After multiplying both sides by 2, you will find that x= -1.78
Answer:
15.50x5+40.50x2 = $158.50
Step-by-step explanation:
She will buy 5 earrings and 2 pairs of necklaces
(15.50 x 5) + (40.50 x 2)
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Answer:
112.81 m.
Step-by-step explanation:
The pole and the tower and their shadows form 2 similar triangles so their corresponding sides are in the smae ratio.
Therefore we have the relation:
1.21 / 48.75 = 2.8 / x where x is the height of the tower.
Cross multiplying:
x = 2.8 * 48.75 / 1.21
= 112.81 m
Answer:
210
Step-by-step explanation:
Use Mr.Calculator by dividing 120 by 4 and then multiplying that by 7
Answer:
192π
Step-by-step explanation:
cylinder volume is base times height
2πr^2 = base = 64π
height = 3
64π*3 = 192π