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miss Akunina [59]
3 years ago
10

fred bags groceries at Wegman's. on average he fills 21 bags for every three customers what IS FREDS AVERAGE RATE OF CHANGE

Mathematics
2 answers:
melamori03 [73]3 years ago
8 0
After doing the math the answer is seven
Andre45 [30]3 years ago
4 0

Answer:

The rate of change will be the number of bags Fred fills for 1 customer.

Write a ratio.

21 : 3

x : 1

To solve for x, cross multiply.

3x : 21

Divide both sides by 3.

x = 7

Fred’s average rate of change is 7 bags.

:)

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Patricia, Luca and Dauda shared an amount of money such that, Patricia had twice as much
inn [45]

Answer:

GH 1533

Step-by-step explanation:

Let Dauda's share of the money=x

Patricia had twice as much  as Dauda, therefore:

Patricia's share=2x

Luca had GH 600.00 more than Dauda, therefore:

Luca's Share =x+600

If Patricia had GH 2,000.00

Then: 2x=2000

x=1000

Therefore:

  • Dauda's Share=GH 1000
  • Patricia's share=GH 2000
  • Luca's Share =1000+600=GH 1,600

Next, we determine the average share.

\text{Average Share=}\dfrac{1000+2000+1600}{3}\\=\dfrac{4600}{3}\\\\=$GH 1533.33\\\text{Average Share} \approx $GH 1533 (to the nearest GH)

5 0
3 years ago
Prove, using the second derivative, that the general quadratic y= ax^2+bx+c, is:
lozanna [386]

There are three things you have to know:

  • A function is convex when its second derivative f''(x)>0
  • A function is concave when it second derivative f''(x)
  • The derivative of a power, x^n, is nx^{n-1}

So, the first derivative is

y'=2ax+b

and the second derivative is

y''=2a

This implies that the second derivative of a parabola is constant, and of course that 2 doesn't change the sign of a.

3 0
3 years ago
If we have 25 m how many cm would that be?
BlackZzzverrR [31]
1m=100cm,
so 25 m=25*100=2500cm
3 0
3 years ago
What formula do we use to find area of a circle?
mixas84 [53]

Answer:

Your answer is A.

Step-by-step explanation:

When finding the area, you multiply π (3.14) and the radius (r). Then, you square the product (x2).

So, it is A = πr2

Hope this helps! :)

8 0
3 years ago
Read 2 more answers
Help me out please <3
tester [92]

ANSWER is Option C

Use 2πr = 2×3.14×6 = 37.68 inches

8 0
3 years ago
Read 2 more answers
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