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Elanso
12 days ago
15

Each student in a class plays one of three sports soccer, volleyball or basketball. 1/4 of them play soccer. 3/5 of them play vo

lleyball. How many of them play basketball ?
Mathematics
1 answer:
AnnZ [11.8K]12 days ago
7 0

Answer: 3/20 of the class

Step-by-step explanation:

Combine the number of students engaged in soccer and those in volleyball

1/4 + 3/5 = 17/20

Deduct the total of 17/20 (soccer and volleyball) from 20/20 or 1

20/20 - 17/20 = 3/20

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A kids skipping rope is 7ft long. How many ropes could I cut from a 10 yard long piece of rope?
lawyer [12096]
3 feet make one yard.
Multiplying 3 by 10 gives 30 feet.
Dividing 30 by 7 gives approximately 4.2.
Answer: 4 ropes can be cut.
Since partial ropes cannot be counted, only 4 full ropes are possible.
7 0
1 month ago
Jai Narayan sells two radio sets for 2288 each.
tester [11876]

Answer:

1%

Step-by-step explanation:

The selling price for each radio is $2288.

Total selling price is 2\times 2288=$4576.

Profit is 10%.

Loss is also 10%.

Cost price=\frac{S.P\times 100}{100+gain(in\;percent)}

Cost price=\frac{S.P\times 100}{100-loss(in\;percent)}

Utilizing the formula,

Cost price of the first radio is \frac{2288\times 100}{110}=$2080.

Cost price of the second radio is \frac{2288\times 100}{100-10}=$2542.2.

The combined cost price for both radios totals 2080+2542.2=$4622.2.

Total cost price exceeds total selling price.

Loss equals selling price minus cost price.

Loss is calculated as 4622.2-4576=$46.2.

Loss%=\frac{Loss}{C.P}\times 100

Loss percentage is \frac{46.2}{4622.2}\times 100=1%.

Thus, the loss is 1%.

5 0
1 month ago
A jet climbs at a steady rate at an angle of inclination of 0.5 degree during game off what will its he height be after a 2.2 km
zzz [11812]
A right triangle will have 2.2 km as its hypotenuse, with an angle of 0.5 degrees and an unknown height (see attachment).

Remember to apply the trigonometric ratios: sine, cosine, and tangent for right triangles.
Sin<span>θ = opposite side/hypotenuse
</span>Cos<span>θ = adjacent side/hypotenuse
</span>tan<span>θ = opposite side / adjacent side
</span>In this scenario, θ signifies the angle (not the right angle), which is given as 0.5°.

For this problem, we use sine as we have the side opposite the angle (the unknown height h) and the hypotenuse, with sine relating these two sides.

Let h represent the unknown opposite side, the height.
sin(0.5°) = h / (2.2km)
h = (2.2km)sin(0.5<span>°)
h = 0.019 km

I hope this has clarified your question! If you need clarification on any steps, please ask below.</span>
3 0
25 days ago
The coordinate plane shows the floor plan for a swimming pool. What is the area of the pool’s border? A. 50 square meters B. 65
Inessa [12133]
Answer: Choice B. A detailed breakdown explanation follows.
7 0
12 days ago
The shortest person in a class is 55 inches tall and tallest person in that class is 75 inches tall. Write an absolute value equ
tester [11876]

x = lowest height

<x+25 highest height

x=55

3 0
1 month ago
Read 2 more answers
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