Answer:
1/3 fraction of whole paint is used by mark
Step-by-step explanation:
Mark used 1/2 out of 3/2 cans.
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Answer:
(9/8)^-1 = 8/9
Step-by-step explanation:
To re write without an exponent means we will eliminate it's power.
This fraction came with the power of -1.
And when the power of a fraction or a whole number comes with power of -1 what it simply means it's the inverse of the number.
So let's evaluate the above fraction.
(9/8)^-1 = 1/(9/8)
(9/8)^-1 = 1*(8/9)
(9/8)^-1 = 8/9
Subtract 3 first so it would be 7x=15
then divide by 7 so x would be approximately 2.14
Answer:
17. C 60°
18. D 121°
Step-by-step explanation:
The external angle is half the difference of the intercepted arcs.
17. (161° -41°)/2 = 60°
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18. (? -59°)/2 = 31°
? = 59° +2(31°) = 121°