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borishaifa [10]
2 years ago
10

The swimming pool is opening hours a day the pool manager must divide pool time equally among five groups camp; camp swim team,

swim lessons, family swim, and open swim how much time should she allow for each group?
Mathematics
1 answer:
ale4655 [162]2 years ago
4 0

Answer:

1.6 hours

Step-by-step explanation:

Number of opening hours a day = 8

Number of groups = 5

Dividing the number of opening. Hours equally among the 5 groups :

8 hours / 5

= 1.6 hours per group per day

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What does it mean by "write the multiples of 5 starting from 75" ??
barxatty [35]
When u think of multiples...think of multiplication tables...
5 x 1 = 5
5 x 2 = 10
5 x 3 = 15
and so on.....so ur multiples of 5 are 5,10,15..and so on

so multiples of 5 starting at 75 would be.....75,80,85,90,95,100...and so on....not sure how far ur supposed to count to...
5 0
2 years ago
What is 8x minus 4y equal?
Brums [2.3K]
You can factorize to simplify the expression

The answer would be,
4(2x - y)
Hope this helped
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5 0
3 years ago
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A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that
Alex73 [517]

Answer:  3528.25

Step-by-step explanation:Make a sideview sketch

you should have 2 triangles, one right-angled containing the height and a scalene triangle with angles 24° , 153° (the supplement of 27°) and 3°

the side opposite the 3° angle is 1000

by let the side opposite the 24° be x, (also the hypotenuse of the right-angled triangle)

x/sin24 = 1000/sin3

x = 1000sin24/sin3

let the height of the mountain be h

sin 27 = h/x

h = x sin27 = (1000sin24/sin3)(sin27)

= 3528.25

8 0
3 years ago
Andrea is told that the means of two groups in a study were statistically significant. She knows the means and standard deviatio
salantis [7]

Answer:

Cohen's D

Step-by-step explanation:

Cohen's D is a statistic that measures effect size. It shows standardised difference between 2 means.

Effect size is defined as how large the effect of a something is or its magnitude.

Cohen's D works effectively when the sample is >50 (that is for large samples). However a correction factor can be used to make results from small samples more accurate

The formular for Cohen's D is:

D = (mean1 - mean2) ÷ (√({standard deviation1}^2 + {standard deviation 2}^2)/2)

This is the most appropriate method in the given scenario

5 0
3 years ago
Sam runs 2 miles in 16 minutes. If Sam runs at the same rate, how far can he run in 64 minutes?
Pie

Answer:

8 miles

Step-by-step explanation:

Since

16 x 4 = 64

Therefore

2 x 4 = 8

8 miles

5 0
3 years ago
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