Write a system of equations and solve.
x + y = 10
5x + 10y = 90
Multiply and combine equations
-5x - 5y = -50
5x + 10y = 90
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5y = 40
y = 8
x = 2
There are 2 nickels and 8 dimes in the jar. Hope this helps! :)
Answer: No you can not make any triangles with 2 inches, 2 inches and 4 inches. hoped this helped!
Step-by-step explanation:
Answer:
X = 20.6 inches
Step-by-step explanation:
Pythagorean Theorem: 
A = 41.2 in, while B = 35.7 in and we are solving for C.


Now solve for C

Take the square root

Answer:
Divide
Step-by-step explanation:
im think you have to divide to find the height of the cylinder.
625 divide 9 = 69.44