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taurus [48]
3 years ago
5

Point A’ is the image of Point A when point A is rotated about the origin B. What angle in the counterclockwise direction is A r

otated through?

Mathematics
1 answer:
liberstina [14]3 years ago
8 0

Answer:

90 degrees

Step-by-step explanation:

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If Katie had 16 pencils how many pencils does Maggie gives to jamal
katrin2010 [14]

Answer:

There isn't enough information to answer this question.

5 0
4 years ago
Convert: :<br> 23.7 cm =<br> mm
Sergeeva-Olga [200]

Answer:

237

Step-by-step explanation:

multiply the length value by 10

6 0
3 years ago
Read 2 more answers
Beakers X and Y contain some water. If 50 ml of water is transferred from Beaker X
eduard

Answer:

140 ml

Step-by-step explanation:

Let x be the amount of water in Beaker X and y be the amount of water in Beaker Y.

<u>Then we get following equations:</u>

<u>First part</u>

  • x - 50 = 3/7(y + 50)
  • 7x -350 = 3y + 150
  • 7x = 3y + 500

<u>Second part</u>

  • x + 100 = 4(y - 100)
  • x + 100 = 4y - 400
  • x = 4y - 500

<u>Substitute x in first equation:</u>

  • 7(4y - 500) = 3y + 500
  • 28y - 3500 = 3y + 500
  • 28y - 3y = 500 + 3500
  • 25y = 4000
  • y = 4000/25
  • y = 160 ml

<u>Then finding x:</u>

  • x = 4*160 - 500
  • x = 640 - 500
  • x = 140 ml

Initial amount of water in Beaker X is 140 ml, in Beaker Y is 160 ml

4 0
3 years ago
Eric has 5 CDs that he is going to give away. He lets his best friend choose 3 of the 5 CDs. How many different groups of 3 CDs
Snowcat [4.5K]
Given a group of n object. We want to make a selection of k objects out of the n object. This can be done in 

C(n, k) many ways, where C(n, k)= \frac{n!}{k!(n-k)!},

where k!=1*2*3*...(k-1)*k


Thus, we can do the selection of 3 cd's out of 5, in C(5,3) many ways, 

where 

C(5, 3)= \frac{5!}{3!2!}= \frac{5*4*3*2*1}{3*2*1*2*1}= \frac{5*4}{2}=10

Answer: 10
5 0
3 years ago
Find the equivalent exponential expression. (7^4)^5
Nikolay [14]
Hi!

To solve exponental equations, multiply the exponents.
4·5=20

The answer is 7^{20}

Hope this helps! :)
-Peredhel
6 0
3 years ago
Read 2 more answers
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