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True [87]
3 years ago
10

What does 1/4 plus 2/5 equals? Simplify your answer, if possible. 5th grade math.

Mathematics
2 answers:
BigorU [14]3 years ago
5 0

Answer:

13/20

Step-by-step explanation:

Korvikt [17]3 years ago
5 0

Answer:

13/20

Step-by-step explanation:

1/4+2/5

1x5/4×5+2×4/5×4

5/20+8/20

5+8/20

13/20

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What is the length of the diagonal of a 10 foot by 8 foot rectangle?
zloy xaker [14]
Diagonal of a rectangle formula:

Diagonal = √l² + w²
Diagonal = √10² + 8²
Diagonal = √100 + 64
Diagonal = √164
Diagonal = 12.806 feet.

Or you can use the pythagorean theorem. The diagonal of a rectangle is the hypotenuse of a triangle.

a² + b² = c² ; where a and b represents the lengths of the triangle and c is the hypothenuse. In this case, the lengths are 10 ft and 8ft.

10² + 8² = 100 + 64 = 164 ; This represents c².
c = √c² = √164 = 12.806 ft
6 0
3 years ago
If n=37 cm and l=12 cm what is the length of m
n200080 [17]

Answer:35

Step-by-step explanation:

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3 years ago
draw a strip diagram to Model 5 hours 8 minutes minus 3 hours 12 minutes write an equation to find the difference
attashe74 [19]
You can convert everything in minutes once you've solved it you turn it back to hours and minutes....5hrs and 8min= 308min....3hrs 12min=192min....308-192=116.....116 is 1hr and 56min

8 0
3 years ago
900 is what percent of 1200
xeze [42]

Answer:

75%

Step-by-step explanation:

900 /1200=  .75=75%

8 0
3 years ago
Find the degree measure of angle HRP?
Lyrx [107]
Answer: HRP = 40°

Explanation:

Angle EPN = 40°

But EPN = HRP (corresponding angle)

Because EP//HR

Therefore EPN = HRP = 40°
8 0
2 years ago
Read 2 more answers
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