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ANEK [815]
3 years ago
6

Evaluate. 2 • {390 – [5 • (10 – 4 ÷ 2)] + 15} • 2

Mathematics
1 answer:
Marina CMI [18]3 years ago
3 0
If u are looking for the mean it would be 439
answer is 770
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Will ran 120 minutes in the past two days. He ran 20 more minutes the second day than the first day. how many minutes did he run
valentinak56 [21]
Here is the equation: x+(x+20) = 120

Since you can't combine anything yet, its x+x+20=120

You need to get x by itself

Minus 20 from both sides

Its x+x=100 now

Combine the x's which is now 2x

Now divide 100 by 2 which is 50

x=50
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Lets check:

50+(50+20)=120

Now combine the numbers in the parentheses

Its now 50+70=120

50+70=120 and 70-50=20

As you can see, he ran 50 minutes the first day and 70 minutes the second day 
4 0
4 years ago
Ann is moving from Houston to McKinney and rented a truck from U-Move truck rentals. The cost of a one-day truck
Svetach [21]

Answer:

  $190

Step-by-step explanation:

Put 280 where m is, and do the arithmetic.

  C(280) = 0.5·280 +50 = 140 +50 = 190

The cost of Ann's rental is $190.

4 0
3 years ago
Jennifer is buying party supplies. She is planning on buying twice as many balloons as noisemakers. The number of napkins Jennif
pishuonlain [190]

Answer:

808 over 25 as a faraction

Step-by-step explanation

a quarter of 65 is 16 4 over 25

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4 0
3 years ago
Another one OMG lol sorry →← ∨ω∨
velikii [3]

Answer:

129

Step-by-step explanation:

144x0.90=129

5 0
3 years ago
Find the area of the triangle
kupik [55]
Area = 1/2 * base * height 
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 = 1/2 * 120
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6 0
3 years ago
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