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lakkis [162]
2 years ago
11

SOMEONE PLS HELP! (4+51)(4 - 51) = DONE

Mathematics
1 answer:
Gala2k [10]2 years ago
4 0
The right answer is -2585
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What is the value of x?<br><br> 160°<br><br> x=<br><br> 10<br><br> 51%
ryzh [129]

Answer:

x=10

Step-by-step explanation:

because since 60 is apart of 10

6 0
3 years ago
Rewrite 1−2 sin ^2 (22.5∘) using a double-angle identity.
attashe74 [19]
Using the identity :

Cos (2a) = 1-2 Sin^2(a)

Therefore :<span>1−2 sin ^2 (22.5∘) = Cos(2a)
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3 years ago
For each day , select the number of hours worked. <br><br>HELP! THE ANSWERS ARE IN THE BOX THINGY!​
Strike441 [17]

Answer:

Monday's answer is 7 1/6

8 0
3 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
3 years ago
What is the number of acute obtuse and right angle of a rectangle
matrenka [14]
The number of a acute angle in a rectangle is 89 through 1 the obtuse angle in a rectangle is 91 through inf and a right angle of a rectangle is 90 degrees 
4 0
3 years ago
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