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Sholpan [36]
3 years ago
12

Find the percent of change. Where necessary, round to the nearest percent. Describe the percent of change as a percent of increa

se or decrease.
57,000 people to 97,000 people
Mathematics
1 answer:
deff fn [24]3 years ago
6 0
70.17543859649122 percent change , rounded would be 70%, it is a 70% increase, as it goes to 57,000 to 97,000
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What is 121 divided by 11
gizmo_the_mogwai [7]
11 is your answer because 11* 11 is 121
4 0
3 years ago
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The cost, C, to produce b baseball bats per day is modeled by the function C(b) = 0.06b2 – 7.2b + 390. What number of bats shoul
kozerog [31]

Check the picture below, that's just an example of a parabola opening upwards.

so the cost equation C(b), which is a quadratic with a positive leading term's coefficient, has the graph of a parabola like the one in the picture, so the cost goes down and down and down, reaches the vertex or namely the minimum, and then goes back up.

bearing in mind that the quantity will be on the x-axis and the cost amount is over the y-axis, what are the coordinates of the vertex of this parabola?  namely, at what cost for how many bats?

\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ C(b) = \stackrel{\stackrel{a}{\downarrow }}{0.06}b^2\stackrel{\stackrel{b}{\downarrow }}{-7.2}b\stackrel{\stackrel{c}{\downarrow }}{+390} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right)

\bf \left( -\cfrac{-7.2}{2(0.06)}~~,~~390-\cfrac{(-7.2)^2}{4(0.06)} \right)\implies (60~~,~~390-216) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill (\stackrel{\textit{number of bats}}{60}~~,~~\stackrel{\textit{total cost}}{174})~\hfill

6 0
3 years ago
What is the gcf of 4y-28​
Elenna [48]

Answer:

4(y-7)

Step-by-step explanation:

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4 0
3 years ago
Please help me with this I will give brainliest please answer it right
weeeeeb [17]

Answer:

A

Step-by-step explanation:

RR, RY, RG, RP, YY, YG, YP, YR, GG,GP, GR, PP, PR, PY, PG.

All combinations of the four colors are provided in Option A as written out above. The other options are missing combinations.

I hope I helped, Would appreciate Brainliest! ;)

6 0
3 years ago
A home improvement store advertises 60 square feet of flooring for $287.00 including an $80.00 installation fee. Write an equati
tia_tia [17]
60 square feet for 287 = 287/60 = 4.78 per square foot

so ur equation would be : y = 4.78x + 80....where x is the number of square feet and y is the total cost
8 0
3 years ago
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