(Y-Y1)/(X-X1)
(-9-(-29))/(7-15)
20/-8
-2 1/2
The slope is -2 1/2
Given that the ball has a thickness of 1 cm and the radius at the outside is 5 cm, thus the radius from inside is 5 - 1 = 4cm.
The <span>approximate volume of rubber used to make the ball is given by the volume of the ball at the outside surface minus the volume of the ball at the inside surface.
i.e.
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Answer:
170
Step-by-step explanation:
5/100 ×680
=34
20%=34what about 100%=?
(100×34)÷20
170
Answer:
The value of v is -17.
Step-by-step explanation:
10-(3v-1)=5(9-v)
10-3v+1=45-v
11-3v=45-v
11-45=3v-v
-34=2v
-34÷2=v
-17=v
$6.60 i think, i subtracted the total ($14.40) with the cost of the beads ($7.80) and came to the remaining cost of $6.60 to be spent