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vichka [17]
2 years ago
15

What makes a complementary angle complementary?​

Mathematics
2 answers:
olchik [2.2K]2 years ago
8 0
Complementary angles are defined as 2 angles that collectively add to make 90°

So an example of this would be 45° and 45° as they add up to be 90°
Another example: 60°+30° = 90°
These would be complimentary angles
harina [27]2 years ago
6 0

Answer:

Two angles are called complementary if their measures add to 90 degrees, and called supplementary if their measures add to 180 degrees.

Step-by-step explanation:

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3(r+2)+5(2-r) =-32 can someone tell em the answer to that please
Alex17521 [72]

Answer:

r = 24

Step-by-step explanation:

3(r+2)+5(2−r)=−32

Step 1: Simplify both sides of the equation.

3(r+2)+5(2−r)=−32

(3)(r)+(3)(2)+(5)(2)+(5)(−r)=−32(Distribute)

3r+6+10+−5r=−32

(3r+−5r)+(6+10)=−32(Combine Like Terms)

−2r+16=−32

−2r+16=−32

Step 2: Subtract 16 from both sides.

−2r+16−16=−32−16

−2r=−48

Step 3: Divide both sides by -2.

−2r/-2 = -48/-2

r = 24  

8 0
3 years ago
Read 2 more answers
Sum of 23 and y please help
natta225 [31]

Answer:

I think it’s -5

8 0
3 years ago
If the hypotenuse of a right triangle has length 9 feet and one of the other sides has length 2 feet, what is the length of the
alex41 [277]
  • Hypotenuse=H=9ft
  • Base=B=2ft

Apply Pythagorean theorem

  • P²=H²-B²
  • P²=9²-2²
  • P²=81-4
  • P²=77
  • P=√77

Option D

4 0
2 years ago
Read 2 more answers
If the bowl contains 5 red marbles 7 blue marbles and 8 white marbles what is the probability you will draw a blue and red marbl
topjm [15]

Answer:

none of those are correct.

Step-by-step explanation:

5 red

7 blue

8 white

5 red + 7 blue= 12

5 red + 7 blue + 8 white= 20

=12/20

=6/10

<h2><u><em>=3/5</em></u></h2>
6 0
2 years ago
PLZZZ I'M DESPERATE!!! I GIVE FIVE STARS AND BRAINLIEST!!!! PLZZZZ ASAP! Ten boxes are packed tightly in a crate. From above, th
Elodia [21]

Answer:

6:5

Step-by-step explanation:

Let a be the length of the longer side of the smaller rectangle and b be the length of the shorter side of the smaller rectangle

When you look at the combined rectangle from top to bottom, you can see that 3a=l. Therefore, a=\frac{1}{3}l

This is the same for 4b=l. Thus, b=\frac{1}{4}l

When you look from right to left, you can see that w = 2b+a. Using this, we can represent w in terms of l.

w=\frac{1}{2}l+\frac{1}{3}l\\\\w=\frac{5}{6}l

Now, we can find the ratio of l:w:

l:\frac{5}{6}l\\\\1:\frac{5}{6}\\\\6:5

<u>This question was quite hard to explain.</u>

<u>If you have any questions about the solution, feel free to ask.</u>

<u>Please have a look at the diagram below to get a better understanding of the solution.</u>

5 0
4 years ago
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