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bixtya [17]
3 years ago
6

A truck that can carry no more than 6700 lb is being used to transport refrigerators and upright pianos. Each refrigerator weigh

s 250 lb and each piano weighs 475 lb. Write and graph an inequality to show how many refrigerators and how many pianos the truck could carry. Will 12 refrigerators and 9 pianos overload the​ truck? Explain.
Let x be the number of refrigerators in the truck and y be the number of pianos in the truck. Write an inequality to show how many refrigerators and how many pianos the truck could carry.
Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0
The inequality is [250x+475y] \leq [6700]. The answer to the question is yes the truck is overloaded because if you plug the in the inputs, 7275 is not less than or equal to 6700. 
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Answer:

x(y² - 4) = 1.512

Step-by-step explanation:

We need to evaluate the following expression for x = 0.2 and y = 3.4 :

x(y² - 4)

Put the values of x and y.

x(y² - 4) = (0.2)((3.4)² - 4)

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= 0.2×7.56

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3 years ago
We​ don't know f (x) but we do know that x = 1 is a critical number of f' (x) and we know f" (x)=12x. Use this information to de
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Answer:

relative minimum

Step-by-step explanation:

From f^''(x) = 12x we can take the integration to find out what f'(x) is:

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Furthermore, we can substitute x = 1 for f''(x) to find out whether it's positive or negative

f''(1) = 12*1 = 12 > 0

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4 0
3 years ago
Answer for me please
Elden [556K]

I don’t know about the first one the second one if it starts from the origin the point represents that it an proportional 3 is when they start together by seeing if it is x and y I don’t know if it is right

5 0
3 years ago
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Which graph represents a quadratic function that has no real zeros?
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Answer:

2nd graph (in the attached pics)

Step-by-step explanation:

Graphically, the <em>x-intercepts of the graph of a quadratic function are its zeroes. </em>

There can be

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Looking at the figures, the 2nd graph has no real zeroes, <em>because the graph doesn't cut the x-axis at all!</em>

<em />

So, the answer is the second graph.

5 0
3 years ago
Read 2 more answers
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