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Annette [7]
3 years ago
9

PLEASE I NEED HELP

Mathematics
1 answer:
Afina-wow [57]3 years ago
8 0

I cant open the file....

try sending it again

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Solve: log (7t + 2) = 2<br>t =​
IrinaK [193]

Answer:

t = 14

Step-by-step explanation:

log (7t + 2) = 2

Raise each side to the power of 10

10 ^log (7t + 2) =10^ 2

7t+2 = 100

Subtract 2 from each side

7t+2-2 = 100-2

7t = 98

Divide each side by 7

7t/7 = 98/7

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Two brothers are saving money to buy tickets to a concert. their combined saving is $55 one brother has $15 more than the other.
Vladimir [108]

Brother one: x

Brother two: x + 15

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Make them add up to 55 in an equation.

x + (x + 15) = 55

Combine like terms.

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Divide both sides by 2.

x = 20

Plug 20 for x into brother two.

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Brother one has saved $20, brother two has saved $35.

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Which of the following are adjacent angles?
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