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Sonja [21]
2 years ago
6

Which of the equations below could be the equation of this parabola?

Mathematics
1 answer:
ELEN [110]2 years ago
3 0

Answer:

C. y=-4x^2

Step-by-step explanation:

To eliminate a and b the parabola is a negative and neither one of those are negative. When the parabola is facing down its a negative.

To eliminate D the parabola is going down on the y-axis so it cant be d.

Which leaves us with C.

So the answer is indeed C.

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A kayak rental pavilion charges $15.00 per hour and $2.50 for a brief lesson on kayak safety. The total cost y to rent the kayak
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Answer:

Step-by-step explanation:

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3 years ago
1.) Vivian combined different amounts of white paint, blue paint, and green paint to make 145 milliliters (ml) of paint of a new
Ivahew [28]
So here are the answers to the given questions above:
1. Since the equation is already given, what we are going to do is to solve for x first. 
<span>x + (2x – 10) + 1/2 (2x – 10) = 145
x + (2x -10) + x - 5 = 145
x + 2x + x - 10 - 5 = 145
4x = 145 +10 + 5
4x = 160 <<divide both sides by 4 and we get
x = 40.
Therefore, the amount of white paint is 40ml.
The amount of blue paint is 70ml and the green paint is 35ml.
So the difference between the a</span><span>mounts of white paint and blue paint Vivian combined is 30ml.
2. T</span>he equation of the line that passes through the points (-2, 1) and (1, 10) would be: <span>3x - y = -7, the last option. In order to check, just plug in the given ordered pairs.</span>
3 0
3 years ago
What is 2+2 and what is your favorite song?<br>​
melomori [17]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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An investigator wants to assess whether the mean m = the weight of passengers flying on small planes exceeds the FAA guideline o
stira [4]

Answer:

H_{0}: \mu= 185 and H_{a}: \mu > 185

Step-by-step explanation:

The null hypothesis H_{0} states that a population parameter (such as the mean, the standard deviation, and so on) is equal to a hypothesized value. We can write the null hypothesis in the form H_{0}: parameter = value

In this context, the investigator's null hypothesis should be that the average total weight is no different than the reported value by the FAA. We can write it in this form H_{0}: \mu= 185.

The alternative hypothesis H_{a} states that a population parameter is smaller, greater, or different than the hypothesized value in the null hypothesis. We can write the alternative hypothesis in one of three forms

H_{a}: parameter > value\\H_{a}: parameter < value\\H_{a}: parameter \neq value

The investigator wants to know if the average weight of passengers flying on small planes exceeds the FAA guideline of the average total weight of 185 pounds. He should use H_{a}: \mu > 185 as his alternative hypothesis.

7 0
3 years ago
Combine these unlike fractions, then simplify. 4 2/3 - 2 2/5 need answer asap and plz explain
Zielflug [23.3K]

Answer: 2 4/5

Step-by-step explanation:

14/3 -  2 2/5

14/3 - 12/5

= 34/15

= 2 4/15

3 0
3 years ago
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