Answer:
it's easy..here have a look at it.
Idk this one but you’ll find it eventually
Formula for the circumference of a circle: C = pi x diameter
We are given the radius here, but we need the diameter. The diameter of a circle is equal to two times the radius.
diameter = 40 x 2 = 80 in
C = pi x 80
C = 80pi = 251.3 in
Hope this helps!! :)
The expression from the given options that is equivalent fraction -7/9 is -14/18.
<h3>What is a fraction?</h3>
Fraction can be described as the expression of numbers, which usually have the numerator and the denominator, and this do contains two integers arranged on each other.
From the given fraction,-7/9 if start o test the options by reducing them int their simplest form we will deduced that option B is correct because if we divide 14 by the factor of 2, and 18 by the factor of 2, then it will give us -7/9 which is a negative value of fraction in the question.
Therefore, option B is correct.
Learn more about fraction at:
brainly.com/question/11562149
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Check the complete options
A. 14/18
B. -14/18
C.21/27
D.35/45
Answer:
-5x+9=9
-5x+9-9=9-9
-5x=0
x= 0/5
x= 0
Step-by-step explanation:
