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Mathematics 7 Online
OpenStudy (anonymous):

Based on the figure below, what is the value of x? A right angle is shown divided in two parts. The measure of the angle of one part is 50 degrees and the measure of the other part is 5x plus 15 degrees. 5 7 11 15

OpenStudy (anonymous):

Well the picture doesn't accurately represent what is said in the problem

OpenStudy (anonymous):

wrong pic!!!!!!

OpenStudy (anonymous):

Haha thought so

OpenStudy (anonymous):

ok here now its right

OpenStudy (anonymous):

Well 5x+15 = 40 because 40 + 50 equals 90

OpenStudy (anonymous):

so subtract 15 from 40 40 - 15 = 25

OpenStudy (anonymous):

Then divide by 5 25/5 = 5

OpenStudy (anonymous):

0.0 wow

OpenStudy (anonymous):

ok here is another

OpenStudy (anonymous):

skip that

OpenStudy (anonymous):

What are the dimensions of the image at fraction 1 over 2 times its current size? Length = 4 inches, width = 5 inches Length = 6 inches, width = 8 inches Length = 10 inches, width = 12 inches Length = 16 inches, width = 20 inches

OpenStudy (anonymous):

OpenStudy (anonymous):

It's A

OpenStudy (anonymous):

how?

OpenStudy (anonymous):

Which of the following is the perimeter of the inner edge of the frame? (π = 3.14) 343.56 inches 289.56 inches 258.78 inches 204.78 inches

OpenStudy (anonymous):

now im stuck on this one

OpenStudy (anonymous):

>_<

OpenStudy (anonymous):

find the circumference of the half circle than multiply by two. then add that to 180 (the sum of the two sides of the rectangle)

OpenStudy (anonymous):

0.0

OpenStudy (anonymous):

o_O

OpenStudy (anonymous):

You know the formula for circumference right?

OpenStudy (anonymous):

π × diameter = 2 × π × radius

OpenStudy (anonymous):

i believe thats it

OpenStudy (anonymous):

skip that question

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