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Ksenya-84 [330]
3 years ago
10

CAN SOMEONE PLEASE HELP ME WITH THIS QUICKLY!!!!!!!!!!!!!!!

Mathematics
1 answer:
Korvikt [17]3 years ago
5 0
I think it’s the 3rd one i’m sorry if i am am wrong
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Pls helppp! i don’t understand:|
zmey [24]

Answer:

(first and brainliest??) 27 degrees

Step-by-step explanation:

The top triangle's missing angle is 75 degrees because 85+20=105 and 180-105=75. Knowing this, we know that the angle that's connecting the two triangles is also 75 degrees. 78+75=153 and 180-153=27

7 0
3 years ago
Read 2 more answers
Two balls A and B rotate along a circular track. Ball A makes 4 full rotations in 120 seconds. Ball B makes 3 full rotation in 6
lara [203]
Find the rate in which both balls make one full rotation around the track.

Ball A:

120 / 4 = 30

It takes 30 seconds for Ball A to make a full rotation.

Ball B:

60 / 3 = 20

It takes 20 seconds for Ball B to make a full rotation.

Find the least common multiple of 20 and 30 to find the time at which they'll meet.

Multiples of 20: {20,40,60}
Multiples of 30: {30,60}

60 is the least common multiple of both 20 and 30.

The balls will meet again at 60 seconds.
5 0
3 years ago
Module 6 What is the line of best fit? Why do we want the sum of the residuals to be as close to zero as possible?
Mamont248 [21]

Answer:

zero residual equals zero mean

6 0
3 years ago
PLEASE HELP QUICKLY!!
choli [55]

Answer:

By excluding (10, 15), a better description can be given for the data set.

Step-by-step explanation:

Overall, this data seems to suggest a decreasing trend.  The value (10, 15) is an outlier; if we remove it, the trend appears to be stronger.  Thus if we exclude this value we can give a better description of the data set.

6 0
3 years ago
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MAKE YOU THE BRAINLIEST EASY QUESTION Show the formula for finding the area of a triangle. Then find the area of a right triangl
lesya692 [45]

Answer:

Formula to find the area of a triangle is 1/2(bxh). The area of the right triangle is 28.

Step-by-step explanation:

To solve this problem you would plug in the base and height into the formula and follow the order of operations (P.E.M.D.A.S). So the equation would then read 1/2(5x11.2). Once you solve inside the parenthesis, the equation then reads, 1/2(56). Then you solve what half of 56 is, which is 28.


I hoped this helped you!

6 0
3 years ago
Read 2 more answers
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