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Nastasia [14]
3 years ago
9

Evaluate each expression, using the given values of the variables

Mathematics
2 answers:
Yanka [14]3 years ago
5 0
-100
15
-4
79.5
15
24.9
174
65.9
50.9
Liula [17]3 years ago
3 0
-100
15
-4
79.5
15
24.9
174
65.9
50.9
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I need help with area of a rectangle! Plese help me out this is a starr review!
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Answer:

B

Step-by-step explanation:

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2 years ago
Nicole is driving on a highway. She uses one gallon of gas every 20 miles she drives. The distance, D (in miles), she travels on
Arada [10]

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60

Step-by-step explanation:

1 gallon is equal to 30 miles, which would mean if she uses 30 gallons of gas it would be equal to 60 since 3 x 20 equals 60

8 0
2 years ago
Which is true 0.45&gt;0.5<br>0.45&lt;0.5<br><br>4.05=0.45<br><br>4.05 &lt;0.45
amid [387]

Answer:

4.05 is greater than 0.45

5 0
3 years ago
Pedro bought a skateboard last week. The list price of the skateboard was $64.90. He has a 20% coupon. He has to pay 8.5%
Lapatulllka [165]
Take the original price and times it by .8 (you could times it by .2 and then subtract from the original price but multiplying it by .8 is much easier) 64.9x.8= 51.92 take your discounted price and multiply it by 1.085 to account for the sales tax (you multiply by 1.085 to account for the price of the item and the tax you could times it by .085 and then add it on to the price of the item but this way it shortens the amount of steps needed) 51.92x1.085= 56.3332
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3 0
2 years ago
A swimming pool can be filled in 18 hours if water enters through a pipe​ alone, or in 25 hours if water enters through a hose a
pychu [463]
I am not sure, but this is what I got:
 <span>Pipe ALONE = 18 hours 

Pipe ALONE in 1 hour = 1/18 of the pool 

Hose ALONE in 1 hour = 1/25 of the pool 

TOGETHER in 1 HOUR = 1/18 +1/25 = 43/450 

TOGETHER they will fill the pool in 450/43 hours 

So 5/6 of the pool will take 5/6 X 450/43 = 2250/ 258 = 8.7209302 hours OR 

8 hours AND 43.26 minutes ANSWER
</span>
Hope this helps!


6 0
2 years ago
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