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ra1l [238]
2 years ago
15

Which two pairs of angel is supplementary

Mathematics
2 answers:
Hitman42 [59]2 years ago
8 0

Answer:

90+90

90 degree is complimentary angle

jok3333 [9.3K]2 years ago
5 0

Answer:

Angels that add up to equal 180 degrees.

Step-by-step explanation:

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Answer: Punch brick wall

Step-by-step explanation:

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2 years ago
Which symbol correctly compares the fractions below?<br> 6/7 ? 3/4
inna [77]
I belive it would be the > sign
3 0
3 years ago
Which pair of angles are supplementary angles
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Supplementary angles add up to 180 degrees, so look for two angles by each other that add up to 180 degrees.

Hope this Helps!
4 0
3 years ago
Read 2 more answers
Kirsten and Molly are on a 3-day bike ride. The entire route is 156 miles. On the first day they biked 64 miles, and on the seco
timama [110]
The distance that Kirsten and Molly need to bike on their third day is obtained by subtracting the sum of the distances they have traveled after two days from the length of the entire route.
 
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                                            = 47 miles
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3 0
3 years ago
Prove algebraically that r = 10/2+2sinTheta is a parabola
Xelga [282]

Answer:

y =  -  \frac{ 1 }{10} {x}^{2}   +  \frac{5}{2}

Step-by-step explanation:

We want to prove algebraically that:

r =  \frac{10}{2 + 2 \sin \theta}

is a parabola.

We use the relations

{r}^{2}  =  {x}^{2}  +  {y}^{2}

and

y = r \sin \theta

Before we substitute, let us rewrite the equation to get:

r(2 + 2 \sin \theta) = 10

Or

r(1+  \sin \theta) = 5

Expand :

r+  r\sin \theta= 5

We now substitute to get:

\sqrt{ {x}^{2}  +  {y}^{2} }  + y = 5

This means that:

\sqrt{ {x}^{2}  +  {y}^{2} }=5 - y

Square:

{x}^{2}  +  {y}^{2} =(5 - y)^{2}

Expand:

{x}^{2}  +  {y}^{2} =25 - 10y +  {y}^{2}

{x}^{2}  =25 - 10y

{x}^{2}  - 25 =  - 10y

y =  -  \frac{ {x}^{2} }{10}  +  \frac{5}{2}

This is a parabola (0,2.5) and turns upside down.

4 0
3 years ago
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