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2 years ago

What are the coordinates the vertex for the quadratic function below? f(x)=-5(x-10)^2-8

Mathematics

1 answer:

goldenfox [79]2 years ago

4 0

Answer:

D) (10,-8)

Step-by-step explanation:

The vertex form of the equation of a parabola is ...

f(x) = a(x -h)^2 +k . . . . . . for vertex (h, k) and scale factor "a"

Matching this pattern to the given equation, we see that ...

a = -5, h = 10, k = -8

so the vertex is (h, k) = (10, -8) . . . . . matches choice D

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a museum employee surveys a random sample of 350 visitors to the museum. Of those visitors, 266 stopped at the gift shop. Based

Naddika [18.5K]

1748 people are expected to stop at the gift shop out of 2300.

Step-by-step explanation:

Given,

Number of random sampled people = 350

Number of people who stopped at shop = 266

Percentage = $\frac{People\ stopped}{Total\ people}*100$

Percentage = $\frac{266}{350}*100=76\%$

Therefore,

76% people would stop at the gift stop.

Number of people = 2300

Expected number = 76% of total

Expected number = $\frac{76}{100}*2300$

Expected number = 1748

1748 people are expected to stop at the gift shop out of 2300.

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3 years ago

The measurement of the side of a RV is 469 inches the actual length is 480 inches what is the percent error

Ksivusya [100]

Answer:

Step-by-step explanation:

error in measurement = 480 - 469 = 11 inches

Percent error = error *100/actual length

= 11 * 100 /480 = 2.9%

6 0

3 years ago

jessica packed 1 inch cubes into a box with a volume of 144 cubic inches. how many layers of 1 inch cubes did jessica pack?

Dominik [7]

Your answer is 1 layer

5 0

2 years ago

Read 2 more answers

A game is being played with two players. There are 21 balloons and the player who pops the last balloon wins. One or two can be

34kurt

Answer:

be the second player, and always leave a multiple of 3 balloons

Step-by-step explanation:

In order to win, a player must force the other player to leave one or two balloons. To do that, the winning player must leave one more balloon than the maximum number that can be popped. That is, the winner will be the player who leaves 3 balloons,

Working backward, we find that the winner must leave a multiple of 3 after each turn. Since the starting number is a multiple of 3, the first player must lose if the second player plays optimally.

The winning strategy is ...

be the second player
always leave a multiple of 3 balloons.

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2 years ago

a leak is slowly draining water from a pool containing 324 gallons of water. How much water is remaining after 8 hours if it lea

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268 gallons are remaining. The equation would be y=324-7x, with x being 8. 7(8) is 56, and then you take away 56 from 324, which then gives you 268 gallons remaining

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2 years ago