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Alex Ar [27]
3 years ago
13

Determine whether ABC are functions:

Mathematics
1 answer:
Contact [7]3 years ago
4 0

Answer:

A. Function

B. Not a function

C. function

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A university has 28,980 students. In a random sample of 180 students, 12 speak three or more languages. Predict the number of st
anygoal [31]
Word | know | Unknown
Language| 12 | x
Total | 180 | 28980
Use cross multiply:
12(28980) = 180(x)
347760 = 180x
347760/180=1932
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3 years ago
A ballroom in a hotel has the shape shown in the diagram. The hotel manager needs to determine how much carpet is needed to reca
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3 years ago
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Determine the volume of a cylinder with 251.20cm2 lateral area and 78.50cm2 base area ​
horrorfan [7]

Answer:

Answer is 628 cm^3

Step-by-step explanation:

using base area lets find radius

base area=pie*(r)^2

78.50=3.14*r^2

78.50/3.14=r^2

25=r^2

5=r

now using lateral area lets find height

lateral area=2*pie*r*h

251.20=2*3.14*5*h

251.20=31.4*h

251.20/31.4=h

8=h

volume of cylinder=pie*(r)^2*h

=3.14*(5)^2*8

3.14*25*8

=628 cm^3

3 0
2 years ago
An orange has about 1/4 cups of juice.Hiw many Oranges are needed to make 2 1/2 cups of juice?
marysya [2.9K]

Answer:

10/4 cups of juice

Step-by-step explanation:

4/4 = 1

so 4/4 + 4/4 = 2

and 1/2 = 2/4

then add

4/4 + 4/4 + 2/4 = 10/4

7 0
3 years ago
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marco needs to buy some dog food. at the nearest store, 5 bags of dog food cost $12.50. how much would marco spend on 3 bags of
lukranit [14]

Answer:

7.5

Step-by-step explanation:

Since we are given the price for 5 bags of dog food, we have to find the unit rate. Now to do that we divide the price by the amount.

12.50/5= 2.50

now since we have the unit rate, we take that and multiply the price of one by 3 to find the price of 3

2.50x3=7.50

Hope this helps!

4 0
3 years ago
Read 2 more answers
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