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Firdavs [7]
3 years ago
11

Help pls! 10 points!

Mathematics
2 answers:
Simora [160]3 years ago
7 0

Answer:

Multiply 11×7

You will get 77

The total surface area is 77m

inysia [295]3 years ago
4 0

Answer:

791.68

A=2πrh+2πr2=2·π·7·11+2·π·72≈791.68135

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Which set of measurements could be the side lengths of a triangle?
Artist 52 [7]
We know that
Triangle Inequality Theorem establishes that the sum of the lengths of any two sides of a triangle<span> is greater than the length of the third side
</span>so
case <span>A. 5M, 11M, 7M
5+11 > 7----> ok
11+7 > 5 ---> ok
5+7 > 11----> ok

case </span><span>B.10 m, 4 m, 5 m
5+4 > 10-----> is not ok

case </span><span>C.8 m, 4 m, 4 m
4+4 > 8----> is not ok

case </span><span>D.6 m,11 m, 5 m
6+5 > 11-----> is not ok

the answer is
</span><span>A. 5M, 11M, 7M</span>
6 0
3 years ago
HELP!!!!!
choli [55]

Answer:

  x = 64 m

Step-by-step explanation:

The scale is proportional to the actual:

  (6 m)/(3/4 cm) = x/(8 cm)

Multiplying by 8 cm, we get ...

  x = (8 cm)·(6 m)/(3/4 cm)

  x = 64 m . . . . the width of the actual wall

7 0
3 years ago
Read 2 more answers
If the ratio of red roses is 4 to 6 and there are a total of 50 roses, how many of them are yellow?
raketka [301]
17 because 4 x 1.5 = 6, 50 / 1.5 = 33.33
5 0
3 years ago
Solve using substitution or elimination.<br><br> y = x + 1<br> 2x - 5y = 4
andrew-mc [135]

Substitute y = x + 1 into 2x - 5y = 4

-3x - 5 = 4

Solve for x in -3x - 5 = 4

x = -3

Substitute x = -3 into y = x + 1

y = -2

Therefore,

<u>x = -3</u>

<u>y = -2</u>

5 0
3 years ago
If y=3x^3+x^2-5 and z=x^2-12 what polynomial is equivalent to 2(y+z)
marysya [2.9K]

Answer:

2y + 2z

6x³+2x²-10 + 2x²-24

6x³+4x²-34 ■

Step-by-step explanation:

6 0
2 years ago
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