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Rom4ik [11]
3 years ago
6

Check Which pair of angles is complementary?

Mathematics
2 answers:
Art [367]3 years ago
8 0
The pair of angles with 56 and 34 are complementary because they add up to 90
sergey [27]3 years ago
6 0

The third set of angles is complementary. Complementary angles are angles that add up to 90°.

56° + 34° = 90°

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Is -5,5,-5,5,-5 arithmetic
Anna11 [10]
No, it multiplies by -1 each time. Arithmetic sequences add or subtract by a constant number
7 0
3 years ago
Please help me with my homework
Alona [7]

so for A it is 16 times as large because the area is 3*3 which is 9 but since it is a triangle the area is halved and is 4.5 and divide 72 by 4.5 which gives us 16

then for b I believe that the scale factor is 4

and for C it is asking for the bottom side of the scaled copy not of triangle A and 4*3=12 so the bottom is 12

ok now its complete =)

4 0
3 years ago
A professor has recorded exam grades for 20 students in his​ class, but one of the grades is no longer readable. If the mean sco
Ivenika [448]

Answer:

5

Step-by-step explanation:

To obtain the total score for all the 20 students, we multiply the average score by the number hence

Total score for all 20 is 81*20=1620

Similarly, for the 19 students, the sum of their total score equals the product of the average and number of students hence

Total score for 19 readable is 19*85=1615

The difference between these two total scores ie for 20 and 19 students equals to the value of unreadable score. Therefore,

Difference=1620-1615=5

Therefore, the value of unreadable score is 5

3 0
3 years ago
Can any one help me lease I do not under stand.
svetoff [14.1K]

Answer: the cube root of 512 is 8.

Step-by-step explanation:

First divide 512 and take the least factors as I have shown,

512= 2×2×2×2×2×2×2×2×2

Now, make the triple twins of these factors,

(2×2×2)(2×2×2)(2×2×2)

Now, take one number from each pair and multiply them,

2×2×2=8

Therefore, the answer of the cube root of 512 is 8.

4 0
3 years ago
Ken and Mali put candies in bags to give away at Ken's birthday party. They started with an equal number of candies and put the
Valentin [98]

Answer:

The correct answer is 7.

Step-by-step explanation:

Let there be x number of candies in each bag filled by Ken and Mali.

Both Ken and Mali started with equal number of candies and put same number of candies in each bag.

Ken filled nine bags and had three candies left. Therefore total number of candies Ken had = 9x + 3.

Mali filled eight bags and had ten candies left. Therefore total number of candies Mali had = 8x + 10.

As both had equal number of candies in the beginning,

9x + 3 = 8x + 10

⇒ x  = 10 - 3 = 7

Thus each bag contained 7 candies.

8 0
2 years ago
Read 2 more answers
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