Which ratio correctly compares 60 mm to 45 cm?

Answers

Answer 1
Answer: 60 mm converts to 6 centimeters.
the ratio of 6 to 45 can be simplified to 
2 : 15

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Does the equation represent a direct variation? If so, find the constant of variation.4x -5y = 0a. yes; k = -5 b. no c. yes; k = 4/5 d. yes; k = - 4
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Are these expressions equivalent 5(5c+6) and 25+30c

Jerry started playing video gamrs at 3:20. If he took a break at 7:15 how long had he been playing

Answers

4(60)-5 = 235 minutes or 3 hours 55 minutes

A baseball player’s batting average is a ratio found by dividing the number of hits by the number of at-bats and writing the result as a decimal number rounded to the nearest thousandth. If Erika had 24 hits in 61 at-bats, what was her batting average?

Answers

So divide 24 by 61
You get 0.393 rounded/

Three months ago , santos could walk 2 miles in 40 minutes. Today he can walk 2 miles in 25 minutes. What is the percent change?

Answers

Answer:

37.5%

Step-by-step explanation:

first work out the difference between the two numbers,

then divide the decrease by the OG number (40)

and multiply the answer by 100

How many cube roots does 0.216 have explain

Answers

Answer:

0.216 has exactly one cube root, which is 0.6.

Step-by-step explanation:

Note that the third root of 0.216 is 0.6, obtained on a calculator by typing in 0.216^(1/3).  Verify this root by cubing 0.6:  0.6*0.6*0.6 = 0.216.  Thus, 0.216 has exactly one cube root.

Gwen is making a circular rug with a radius of 3 feet. What will the area of the rug be that she is making?

Answers

area=pir^2
r=3
area=pi3^2
are=pi9
area=9pi
if aprox pi=3.14159256
area=28.2743304 ft^2

9pi ft^2 or 28.141 ft^2
The formula for finding the area of a circle is pi (which is 3.14) times radius squared. 3 times 3 is 9. Then you multiply 9 by 3.14. Round to the nearest tenth decimal place.

If an original quantity is 12, and the new quantity is 15, what is the percent increase?

Answers

If an original quantity is 12, and the new quantity is 15, then the percentage increase is 25%.

Given that, an original quantity is 12, and the new quantity is 15.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Here,

Percentage increase = (New quantity - Original quantity)/Original quantity ×100

= (15-12)/12 ×100

= 3/12 ×100

= 0.25×100

= 25%

Therefore, if an original quantity is 12, and the new quantity is 15, then the percentage increase is 25%.

To learn more about the percentage visit:

brainly.com/question/24159063.

#SPJ2

Answer:

20% increase

Step-by-step explanation:

1- New number-original number

2- number increased divided by new number then multiply by 100

15-12= 3

3 divided by 15= 0.2

0.2 times 100= 20%