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kozerog [31]
3 years ago
10

Does 15/21 and 40/56 form a proportion

Mathematics
1 answer:
Anettt [7]3 years ago
6 0

Answer:

No, 15/21 and 40/56 do not form a proportion.

Step-by-step explanation:

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A full tin of paint has a mass of 22 kg.When the same tin is 3/4 filled with paint,it has a mass of 17 kg.What is the mass of th
USPshnik [31]

Answer: 2 kg

Step-by-step explanation:

3/4(22-x)=17-x

66/4-3/4x=34/2-x

33/2-3/4x=34/2-x

1/4x=1/2

x=2

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3 years ago
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Answer:

a1) 65

a2) 25

a3) 45

Step-by-step explanation:

all triangle equal to 180

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hannah's school hosted a book donation. there are 150 students at her school, and they donated b books! hannah donated 3 times a
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A tourist starts to walk up a mountain path that is 31 miles long at the rate of 4 miles per hour. After walking for a while, he
Sunny_sXe [5.5K]

Answer:

He pays to the cab driver for 25 miles.

Step-by-step explanation:

Consider the provided information.

Let us consider he walks x miles at the rate of 4 miles per hour.

As we know Time=\frac{Distance}{Speed}

Therefore, time taken is: Time=\frac{x}{4}

He get a taxi for (31-x) miles at the rate of 50 miles per hour.

Therefore, time taken is: Time=\frac{31-x}{50}

It took 2 hours after he started.

That means the sum of time take is 2 hours.

\frac{x}{4}+\frac{31-x}{50}=2

\frac{25x+62-2x}{100}= 2

23x+62= 200

23x= 138

x= 6

Hence he walk 6 miles and he get a taxi for 31-6=25 miles.

He pays to the cab driver for 25 miles.

5 0
3 years ago
Jane travels 7/8 distance to school by car, and walks the rest of the way. If she walks about 440 yd, what is the distance in mi
Vikentia [17]
ANSWER: 3,520 yards = 2 miles.

440 yds is 1/8. Multiply 440 by 8 to get the full distance. Hope this helps! :)
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3 years ago
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