Answer:
y=-2
Step-by-step explanation:
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Answer:
$(8967/n + 8.4)
Step-by-step explanation:
0.4nx + 0.6n(x+21) = 8967
nx + 12.6n = 8967
x = 8967/n - 12.6
x+21 = 8967/n + 8.4
Where n is the no. of balls
Example: if total balls were 300
n = 300
More expensive one would cost:
8967/300 + 8.4 = $38.29
Answer: 90 feet
Step-by-step explanation: 1y : 3f = 30y : 90f
Answer:
∡B = 60°
Step-by-step explanation:
find BC using Pythagorean Theorem:
5² + BC² = 10²
25 + BC² = 100
BC² = 75
BC =
BC = which is 5
this indicates that ∡B must be 60° because the ratio of sides in a 30-60-90 triangle are 1 : : 2
The first three are the ones