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stealth61 [152]
3 years ago
5

Question 9 of 10

Mathematics
1 answer:
Nonamiya [84]3 years ago
8 0
The answer is B. 0.02
1/2 (100)(h) = 1
h= 2/100
=h = 0.02
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Find x and y in the figure​
Grace [21]

Answer:

x=10, y=25

Step-by-step explanation:

First, in a trapezoid, the two angles on the same leg (the legs are the opposite sides that are not parallel) add up to 180 degrees. Therefore, 4y as well as (2y+3x) are supplementary. We can write this out as

4y + (2y+3x) = 180

6y+3x = 180

Next, the angles of a triangle add up to 180 degrees. Therefore, as the angles 2y, 4y, and (5x-20) make up a triangle, they add up to 180 degrees. We can write this as

4y + 2y + (5x-20) = 180

6y + 5x -20  =180

Our two equations are thus

6y + 5x - 20 = 180

6y + 3x = 180

If we subtract 6y from both sides in each equation, we can say

5x - 20 = 180-6y

3x = 180-6y

Therefore, we can write

5x-20 = 180-5y = 3x

5x-20=3x

subtract 3x from both sides to make all x variables on the same side

2x-20 = 0

add 20 to both sides to isolate the x and its coefficient

2x = 20

divide both sides by 2 to isolate x

x = 10

Therefore,

x = 10

6y + 3x = 180

6y + 30 = 180

subtract 30 from both sides to isolate the y and its coefficient

6y = 150

y = 25

5 0
3 years ago
Help please due in 30 minutes
I am Lyosha [343]

Answer:

the last one

Step-by-step explanation:

uv

6 0
3 years ago
((7, 6), (0,-1), (-7, -1), (-3, 2), (-5, 3) } Domain. Range​
Olin [163]
The domain is {-7,-5,-3,0,7}.
The range is {-1,-1,2,3,6}.
:) hope you get a good grade.
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3 years ago
If DE = 8x, EF = 2x, and DF = 10, what is DE?
Drupady [299]

Answer: The answer will be 8x.

Step-by-step explanation:

5 0
3 years ago
4b + 5b I'm not sure if I did it right ​
n200080 [17]
It’s 9b it’s just 4+5 with the b
5 0
3 years ago
Read 2 more answers
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