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koban [17]
3 years ago
8

I need help with all these questions

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0
6. 13
7. 262
8. ? For the first part but the sum is $118
9. ?
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One fifth of the sum of two angles is 24 and half their difference is 14.Calculate the two angles
Brums [2.3K]
Let, the angles = a, b
It is given that, a+b /5 = 24
a + b = 120   --- equation (1)

a-b/2 = 14
a - b = 28  ---- equation (2)
a = 28 + b

Now, substitute this value of b in equation (1), 
28 + b + b = 120
2b = 120 - 28
b = 92/2
b = 46
Now, a = 28 + b = 28 + 46 = 74

In short, Your Angles are 74 and 46

Hope this helps!
4 0
3 years ago
Can someone solve 3(b+2)+2(b-3)=-5
Alenkinab [10]

Answer:

b=-1

Step-by-step explanation:

3(b+2)+2(b-3)=-5

3b+6+2b-6=-5

5b=-5

b=-1

5 0
3 years ago
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determine the equation of the straight line which passes through the point 1 and 5 and is perpendicular to the line 3x + y is eq
xenn [34]

The straight line is perpendicular to y = -3x + 4.

Therefore, the gradient of the straight line must be 3.

The equation of the straight line is y = 3x + 2.

7 0
2 years ago
Convert fraction to decimal 16/10​
m_a_m_a [10]

Answer:

1.6

Step-by-step explanation:

16/10 = 1.6

5 0
3 years ago
Which is smaller, one-ninth of 54 or one-fourth of 36?
RideAnS [48]

Answer:

one-ninth of 54

Step-by-step explanation

54*1/9=6

36*1/4=9

6 0
3 years ago
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