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But yes you can earn points if somone looks at your answer and "upvotes it" using the 5 star thing in the top right of the answer box, depending on how people like youre answer they will either give you 1, 2, 3, 4, 5, or 0 points, Again, Hope this helps!

Have agood day!

Actually if you answer questions that have not been answered or other peoples answers are wrong and you correct  them you will be awarded a specific amount of points depending on how well the answer was explained or how well you did the math & so on, but mainly you gain points from answering the questions that people ask, and also asking questions yourself, although you do occasionally get points from asking questions you do not get as many as you do when you answer someone elses questions, therefore you mainly earn points for answering questions. Hope this helps!!

Have a good day!

Change

.............

Original

Then multiply the answer by 100

X -2

------

X + 10

If m=average morning temperature, then the average afternoon temperature is 1/4m, or:

m=1/4m. But, since the average afternoon temperature is -4, then the average morning temperature would be:

1/4m=-4 divide both sides by 1/4

m= -4 / (1/4)=-4 x 4

m=-16C - average morning temperature in Calgary.

You are very welcome :)

The cos of an angle must be between -1 and +1

That's why it is invalid.

thank you Melody

Hi Katie-Leigh :)

Rate=11%=0.11

Interest= 19000×(1+0.11)^8-19000

Just answer ACCURATELY as many questions as you can. Other people will look at your answer, and if they find them satisfactory, then they will give you points on that answer.

51.1 = a8000^3

51.1=a. 5.12 x 10^11 divide both sides by 5.12 x 10^11

a=9.98046875 x 10^-11

\({-b \pm \sqrt{b^2-4ac} \over 2a}\)

It is the solution to any quadratic equations ax²+bx+c=0

None of the choices XD 

-12/5

Bad approximation of π

The better approximation of π: 3.1415926535897932384626433 with 25 decimal places(I recited it XD)

9x+35= -19

9x= -54

x= -6

8.5/π=diameter

area = π(8.5/2π)^2= 5.749cm²

Base length = 10 -6 = 4

Height = 6 

Therefore

Area

= 6x4/2

=12 m²

10000 x 5.3% x 4 = 2120

Where is the semi-circle?

Is it above the trapezoid or below the trapezoid?

If above the trapezoid:

\(\frac{4π}{2}+2(6)+10=22+2π\)

If below the trapezoid:

\(\frac{10π}{2}+2(6)+4=16+5π \)

\(\frac{5+6+10+6+10+6}{6}=\frac{43}{6}=7.16666666666667\)