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Gelneren [198K]
3 years ago
13

Sarah wanted to know how many of her fellow students have at least one cat at home. She randomly sampled 30 students from her sc

hool and 11 of them answered yes. What is the approximate proportion of students who have at least one cat?
A
0.11

B
0.27

C
0.33

D
0.37
Mathematics
2 answers:
sveta [45]3 years ago
5 0
It is b you can find it on Brainly
dybincka [34]3 years ago
3 0
It is a u can find it on Brainly
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Anne wants to fill 12 hanging baskets with compost. Each hanging basket is a hemisphere of diameter 40 cm.
murzikaleks [220]

Answer:

no

Step-by-step explanation:

Steps to answering this question

  1. determine the volume of the 12 basket

volume of a hemisphere = (2/3)πr^3

n = 22/7

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

radius = 40/2 = 20 cm

volume of one hemisphere = (2/3) x (22/7) x (20^3) = 16,761.90 cm^3

volume of the 12 baskets = 16,761.90 cm^3 x 12 = 201,142.86 cm^

2. convert the litres of compost to cm and multiply by the total bags of compost

1 litre = 1000cm

1 bag of compost = 50 x 1000 = 50,000

4 bags of compost = 50,000 x 4 = 200,000 cm

3. compare which figure is higher. the figure gotten in step 1 or 2

201,142.86 cm^3 is greater than 200,000

there is no enough compost

473691.4

273691.4

3 0
3 years ago
Explain what i did in a detailed answer.
forsale [732]

Answer:

Step-by-step explanation: You added the following numbers multiplied the product by 5 = 17 and then you abbrieviated it and reapeated the process

3 0
3 years ago
I need help with this question please ASAP!!!!!!!!
Viefleur [7K]
For the one on the left they are corresponding and on the right they are vertical
4 0
3 years ago
Which quiz did met have a better score?
MaRussiya [10]
I'm her first quiz she did better, this is going to be hard to explain but pay attention 92% as a decimal is 92/100 keep this in mind, then 27 out of 30 question we try to make 30 go into 100 but we know 30 can't go into 100 without a decimal so what we do is we change the decimal to 90 so for the 27 out of 30 it is now 81/90, now we need to change the denominator in 92/100 to 90 so we subtract 10 from the numerator and denominator to get 82/100 so compare the 2 decimals you got 81/90 and 82/90 and you find that 82/90 is bigger so she did better on the first quiz
7 0
3 years ago
Read 2 more answers
What is the answer please help!
Sav [38]

Answer:

(1,3)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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