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Tatiana [17]
1 year ago
11

4.

Mathematics
1 answer:
Vika [28.1K]1 year ago
3 0
Length of bc is 8
hope this helps :))
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(7^2)^4= n^8 solve for n
S_A_V [24]

Answer:

n=7

Step-by-step explanation:

(7^2)^4= n^8

We know that a^b^c = a^(b*c)

7^(2*4) = n^8

7^8 = n^8

Since the exponents are the same, the bases must be the same

n=7

4 0
2 years ago
Please Help me ASAP VERY URGENT
jenyasd209 [6]

Answer:

A= 115 degrees

C= 50 degrees

Step-by-step explanation:

All angles are equal to 180 so the equation is:

180=4x-13+x+18+15

180=5x+20

160=5x

x=32

6 0
3 years ago
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Anybody? I'm pretty sure calculators don't do it right so..please no calculators. ;-;
Dima020 [189]

Answer:

.109 !!

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8 0
2 years ago
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The painting shown at the right has an area of 220. What is the value of x?
tangare [24]

Answer:

9.76

Step-by-step explanation:

area of a rectangle = length * breadth

length = (2x + 3)

breadth = x

given area is 220 sq. inches.

thus,

220 = x * (2x+3)

220 = 2x² +3x

2x² + 3x -220 = 0

x = (-b + √ ( b²-4ac) ) ÷ 2a

x = ( -3 + √ ( 3² - 4*2*220) ) ÷ 2*2

x =9.76

5 0
2 years ago
Find the rate of change between the following points:
marshall27 [118]
This the 2 one i hope it's right
8 0
2 years ago
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