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3 years ago

Simplify 2(x + 4) + 3(x - 4

1 answer:

3 0

Answer:=5x−4 =(2)(x)+(2)(4)+(3)(x)+(3)(−4)=2x+8+3x+−12Combine Like Terms:=2x+8+3x+−12=(2x+3x)+(8+−12)=5x+−4

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The sum of the squares of three consecutive integers is 50. Find the integers. (Hint: If one integer is x, the next consecutive

Agata [3.3K]

Answer:

There's two answers.

-5, -4, and -3

3, 4, 5

Step-by-step explanation:

$x^{2} +(x+1)^{2} +(x+2)^{2} =50\\x^{2} +x^{2} +2x+1+x^{2} +4x+4=50\\3x^{2} +6x+5=50\\3x^{2} +6x-45=0\\3(x^{2} +2x-15)=0\\(x+5)(x-3)=0\\x = -5\\x = 3\\$

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3 years ago

5 + 5(x + 4) < 20 Solve the inequality Help plz

aleksley [76]

Answer:

You would solve this as if the inequality sign was an equal sign.

Just make sure when you divide by a negative or multiply by a negative the sign switches, anyways:

5 + 5(x +4) < 20

Distribute the 5 and simplify

5 + 5x + 20 < 20

25 + 5x < 20

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Divide by 5

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3 years ago

Pleaseeeeeeee help me out

Elza [17]

Answer: b: s=n x 23

Step-by-step explanation:

When looking at the coordinates on the graph, each point increases by 23. 23 is multiplied by the number day it is (n)

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