3 years ago

Please help me with this

Mathematics

2 answers:

ololo11 [35]3 years ago

6 0

I think judging, extroversion, and thinking

o-na [289]3 years ago

5 0

Judging extroversion, thinking

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HACTEHA [7]

3^-2....
exponent rule : n^-a = 1/n^a

therefore, 3^-2 = 1/3^2 = 1/9

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3 years ago

The area of the rectangle is 110 m²

marissa [1.9K]

Answer:

55m^2

Step-by-step explanation:

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4 years ago

Ricardo ran 160 minutes last week at the park. If he runs 15% more this week, how many

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Answer:

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Step-by-step explanation:

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4 years ago

Betty saves 3 times as much as Ann. Charles save 390 less than Ann.. If Betty saves save 1330 more than Charles. how much does C

Igoryamba

Answer:

Step-by-step explanation:

We let x be Ann's savings.

Betty saves 3 times as much as Ann.

This implies that Betty's savings in terms of x

$= 3x$

Charles save 390 less than Ann.

This implies Charles savings

$= x - 390$

Betty saves 1330 more than Charles.

This implies that when we deduct Charles savings from Betty's we have to get 1330.

Mathematical equation for the problem:

$3x - (x - 390) = 1330$

Expand :

$\implies 3x - x + 390= 1330$

$\implies 2x + 390= 1330$

Subtract 390 from both sides.

$\implies 2x + 390 - 390= 1330 - 390$

$\implies 2x=940$

Divide through by 2

$\implies \frac{2x}{2} = \frac{940}{2}$

$\implies x=470$

Hence Charles saving is

$x - 390 = 470 - 390 = 80$

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4 years ago

You have a restaurant bill of $73.25. If you are taxed 7 1/2% and decide to tip your server 15%, how much is your total? a. $74.

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Answer: C.

Step-by-step explanation:

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3 years ago

Read 2 more answers