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Reptile [31]
3 years ago
13

15-12 + 4(3) = 15-12-12 15-1 14

Mathematics
2 answers:
MissTica3 years ago
7 0

Answer:

9

Step-by-step explanation:

irina [24]3 years ago
7 0

Answer:

15

Step-by-step explanation:

15-12+4(3)

15-12+12

3+12

15

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Daniel's yard is perfectly rectangular. It has a length of 28 yards and a perimeter of 88 yards. Find the width of his yard.
Digiron [165]

Draw a picture of the yard, rectangle. On the two long sides, write 28 yards and on the two shorter ones, just write a question mark.

To figure out perimeter, you need to add up each side.

P = Perimeter

L = Length

W = Width

P = L(2) + W(2)

If the length is 28, double it. = 56

Now subtract that from the perimeter - 88-56=32

32 is what you have left, so now split that, and replace the question marks.

All-in-all each width is 16 yards, while each length is 28, making the whole rectangle have a perimeter of 88 yards.

8 0
3 years ago
On Saturday, the Gomez family left home to a resort in Maine. The drove at an average rate of 48 mph. ON Thursday they went back
Harman [31]
Time = Distance/Speed

Let d represent the distance from home to the resort in miles.
Time To Resort = d/48
Time To Home = d/40
Total Time = Time To Resort + Time To Home
11 = d/48 +d/40 . . . . . . . . . . substitute known values & expressions
.. = d*(40 +48)/(40*48) . . . . add fractions
.. = d*11/240 . . . . . . . . . . . . . simplify
11*(240/11) = d . . . . . . . . . . . multiply by the inverse of the coefficient of d
240 = d

The Gomez family traveled 240 miles from their house to the resort.
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3 years ago
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