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2 years ago

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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2x+2y=10 solve for x

irakobra [83]

Isolate the x. Note the equal sign. What you do to one side you do to the other.

Subtract 2y from both sides

2x + 2y (-2y) = 10 (-2y)

2x = 10 - 2y

Isolate the x, divide 2 from both sides and from all terms.

(2x)/2 = (10 - 2y)/2

x = 5 - y

Place the variable in the front

x = -y + 5

x = -y + 5 is your answer

hope this helps

7 0

2 years ago

Please help me with my math homework

Hatshy [7]

Answer:

So basically the mean is the average number.

Step-by-step explanation:

add all of them then divide by 6 (aka how many fractions)

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2 years ago

Trey designs a new game for cell phones. The game has 10 levels.

Vilka [71]

10 * 38 = 380 seconds

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3 years ago

Find the fifth term in the geometric

OlgaM077 [116]

Answer:

Step-by-step explanation:

The nth term in the geometric sequence: $a_n=a_1\cdt r^{n-1}$

a₁ = 2 and r = 3

So:

$a_5=a_1\cdot r^4=2\cdot3^4 = 2\cdot81=162$

8 0

2 years ago

Camilla is 14 years old. She is<br> one-third of her teacher's age.<br> How old is her teacher?

Mamont248 [21]

Her teacher would be 42. you would take 14 * 3 and get the teachers age.

6 0

2 years ago

Read 2 more answers