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lakkis [162]
3 years ago
7

Please help Slove for x

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

Answer:

x = 20

Step-by-step explanation:

These angles are consecutive interior angles, so when added they will equal 180 degrees (according to the consecutive interior angles theorem).

3x - 10 + 5x + 30 = 180          add/subtract all like terms

8x + 20 = 180

8x = 160

x = 20  <--- This will be your answer

Hope it helps!

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85% of all cars sold in chicago are some color other than black. if three hundred black cars were sold in chicago, how many cars
hram777 [196]
Of 85% of cars sold where not black then 100-85% where black = 15%
let the number of cars sold be y
then 15%*y=300
y= 300 divided by 15%
= (300*100)/15
=2000
therefore 2000 cars were sold
7 0
3 years ago
If the area of a circle is 121pie square units, what is the diameter
velikii [3]
Since you are given the area, we can solve for radius with this equation:
A_c = \pi r^2
r = \sqrt{ \frac{A_c}{ \pi } } = \sqrt{ \frac{121 \pi }{ \pi } } = \sqrt{121} = 11

The radius is 11, so the diameter must be 2 times that, which is 22. With the correct units, the answer is 22 units²
4 0
2 years ago
X^3 = ? Please write the answer correctly.
photoshop1234 [79]

Answer: (x)(x)(x) = x^3.

Step-by-step explanation:

x^3 means multiply x by it's self 3 times.

Hope this helps..

4 0
3 years ago
Read 2 more answers
Https://aatmagyan.page.link/jJM5pmd5qbgW27KH7​
krek1111 [17]

what is this?

?

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5 0
2 years ago
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Please HELP me 50 points worth
Leokris [45]

Answer:

y=-½x + 1

Step-by-step explanation:

1.) a perpendicular lines uses the opposite inverse of a line so the slope becomes -½x

2.) make an equation that looks as so:

y=-½x+b

the y intercept is unknown so it must be a variable.

3.) substitute the points you are given into the equation:

3=-½(4)+b

4.) solve for b

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-2|-2

1=b

4.) place b into the equation

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3 years ago
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