3 years ago

What is the axis of symmetry for the graph of y-4x=7-x^2

Mathematics

1 answer:

STALIN [3.7K]3 years ago

7 0

It is symmetrical about the y axis

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2 years ago

A weather station on the top of a mountain reports that the temperature is currently 0 ∘ C and has been falling at a constant ra

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Answer:

After 2 hours: -6°C.

After 5 hours: -15°C.

After $\frac{1}{2}$ hours: -1.5°C

1 hour ago: 3°C.

3 hours ago: 9°C.

4.5 hours ago: 13.5°C.

To find these values, you simply need to multiply the hours elapsed by 3°C. Subtract from 0°C for future temperatures, and ADD to 0°C for the past.

Let's say you are solving for the temperature in 5 hours. All you need to do is:

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For the temperature 3 hours AGO, what you will need to do instead is:

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3 years ago

Stefan spends $6.50 on supplies for a lemonade stand and sells each cup of lemonade for $1.25. What is x, the number of cups of

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3 years ago

Find the measure of x.

Ratling [72]

<h3>Answer: B. x = 6</h3>

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Explanation:

Since the vertical lines are parallel, this means the alternate exterior angles shown are congruent.

Set them equal to each other and solve for x.

15(x+2) = 120

15x+30 = 120

15x = 120-30

15x = 90

x = 90/15

x = 6

Or we could have the steps like this

15(x+2) = 120

x+2 = 120/15

x+2 = 8

x = 8-2

x = 6

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2 years ago

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Answer:

b.300cm

Step-by-step explanation:

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3 years ago