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natali 33 [55]
3 years ago
6

Find the value of x!!

Mathematics
1 answer:
Lyrx [107]3 years ago
6 0

Answer:

x = 6

Step-by-step explanation:

These two angles make a complementary angle meaning the sum of the angles will be 90°. We can use this information to make an equation to solve for x.

10x + 30 = 90 (Given)

10x = 60 (Subtract 30 on both sides)

x = 6 (Divide 10 on both sides)

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Rearrange 8x +2y+11=0 into y=mx+b
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Answer:

y = 4x + 5.5

Step-by-step explanation:

We put 2y in the y spot, obviously

2y = mx + b

Then we put 8x in the x spot

2y = 8x + b

Then we put 11 in the b spot

2y = 8x + 11

Then, to simplify, we divided by equation by two (it still gives the same results)

y = 4x + 5.5

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2 years ago
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If there were 49 cars in a line that stretched 528 feet, what is the average car length? assume that the cars are lined up bumpe
lakkis [162]

If there were 49 cars in a line that stretched 528 feet, what is the average car length? assume that the cars are lined up bumper-to-bumper

Answer: We are given there are 49 cars

Also these 49 cars are in a line stretched 528 feet.

Now the average length of the car is:

Average length = \frac{(length-covered-by-49-cars)}{Number-of-cars}

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Therefore, the average length of car is 10.78 feet

                 

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