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Karo-lina-s [1.5K]
3 years ago
10

Mr. Toshi's fifth grade class sold

Mathematics
1 answer:
kozerog [31]3 years ago
3 0

Answer:

775

Step-by-step explanation:

If each day you subtract 25 you will get 200,175,125,275.. if you add them all together you'd get 775.

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Erica saw a skateboard on sale for $59.95 the original price of the skateboard was $79.95 what is the approximate percent discou
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Answer: 25%

Step-by-step explanation:

6 0
2 years ago
Find an expression which represents the difference when (10x-6y)(10x−6y) is subtracted from (7x-4y) in simplest terms.
ruslelena [56]
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5 0
3 years ago
SUppose the total cost C(x) to manufacture a quantity x of insecticide (in hundreds of liters) is given by
Hitman42 [59]

Answer:

a) C(x) is increasing in two regions: (i) (+\infty, 8\,s) and (ii) (10\,s,+\infty).

b) C(x) decreases in (8\,s, 10\,s).

Step-by-step explanation:

Let C(x) = x^{3}-27\cdot x^{2}+240\cdot x +850, where x is the quantity of insecticide, measured in hundreds of liters, and C(x) is the total manufacturing cost as a function of the quantity of the insecticide, measured in US dollars. A possible approach to determine which regions of C(x) are decreasing and increasing by means of the first derivative and graphing tools. The first derivative of the function is:

C'(x) = 3\cdot x^{2}-54\cdot x+240 (1)

Please notice that regions where C(x) is increasing has C'(x) > 0, whereas C'(x) < 0 when C(x) < 0.

We notice that C(x) is increasing in two regions: (i) (+\infty, 8\,s) and (ii) (10\,s,+\infty). Besides, C(x) decreases in (8\,s, 10\,s).

6 0
3 years ago
Another strategy for graphing a piecewise function is to use a table of values. The table below has a column for the input value
ELEN [110]

Answer:

Step-by-step explanation:

Q&A. Can more than one formula from a piecewise function be applied to a value in the domain? No. Each value corresponds to one equation in a piecewise formula.

6 0
2 years ago
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ryzh [129]

Answer:

Convection! :)

Step-by-step explanation:

5 0
3 years ago
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