13. Solve the system of equation using substitution. 5x – 2y = 33 y = 7x – 39
1 answer:
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The Diameter of sphere is 2cm.
Step-by-step explanation:
Given,
Volume of sphere =
Let,
diameter = d
As we know,
Volume of sphere =
Therefore,
We know that,
Diameter = 2r
Diameter = 2*1
Diameter = 2 cm
The Diameter of sphere is 2cm.
Keywords: Volume, Diameter
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Answer:
Step-by-step explanation:
I am going to say that:
Mary's amount is x.
Ashley's amount is y.
Oscar's amount is z.
Mary has at least 3 times the amount of cash that ashley and oscar have combined
Ashley's and Oscar's combined amount is y + z.
3 times this amount is 3(y + z).
At least 3 times means that z is equal or greater than 3(y + z).
So