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Lena [83]
2 years ago
6

In the figure below, what is the length of BC? A) 12 B) 13 C) 17 D) 18 E) 22

Mathematics
2 answers:
zheka24 [161]2 years ago
8 0

Answer:

B

Step-by-step explanation:

garik1379 [7]2 years ago
3 0

B is the answer

i simplified the theorem, but i hope this makes sense!

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Solve for x.<br><br> X = ____?
I am Lyosha [343]
Set up a proportion
EA / EB = ED/ EC
16 / (5x + 2 + 16) = 12 / (12 + 24)
16/(5x + 18) = 12 / 36 Cross multiply
16 * 36 = (4x + 18)*12 Remove the brackets
576 = 48x + 216 Subtract 216 from both sides.
360 = 48x Divide by 48
360/48 = x
7.5 = x

8 0
3 years ago
Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).
olga_2 [115]

Answer:

7\pi cm^2

Step-by-step explanation:

The area of a circle is given by A=\pi r^2

For circle B, the radius is 3 cm, it has an area of \pi *3^2=9\pi cm^2

Circle D also has a radius of 1 cm. Its area is \pi *1^2=\pi cm^2

Circle P also has a radius of 1 cm and area \pi*1^2=\pi cm^2

The area of the shaded region is then 9\pi -\pi-\pi=7\pi cm^2

5 0
3 years ago
The farther an integer is from 0, the ______ its absolute value.
Citrus2011 [14]
I think it's higher because as far as the integer gets, the higher its absolute value gets. So, put higher in the blank.

5 0
3 years ago
Read 2 more answers
Which expression can be substituted for y in the top equation of the
maria [59]

Answer:

Y=7+3x, x=-3, y=-2

Step-by-step explanation:

3x-5y=1. Equation 1

3x-y=-7. Equation 2

-y=-7-3x isolate for y in equation 2

y=7+3x multiplied by -1 to get positive y

3x-5(7+3x)=1 substitute y value of equation 2 (7+3x) into equation 1

3x-35-15x=1

-12x=36

x=-3

solve for y.

3x-5y=1

3(-3)-5y=1

-9-5y=1

-5y=10

y=-2

6 0
3 years ago
Convert 22.625 into a fraction
VladimirAG [237]

Answer:

22 5/8

Step-by-step explanation:

5 0
3 years ago
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