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crimeas [40]
2 years ago
11

Pls help me with this question

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
6 0

Answer:

55.2° ...............................

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Two thirds a number x plus 3 is 6
S_A_V [24]
2/3x+3=6
2/3x=3
x= 3*3/2
x=9/2=4.5

(Mark me the brainliest if this was helpful)
8 0
2 years ago
20. The H.M. between 2 and 8 is<br>(1 marks )​
e-lub [12.9K]

Answer as an improper fraction = 16/5

Answer as a mixed number = 3 & 1/5

Answer in decimal form = 3.2

All of those values represent the same thing, but written in a different way.

=============================================================

Explanation:

I'm assuming HM stands for Harmonic Mean in this case.

If so, then we apply the reciprocal operation to each value to get 1/2 and 1/8 (from 2 and 8 respectively).

Add up those fractions:

1/2 + 1/8 = 4/8 + 1/8 = 5/8

Now we'll divide n = 2 over that result. The n = 2 refers to the number of items in the original set.

n divide over (5/8) = 2*(8/5) = 16/5 which is the answer as an improper fraction

-----------

To convert to a mixed number, we can do the following:

16/5 = (15+1)/5

16/5 = 15/5 + 1/5

16/5 = 3 + 1/5

16/5 = 3 & 1/5

Or if you need the answer in decimal form, then using a calculator would get you 16/5 = 3.2

6 0
2 years ago
Help!!!!!!<br> Please and thank you
fenix001 [56]

Answer:

1. A

2. B

3. A

Step-by-step explanation:

Hope this helps!

5 0
2 years ago
Maggie earns money from working at the pet store and answering phones. She earns $10 each hour she works at the pet store and $0
Maksim231197 [3]
I set Jon an equation and solved for number of hours

3 0
3 years ago
At soccer practice, for every 5 minutes that Bob runs, e spends 20 minutes practicing dribbling. If Bob keeps the same ratio and
Kitty [74]

5/20=x/36

1/4=x/36

x=9

9 minutes.

8 0
3 years ago
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