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Leno4ka [110]
3 years ago
6

Which expression is equivalent to (3x + 4) - (7x + 2)?

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

Answer:

-4x - -2

Step-by-step explanation:

its hard to explain sorry

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The function P(x) = –0.015x^2 + 1.2x – 11.5 gives the profit, in thousands of dollars, when a company sells a new product at x d
dlinn [17]

Answer:

The profit decreases by $ 375 for every $ 1 increase in the selling price.

Step-by-step explanation:

From the definition of the secant line we get that the average rate of change of P(x) = -0.015\cdot x^{2}+1.2\cdot x -11.5, where x is the selling price of the product, measured in dollars per unit, is:

r = \frac{P(55)-P(50)}{55-50} (1)

Now we evaluate the function at each bound:

x = 50

P(50) = -0.015\cdot (50)^{2}+1.2\cdot (50)-11.5

P(50) = 11

x = 55

P(55) = -0.015\cdot (55)^{2}+1.2\cdot (55)-11.5

P(55) = 9.125

Then, the average rate of change is:

r = \frac{9.125-11}{55-50}

r = -0.375

Hence, the profit decreases by $ 375 for every $ 1 increase in the selling price.

8 0
2 years ago
If two angles of a triangle each measure 54 what is the measure of the third angle
galben [10]
Well what is 180-54-54 then you will have your answer because any triangle or straight line always equals 180
6 0
3 years ago
Which two grids can be combined to represent 140%?
umka2103 [35]
Can you make the a bit more clear
3 0
3 years ago
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stellarik [79]
65 percent don’t have a pet
5 0
3 years ago
If I buy 3 4/5kg of cherries and 2 1/4 of strawberry's what is the Mass kilograms of fruit
lisov135 [29]
If you would like to know how many kilograms of fruit do you have, you can calculate this using the following steps:

3 4/5 kg of cherries + 2 1/4 kg of strawberries = 3 4/5 + 2 1/4 = 19/5 + 9/4 = 76/20 + 45/20 = (76 + 45) / 20 = 121/20 = 6 1/20 kg of fruit

The correct result would be 6 1/20 kilograms of fruit.
3 0
3 years ago
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