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3 years ago

This question difficult and i need some help would anyone please help me

Mathematics

2 answers:

8090 [49]3 years ago

7 0

Answer:

Because a straight line = 180, we can find x like this :

(5x - 20) + (3x - 40) = 180

Step 1 - collect like terms

8x - 60 = 180

Step 2 - Move terms around to isolate x

8x = 180 + 60

Step 3 - Divide both sides by 8

x = 30

Now you can find the value of the angles by plugging in x

∠f = (5 x 30) - 20

= 130 degrees

∠g = (3 x 30) - 40

= 50 degrees

We can check to see if this works by adding them up

130 + 50 = 180, so this is correct

Hope this helps! I would really appreciate a brainliest if possible :)

wel3 years ago

5 0

Answer:

x = 30

F = 130

G = 50

Step-by-step explanation:

f and g are supplementary which means they add to 180

5x-20 + 3x - 40 = 180

Combine like terms

8x - 60 = 180

Add 60 to each side

8x-60+60 = 180+60

8x = 240

Divide by 8

8x/8 = 240/8

x = 30

F = 5x -20 = 5*30 -20 = 150 -20 = 130

G = 3x-40 = 3*30 -40 = 90-40 = 50

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RSB [31]

Answer:

$72\pi\ in^{3}$

Step-by-step explanation:

step 1

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The volume is equal to

$V=\pi r^{2}h$

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4 years ago

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4 years ago

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3 years ago

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