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Ivanshal [37]
3 years ago
15

What is the surface area of the figure? A. 582 ft2 B. 291 ft2 C. 399 ft2 D. 900 ft2

Mathematics
1 answer:
Rzqust [24]3 years ago
3 0
The answer is A .582.
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What is the average of 4 1/2, 3 1/3, 2 , 2 1/6
Zinaida [17]

Answer:

3

Step-by-step explanation:

To find the average add all these numbers together, then divide by how many numbers you have.

4\frac{1}{2} +3\frac{1}{3} +2+2\frac{1}{6} =12

\frac{12}{4} =3

Answer: 3

4 0
3 years ago
What is Y-3x=-2 and Y+x=-6
love history [14]
Rearranging the first equation gives:

y=3x-2

Substituting this into the other equation gives:

y+x=-6
\\(3x-2)+x=-6
\\4x-2=-6
\\4x=-4 \\x=-1

If x=-1:

y+(-1)=-6
\\y=-5

So x=-1, y=-5
5 0
3 years ago
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Estimate 61.68 - 48.225 by first rounding each number to the nearest whole number.
jarptica [38.1K]

Answer:

14

Step-by-step explanation:

61.68 = 62

48.225= 48

62-48= 14

4 0
3 years ago
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A triangle has a perimeter of 10a + 3b + 12 and has sides of length 3a + 8 and 5a + b what is the length of the third side ?
RideAnS [48]

Answer:

  2a +2b +4

Step-by-step explanation:

The perimeter is the sum of the lengths of the three sides. If x represents the length of the third side, then ...

  (3a +8) +(5a +b) +x = (10a +3b +12)

Subtracting from the equation everything on the left side that is not x, we get ...

  x = (10a +3b +12) -(3a +8) -(5a +b)

  = a(10 -3 -5) +b(3 -1) +(12 -8)

  = 2a +2b +4

The length of the third side is 2a +2b +4.

5 0
2 years ago
URGENT!! PLEASE HELP!!
mart [117]

Answer: a 68 c57 b55 I think

Step-by-step explanation:

A triangles angles add up too 180 so just subtract the sum and the two angles and you are done.

5 0
3 years ago
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