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barxatty [35]
3 years ago
7

Write this ratio As a fraction in lowest terms 30minutes to 50 minutes

Mathematics
1 answer:
omeli [17]3 years ago
5 0

Answer:

3:5

Step-by-step explanation:

Divide each side by 10 to simplify.

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Which of the following is equivalent to the expression below?
larisa [96]

Answer:

4a^2-6b^2+12

Step-by-step explanation:

(a^2 - 2b^2 + 3) - (4b^2 - 5) + (3a^2 + 4)

distribute the negative sign to each term in the 2nd expression

a^2-2b^2+3-4b^2+5+3a^2+4

combine like terms

4a^2-6b^2+12

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3 years ago
What is the surface area of this?​
horsena [70]
If you multiply 10 by 4 that gets you the area, but you need to find the surface so multiply the product by 7 and that gets you the surface which is 280
7 0
3 years ago
Select all of the expressions which show how to convert 2.5 yards into inches.
PIT_PIT [208]

Answer:

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Step-by-step explanation:

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3 years ago
At a sport clubhouse the coach wants to rope off a rectangular area that is adjacent to the building. He uses the length of the
Furkat [3]

Answer:

w < 8 meters ( w must be greater than 0 because length cannot be 0)

Step-by-step explanation:

One side with building is 23 meters, the other opposite side also will be 23 meters (with rope).

Let width (remaining 2 sides) be "w", he has AT MOST 39 meters of rope, so we can write:

Rope Needed = 23 + 2w < 39

Simplifying:

23 + 2w < 39\\2w < 39 - 23\\2w < 16\\w < 8

The range of possible values of w is  w meters (of course w has to be greater than 0)

5 0
3 years ago
I know number 13 is right, how do I do 11 and 12?
snow_tiger [21]
11. 43 ; 137
12. 12 ; 102
8 0
3 years ago
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