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anzhelika [568]
3 years ago
7

Are the ratios 1:2 and 2:7 equivalent?

Mathematics
2 answers:
Fynjy0 [20]3 years ago
8 0

Answer: i dont think so

Step-by-step explanation:

Ray Of Light [21]3 years ago
4 0
For example, to find two ratios that are equal to 1:7, first write 1:7 as the fraction 1/7. ... Next, multiply both the numerator and denominator of 1/7 by 2, to get 2/14, or 2:14, and multiply the numerator and denominator of 1/7 by 3, to get 3/21, or 3:21.
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A scooter can travel between 22 and 28 miles on each gallon of gasoline if one gallon of gasoline cost between $3.75 and $3.95 p
Romashka [77]
For the $3.75 it would cost $281.25 and for the $3.95 it would cost $296.25


Hope this helps! 
7 0
3 years ago
Suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 2.5 years. A study wa
Viefleur [7K]

Answer:

sigma should be used

Step-by-step explanation:

Given that The mean length of time in jail from the survey was four years with a standard deviation of 1.9 years.

The above given is for sample of 27 size.

For hypothesis test to compare mean of sample with population we can use either population std dev or sample std dev.

But once population std deviation is given, we use only that as that would be more reliable.

So here we can use population std deviation 1.4 only.

If population std deviation is used we can use normality and do Z test

4 0
3 years ago
1. What does the algebraic representation (x,y) → (x-1, y-2) represent?
Anna [14]

Answer:

A) Each point will translate 1 unit left and 2 units down

Step-by-step explanation:

I got it right in my test Answer A

7 0
3 years ago
Questions on attached photo.<br>​
Vinil7 [7]

Answer:

0

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
HELP TRIGONOMETRY!!!!!
musickatia [10]

Answer:

  12.8 cm

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationships between angles and sides of a right triangle. Here, you have the side opposite the given 70° angle, and you want to find the hypotenuse. The appropriate relation is ...

  Sin = Opposite/Hypotenuse

Solving for the hypotenuse, we get ...

  Hypotenuse = Opposite/Sin

  x = (12 cm)/sin(70°) ≈ 12.77 cm

  x ≈ 12.8 cm

4 0
4 years ago
Read 2 more answers
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