Answer:
16%
Step-by-step explanation:
To find the percent, take the cost of the books over the total
336/2100
.16
Multiply by 100 to change to percent
16%
Answer:
M is equal to blank and blank should be the sqaure root
<h2>y = 8</h2><h2 />
y varies directly as x
y ∞ x
y=14 when x=3.5
y = kx
k is a constant, when multiplied by x, you get y
14 = 3.5k
Solve to find k:
14/3.5 = k
14/3.5 = 4
k = 4
y = 4x
Find y when x=2
y = 4x
y = 4(2)
<h2>y = 8</h2>
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The best and most correct answer among the choices provided by the question is <span>C. x over 520 = 5 over 13</span>.<span>
</span><span>
Hope my answer would be a great help for you.</span>
Answer:
See below
Step-by-step explanation:
Take 1/2 of the 'a' coefficient, square it and add it
a^2 -5a + (-2.5)^2 = -4 +(- 2.5^2)
(a - 2.5)^2 = 2.25