Twice a number is 10. What is the number? equation: n =

1 answer:

8 0

2n = 10
n = 5 (Divide both sides by 2)

Sorry if there wasn't enough working but it's a fairly simple equation, comment if you'd like more info on the formation of it.

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PLEASE HELP ASAP!: Solve for a and b 6a-b=-5 4a-3b = -8

klemol [59]

Answer:

a = -1/2

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Step-by-step explanation:

Step 1: Rewrite 1st equation

-b = -5 - 6a

b = 5 + 6a

Step 2: Substitution

4a - 3(5 + 6a) = -8

Step 3: Solve

4a - 15 - 18a = -8

-14a - 15 = -8

-14a = 7

a = -1/2

Step 4: Plug in a to find b

6(-1/2) - b = -5

-3 - b = -5

-b = -2

b = 2

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Emanuel surveyed a random sample of 505050 subscribers to Auto Wheel magazine about the number of cars that they own. Of the sub

Paha777 [63]

Answer:

The most reasonable estimate for the number of Auto Wheel magazine subscribers who own fewer than 2 vehicles is 102.

Step-by-step explanation:

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Emanuel surveyed a random sample of 50 subscribers to Auto Wheel magazine about the number of cars that they own. Of the subscribers surveyed, 15 own fewer than 2 vehicles.

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