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IrinaK [193]
3 years ago
14

Angle a​ and​ ​angle b​ ​are complementary angles. The measure of ∠a is 42°.

Mathematics
1 answer:
Citrus2011 [14]3 years ago
8 0
My work to your question
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Find the missing factor.<br> n(n-3)+2(n-3)=( )(n-3)
elena-s [515]
This is the concept of quadratic equations. We are required to find the missing factor in the partially factored quadratic equation given;
n(n-3)+2(n-3)=()(n-3)
here we proceed as follows;
n(n-3)+2(n-3)
when we factor this we get:
(n-3)(n+2)
this can be written as:
(n+2)(n-3)
The answer is (n+2)
3 0
3 years ago
What is another way to write 15 minutes before 9?
dimulka [17.4K]

Answer:

8:45

9:00 - 0:15 = 8:45

4 0
3 years ago
when oxygen reacts with hydrogen it has the capacity to release 29 kilojoules of energy. Inside a fuel cell, oxygen reacts with
Pepsi [2]

Answer:

79

Step-by-step explanation:

4 0
3 years ago
Find the volume of the sphere. Round your answer to the nearest tenth.
shepuryov [24]

Answer:

179.50

Step-by-step explanation:

The formula for calculating pi is as followed: 4/3·π·r³

The question is either asking to calculate using 3.14 for π or add π at the end of your answer instead of completing it. I will substitute π for 3.14.

∴V=4/3·3.14·3.5³

V=179.503333333

Round your answer to the nearest hundredth:

179.503333333 rounded to the nearest hundredth becomes 179.50

∴V=179.50

-------------------------------------------------------------------------------------------------------------

Another way to answer this question is to use the same formula; but not substitute 3.14 into the answer.

V=π.4/3·r³

V=π·57.1666666667

Round 57.1666666667: 57.17

V=57.17π

Either one would work. Hope this works.

5 0
2 years ago
Identify the zeros of the graphed function.
Sever21 [200]

Answer:

A I think this is it

Step-by-step explanation:

Hope this helps :) :)

6 0
2 years ago
Read 2 more answers
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