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Step2247 [10]
2 years ago
9

Fine the value of ‘A’ in the set of complementary angles. Can you please help me!!!

Mathematics
2 answers:
aivan3 [116]2 years ago
7 0
Complementary angles are adjacent angles which add to equal 90 degrees (a right angle). To find m∠A in these figures, set the sum of the known angle measure and the unknown angle measure, A, equal to 90 and solve.

10)
90 = 67 + A
23 = A
m∠A = 23°

11)
90 = 57 + A
33 = A
m∠A = 33°

12)
90 = 44 + A
46 = A
m∠A = 46°
Gennadij [26K]2 years ago
7 0
Just subtract what they give you from 90.
For example, #10 would be 90-67=A
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Can I please get some help with both problems
dimulka [17.4K]
So you subtract 180 from 90 you get you answer then you will divide it by 55 and your remaining answer which you will get will be x 
4 0
3 years ago
PLEASE FINISH QUICKLYYY!!!!!!
swat32

1) Area = leg(1) * leg(2) * .5 = 15 * 36 * .5 = 270

Perimeter = leg(1) + leg(2) + hypotenuse = 15 + 36 + 39 = 90

2) Area = leg(1) * leg(2) = 20 * 80 = 1600

3) Median (divides it in 1/2)

4) Both (divides it in 1/2 and makes a 90 degree angle w/ base)

5) Altitude (makes 90 degree angle w/ base)

6)sqrt(30^2 + 16^2) = sqrt( 900 + 256) = sqrt(1156) = 34

7) sqrt(24^2 + 18^2) = sqrt( 576 + 324) = sqrt(900) = 30

8) sqrt(40^2 + 96^2) = sqrt(1600 + 9216) = sqrt(10816) = 104

9) sqrt(150^2 - 90^2) = sqrt(22500 - 8100) = sqrt(14400) = 120

10) sqrt(35^2 - 25^2) = sqrt(1225 - 625) = sqrt(600) = 10sqrt(6), approx. 24.5

7 0
3 years ago
The table below shows the number of restaurants advertisement in a city directory.
Mnenie [13.5K]
8 + 13 + 14 + 7 = 42

Chinese = 8/42
Simplified = 4/21
7 0
3 years ago
Monday<br> What time is 5 3/4 hours after<br> 11:32 pm?
Marina86 [1]

bearing in mind that the an hour has 15 + 15 + 15 + 15 = 60 minutes, so 15 minutes in 1/4 of an hour, thus 45 minutes is 3/4 of an hour.

now, from 11PM, if we add the 5 hours first, we'll be at 4AM, pass midnight of course.

now let's add the minutes, 32 and then 45, that gives us 77 minutes.

so the time will be 4AM plus 77 minutes, since 60 minutes is 1 hr, so 4AM plus 1 hr and 17 minutes, that'd be 5:17AM.

6 0
2 years ago
Pete Ross read in a Wall Street Journal article that the cost of parts and labor to make an Apple iPhone 4S were as follows:
Dennis_Churaev [7]

Answer: $466.

Step-by-step explanation:

Add all the numbers in the graph together, you get 194.

Now, subtract 194 from 660, you get 466. That's how much profit the company makes.

7 0
1 year ago
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