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worty [1.4K]
4 years ago
11

1.The sum of 4 and three times a number is 19

Mathematics
1 answer:
fredd [130]4 years ago
6 0

1) 4 + 3(x) = 19

3x=15

x=5

2) 2x -7 = 9

2x=16

x=8

3) not sure

4) 5 (x + 4) = -15

5x+20=-15

5x=-35

x=-7

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Answer:

∠EFG = 48°

Step-by-step explanation:

As FH bisects ∠EFG , ∠EFH = ∠HFG .

We know that ∠EFH = (-5x + 89)° . So ∠HFG = ∠EFH = (-5x + 89)°

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=> x = 117 / 9 = 13

Putting the value of 'x' in ∠EFG gives :-

(61 - x)° = (61 - 13)° = 48°

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