y^2 = -y^2 + 3 y+13 x - 3 \\ \\Answer : \ B. \ \ -y^2 + 3y + 13x-3


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16 increased by twice a number is -24 what is the solution?
Lynna [10]

Let x = the number.

"increased by" tells you we are adding.

"twice a number" tells you 2 times a number.

16 + 2x = - 24

Subtract 16 from both sides so that we have the variable on one sides and the constants on the other.

2x = - 24 - 16

2x = - 40

Divide by 2 to isolate the variable.

x = - 40/2 = - 20

Your solution is - 20.

To check your answer, plug in.

16 + 2(-20) = - 24

16 - 40 = - 24

- 24 = - 24

3 0
3 years ago
Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?
lara31 [8.8K]
Group first 2 and group last 2 and find factors and undistribute

(4x^3+x^2)+(-8x-2)
(x^2)(4x+1)+(-2)(4x+1)
x^2(4x+1)-2(4x+1)
answer is first one

6 0
3 years ago
Read 2 more answers
HELPPPPPPPPP<br> PPPPPPPPPP
Korolek [52]

Answer:

504 in

Step-by-step explanation:

8 × 12 × 6 = 576

Then find the volume of the part that is taken out.  

2 × 6 × 6 = 72

and now subtract them

576 - 72 = 504

so your answer is 504in

7 0
3 years ago
1/3 cube root 27 &lt;=w
Rainbow [258]

3³ = 27

∛27 = 3

1/3 of 3 = 1

x\geq1

5 0
3 years ago
Read 2 more answers
Which point is a solution to the linear equality y&lt;-1/2x+2
Effectus [21]

Answer:

There are many points that are solutions to the equation, but one of which would be (1, 2)

Step-by-step explanation:

In order to tell if they are a solution, we use the values in the inequality and see if it results in a true statement.

y < -1/2x + 2

1 < -1/2(1) + 2

1 < -1/2 + 2

1 < 3/2 (This is a true statement)

Since it is a true statement, we know it is a solution.

5 0
3 years ago
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