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tiny-mole [99]
3 years ago
6

Which ratios form a proportion?

Mathematics
1 answer:
Nat2105 [25]3 years ago
3 0
Your answer would be, C 5/45 and 4/36. In simplified form they both equal 1/9, meaning they are a proportion.
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A consumer magazine article titled "How Safe Is the Air in Airplanes" reports that the air quality, as quantified by the degree
OlgaM077 [116]

Answer:

Step-by-step explanation:

Given that a  consumer magazine article titled "How Safe Is the Air in Airplanes" reports that the air quality, as quantified by the degree of staleness, was measured on 175 domestic flights.

The purpose was to study about the safety of all flights as a whole.

Since all flights cannot be measured within a reasonable time, a sample of 175 domestic flights were taken.

a) The population of interest here would be the measure of safety of all the airplanes.

b) Sample is the 175 domestic flights selected

c) Characteristics of interest is the safety in travelling by air in Airplanes due to air quality.

8 0
3 years ago
Alexander is building a rectangular pen in his backyard for his dog. The pen will have a length of 13 feet and a width of 2x fee
faust18 [17]

Answer:

4x+26

Step-by-step explanation:

to buy fencing, you need to find the perimeter of the pen. The perimeter is found by adding all sides together.

So, 13+13+2x+2x=4x+26

3 0
3 years ago
(2x-1)(x+4)=0 need this question
eduard

Answer:

x = 1/2 or x = -4

Step-by-step explanation:

Since the product equals zero, use the zero product rule.

(2x - 1)(x + 4) = 0

2x - 1 = 0 or x + 4 = 0

2x = 1   or   x = -4

x = 1/2 or x = -4

6 0
3 years ago
Read 2 more answers
Explain how to divide a number by a fraction
saw5 [17]

if a whole number, put the number above a one like so : if the number was 8, write it as 8/1

multiply the number by the reciprocal of the fraction

example: 8 divided by 1/3

8/1 times 3/1 =24/1

=24

5 0
3 years ago
Grant has 2 over 3 cup of ice cream in a bowl. He then removes two 1 over 6 cups of ice cream to share with his little brother.
Nonamiya [84]
I hope this helps you



2^3-2.1^6


8-2


6
6 0
3 years ago
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