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Rudik [331]
3 years ago
9

Use compatible numbers to estimate the quotient. 5514/82

Mathematics
1 answer:
elena55 [62]3 years ago
8 0
Use 6000/80
the answer is 75

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A packing machine can pack 2,500 boxes in 5 hours. At what rate does the machine work?
Licemer1 [7]

Answer:

500 boxes an hour?

Step-by-step explanation:

6 0
3 years ago
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A pilot can travel 450 miles with the wind in the same amount of time as 360 miles against the wind. Find the speed of the wind
Lunna [17]

Given:

A pilot can travel 450 miles with the wind in the same amount of time as 360 miles against the wind.

Pilot's speed in still air is 315 miles per hour.

To find:

The speed of the wind.

Solution:

Let the speed of wind be x miles per hour.

Speed with wind = 315+x miles per hour

Speed against wind = 315-x miles per hour

We know that,

Time=\dfrac{Distance}{Speed}

According to the question,

\dfrac{450}{315+x}=\dfrac{360}{315-x}

Divide both sides by 90.

\dfrac{5}{315+x}=\dfrac{4}{315-x}

By cross multiplication, we get

5(315-x)=4(315+x)

5(315)-5x=4(315)+4x

5(315)-4(315)=4x+5x

(5-4)315=9x

Divide both sides by 9.

\dfrac{(1)315}{9}=x

35=x

Therefore, the speed of wind is 35 miles per hour.

4 0
3 years ago
1.1(1.6x+0.4)-0.44= -17.6
sertanlavr [38]

Answer:

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

x

=

−

10.975

5 0
3 years ago
Find the greatest factor of 70, 30 and 50
sammy [17]
The greatest common factor is 10
6 0
3 years ago
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How to do this question plz answer ​
weeeeeb [17]

9514 1404 393

Answer:

  102

Step-by-step explanation:

The total of ratio units is ...

  6 + 3 + 8 = 17

The difference between the Charlie's ratio units and Adrian's ratio units is ...

  8 - 6 = 2

That is, the total number of ratio units is 17/2 = 8.5 times that difference.

The actual difference is 12 sweets, so the total number of sweets is ...

  8.5 × 12 = 102 . . . . total sweets

4 0
3 years ago
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