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Alex
3 years ago
5

Please help me with this question

Mathematics
1 answer:
Strike441 [17]3 years ago
5 0

does the car and bike angles are given?

to find the no of pupils

angles / 360° x 36

walk: 90/360 x 36 = 9 pupils

bus: 129/360 x 36 = 12 pupils

*otherswise if bike and cars have the samw angle therefore 7.5 puipls for bike and cars but i dont think it is possible im so sorry

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A cylinder is 20 inches long and has a diameter of 10 inches. What is the approximate volume of the cylinder?
Anna71 [15]

Answer:

V=π(d/2)^2·h

=π·(10/2)^2 · 20

≈1570.79633in³

this is the correct answer!!!

4 0
3 years ago
how many bit strings of length 9 have exactly two 1'S or two 0'S( this is one question, so you should have one answer)
Crazy boy [7]

Answer:

72.

Step-by-step explanation:

Number of strings with exactly 2 1's

= 9C2

= 9*8/2*1

= 36.

Same for  2 0s

= 36.

8 0
2 years ago
A perfume company claims that the mean weight of ther new perfume is at least 8.9 fluid oz. Express the null hypothesis and the
zlopas [31]

Answer:

H0: mu = 8.9 fl oz.\\\\

Ha: mu ≠8.9 fluid oz

Step-by-step explanation:

Given that A perfume company claims that the mean weight of ther new perfume is at least 8.9 fluid oz

For testing this claim, in Statistics we perform a certain measures called hypothesis testing.

For this first step is to create null and alternate hypothesis.

Normally null hypothesis would have some statistic = something

Here we want to test the mean weight of perfume

Hence null hypothesis would be

H0: mu = 8.9 fl oz.

Alternate hypothesis would be opposite of this claim

i.e.

Ha: mu ≠8.9 fluid oz

Hence answer is

H0: mu = 8.9 fl oz.\\\\

Ha: mu ≠8.9 fluid oz

6 0
3 years ago
Can u help me answer this? A tree is 8.5 feet tall. It grows 0.75 feet each year.
alexandr1967 [171]

Hmm... 8.5 + 0.75y

          0.75y + 8.5

         

5 0
3 years ago
What is the value of y in the system of equations?<br> 5x + y = -1<br> y = 6x + 10
Vinil7 [7]

Answer:

y = 4

Step-by-step explanation:

5x + y = -1

y = -1 - 5x

y = 6x + 10

6x + 10 = -1 - 5x

11x = -11

x = -1

y = 6x + 10 = 6(-1) + 10 = -6 + 10 = 4

8 0
3 years ago
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