Add the expression(3x+2)+(2x+5)
1 answer:
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Answer:
102° and 78°
Step-by-step explanation:
let one angle be x then the other angle is
x + 10 ( 10 more than two-thirds the other angle )
A linear pair of angles sum to 180°, hence
x + x + 10 = 180
x + 10 = 180 ( subtract 10 from both sides )
x = 170
multiply both sides by 3 and divide by 5
5x = 510
x = 102
The 2 angles are x = 102° and
x + 10 =
× 102 + 10 = 68 + 10 = 78°
As a check : 102 + 78 = 180 → correct
You can read 100 pages in 5 hours.
Step-by-step explanation:
Pages read in 2 hours = 40
We need to find how many pages can you read in 5 hours.
We solve it using Unitary Method
Pages read in 2 hours = 40
Pages read in 1 hour =
Pages read in 5 hour =
=
So, you can read 100 pages in 5 hours.
Keywords: Word problems, Unitary Method
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