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Vlad [161]
3 years ago
12

Solve the proportion

Mathematics
1 answer:
Vanyuwa [196]3 years ago
7 0

W is equal to 19/4 or 4.75

Hope this helps! :)

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Convert 1400 pounds into kilograms. Round your answer to the nearest whole
jasenka [17]

Answer:

635 (635.0293 not rounded)

8 0
2 years ago
Pure copper was mixed with a 10% copper alloy to produce an alloy thát was 25% copper. How much of the pure copper and how much
lora16 [44]

Answer:

6kg pure copper and 30 kg 10% copper was mixed to give 36kg of 25% alloy

Step-by-step explanation:

Here, we want to produce 36 kg of 25% alloy

Let the Pure copper be x kg while 10% alloy be y kg

Pure copper is simply 100% copper

Thus;

x + y = 36 •••••(i)

Then;

100% of x + 10% of y = 25% of 36

= x + 0.1y = 9 •••••• ii)

From i x = 36-y

from ii, x = 9-0.1y

Equate both x

36-y = 9-0.1y

36-9 = 0.1y + y

0.9y = 27

y = 27/0.9

y = 30

x = 36-y

x = 36-30

x = 6 kg

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2 years ago
Compare using &gt;, &lt;, or =.<br><br> 75 minutes_7 hours
Sphinxa [80]
7hours > 75 minutes, 60 mins in a hr,
5 0
2 years ago
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Whats $2.65 round to the nearest tenth
Sveta_85 [38]

Answer: 2.7 or in money form $2.70

Step-by-step explanation:

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3 years ago
A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 miles? A. 2 minutes B. 2 hours C. 45
svlad2 [7]

We know that distance = rate(time). We need to solve for time here.

d = rt\\90 = 45t\\t = \frac{90}{45}\\t = 2


The car took 2 hours to travel 90 miles at a speed of 45 mi/hr


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3 years ago
Read 2 more answers
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