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2 years ago

To find the next number in the sequence: 6, 9, 12, 15, of the following? you would need to do which of the following.

Mathematics

1 answer:

ycow [4]2 years ago

8 0

C. add 3 to 15 because the sequence is +3 every time

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-7(x + 9) = 9(x - 5) - 14x Solve for x. SHOW WORK.

Olin [163]

Answer:

x=-9

Step-by-step explanation:

STEP 1: Since x is on the right side of the equation, switch the sides so it is on the left side of the equation.

$9(x-5)-14x=-7(x+9)$

STEP 2: Simplify 9(x−5)−14x.

$-5x-45=-7(x+9)$

STEP 3: Simplify −7(x+9).

$-5x-45=-7x-63$

STEP 4: Move all terms containing x to the left side of the equation.

$2x-45=-63$

STEP 5: Move all terms not containing x to the right side of the equation.

$2x=-18$

STEP 6: Divide each term by 2 and simplify.

$x=-9$

6 0

2 years ago

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Use the scale and map measurements to find the actual distance from New Wilmington to Sharon through Mercer. What is the actual

Fynjy0 [20]

Your answer is C!

Hope i helped!

~Cakes

8 0

2 years ago

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Three more than the product of five and a number

wariber [46]

5n+3
hope this helps:)

7 0

2 years ago

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Multiply out and simplify (x - 6)²

ValentinkaMS [17]

C is the correct answer

(x - 6) (x - 6) = x^2 - 6x - 6x + 36
= x ^2 -12x + 36

7 0

2 years ago

N is an integer s=1/2 n(n+1) prove that 8s + 1 is an odd square number

pychu [463]

$s=\frac{1}{2}n(n+1) \\ \\
8s+1=8 \times \frac{1}{2}n(n+1)+1=4n(n+1)+1=4n^2+4n+1=(2n+1)^2$

n is an integer, so 2n+1 is also an integer. 8s+1 is equal to the square of 2n+1, so it's a square number.

2n+1 is an odd integer for any value of n. The square of an odd integer is always an odd integer. Therefore 8s+1=(2n+1)² is odd.

8s+1 is an odd square number.

7 0

2 years ago