Solve the missing angle measurement

Mathematics

1 answer:

denis23 [38]3 years ago

7 0

You just have to subtract everything from 360. So it would be like this

360 - 105 - 80 - 75= the number you get

Jus Plug that into a calculator and you have your answer :)

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Is 19-10 equal to20-10 is 19 take away 10 equill to 20 take away 10

Anni [7]

First lets write this out:-

?
19 - 10 = 20 - 10

Now lets solve:-

19 - 10 =9

?
9 = 20 - 10

20 - 10 = 10

9 ≠ 10

Since 9 does not equal 10:-

19 - 10 ≠ 20 - 10

Hope I helped ya!!

4 0

3 years ago

There are 15 people in the chorus. Each year, the number of people in the chorus increases by 12%. There are 30 people in the ba

Elden [556K]

Part A
Chorus:
Expontential growth = b*a^x
b = 15
a = 1.12 (a= r+1), r = 12%

Which gives a function of f(x) = 15*1.12^x

Band
Linear growth = ax+b
a = 2
b = 30

Which gives a function of g(x)=2x+30

Part B:
f(9) = 15*1.12^9 = 41.59
g(9) = 2*9+30 = 48

Part C:
This is probably problem solving, where you're allowed to use calculators and other softwares.

Therefore you can use different softwares, and make f(x) = g(x).
I did this, and got it to 10.95427141