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iogann1982 [59]
3 years ago
10

1. Five more than three times a number is sixty- five.

Mathematics
2 answers:
EleoNora [17]3 years ago
6 0
1)
a. 5+3x= 65
b. 5+3x=65
    3x=65-5
    3x=60
    x=20

2)
a. v= 28 -32t
b. (v=0)
    0= 28 -32t
    32t=28
    t=28/32
    t= 7/8
allsm [11]3 years ago
4 0
1)
Let unknown number be x
3x + 5 = 65
3x = 60
x = 20

Therefore, unknown number is 20.
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1. 72

2. 46

3. 99

4. Same side interior angles are supplementary

5. alternate interior angles are equal to each other so set up the x expressions equal to each other. 5x-7=3x+17. Solve for x

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