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Virty [35]
2 years ago
13

In a school of 4000 students. 40 % of them are boys find the Number of boys and Number of girls

Mathematics
1 answer:
choli [55]2 years ago
3 0

Answer:

1600 boys, 2400 girls

Step-by-step explanation:

4000*4/10=400*4=1600

100-40=60

4000*6/10=400*6=2400

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Roger is training for the upcoming track season and records the number of miles that he runs each day for 20 days: 2.5, 0.5, 3.5
Leni [432]

Answer:

a

Step-by-step explanation:

I got right on edge

7 0
3 years ago
35%Daisy is cooking pasta. The recipe says she needs 480 grams of pasta for 4 people. How many kilograms will she need for 14
pav-90 [236]

4 people = 480 grams of pasta


1 person = 480 ÷ 4 = 120 grams of pasta


14 people = 120 x 14 = 1680 grams of pasta


1680g = 1680 ÷ 1000 = 1.68 kg


Answer: 1.68 kg of pasta

4 0
2 years ago
Use the given endpoint R and midpoint M of line RS to find the coordinates of the other endpoins.
makvit [3.9K]
S(-6, 4)

If you plot on a simple graph you will find the other end point S there
6 0
3 years ago
The average score of all golfers for a particular course has a mean of 65 and a standard deviation of 4.5 . Suppose 81 golfers p
Natali5045456 [20]

Answer:

Answer:

The probability that the average score of the 49 golfers exceeded 62 is 0.3897

Step-by-step explanation:

6 0
3 years ago
An observer standing on a cliff 320 feet above the ocean measured angles of depression of the near and far sides of an island to
Gnesinka [82]

Answer:

154.10 Feets

Step-by-step explanation:

Given the following :

Height (h) of cliff = 320 feet

Angle of depression of near side = 16.5°

Angle of depression of far side = 10.5°

Using trigonometry :

We can obtain x and y as shown in the attached picture :

Tanθ = opposite / Adjacent

Adjacent = height of cliff = 320 Feets

For the near side :

Tanθ = opposite / Adjacent

Tan (16.5°) = x / 320

0.2962134 = x / 320

x = 0.2962134 * 320

x = 94.788318 Feets

For the far side :

Tanθ = opposite / Adjacent

Tan (10.5°) = x / 320

0.1853390 = x / 320

x = 0.1853390 * 320

x = 59.308494 Feets

Length of island = (59.308494 + 94.788318) feet

= 154.10 Feets

5 0
3 years ago
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