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2 years ago

First answer gets brainiest. hurry Please

Mathematics

1 answer:

Bad White [126]2 years ago

6 0

Answer:

Theory: g is the parent, y is the child, and x is the supporting number in the formula's syntax.

Step-by-step explanation:

-4(x a number) - 6 = -5(y a number) + 2.

basically g(x) is g times x equals y, which is the supporting factor in this equation.

hope this helps if not I can try to make it right!

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What is the area of this shape?

AlexFokin [52]

Answer: 10

Step-by-step explanation:

You times 4 and 5 then you divide in half because it is a triangle

5 0

3 years ago

The height of a ball thrown vertically upward from a rooftop is modelled by h(t)= -4.8t^2 + 19.9t +55.3 where h (t) is the balls

nikitadnepr [17]

By applying the quadratic formula and discriminant of the quadratic formula, we find that the maximum height of the ball is equal to 75.926 meters.

<h3>How to determine the maximum height of the ball</h3>

Herein we have a quadratic equation that models the height of a ball in time and the maximum height represents the vertex of the parabola, hence we must use the quadratic formula for the following expression:

- 4.8 · t² + 19.9 · t + (55.3 - h) = 0

The height of the ball is a maximum when the discriminant is equal to zero:

19.9² - 4 · (- 4.8) · (55.3 - h) = 0

396.01 + 19.2 · (55.3 - h) = 0

19.2 · (55.3 - h) = -396.01

55.3 - h = -20.626

h = 55.3 + 20.626

h = 75.926 m

By applying the quadratic formula and discriminant of the quadratic formula, we find that the maximum height of the ball is equal to 75.926 meters.

To learn more on quadratic equations: brainly.com/question/17177510

#SPJ1

6 0

1 year ago

Do Audience Ratings Differ Based on the Genre of the Movie? The dataset HollywoodMovies includes a quantitative variable on the

Juli2301 [7.4K]

Answer:

Step-by-step explanation:

Hello!

(a) Which genre has the highest mean audience score? The lowest mean audience score?

1) Action $\frac{}{X}_1$ = 58.63

2) Comedy $\frac{}{X}_2$ = 59.11

3) Drama $\frac{}{X} _3$ = 72.10

4) Horror $\frac{}{X}_4$ = 48.65

The lowest mean score is $\frac{}{X}_4$ = 48.65

The highest mean score is $\frac{}{X} _3$ = 72.10

(b) Which genre has the highest median score? The lowest median score?

1) Action Me₁= 51.00

2) Comedy Me₂= 58.00

3) Drama Me₃= 72.00

4) Horror Me₄= 52.00

The Lowest median is Me₁= 51.00

The Highest median is Me₃= 72.00

(c) In which genre is the lowest score, and what is that score? In which genre is the highest score, and what is that score?

Lowest or minimum scores:

1) Action 32.00

2) Comedy 31.00

3) Drama 46.00

4) Horror 25.00

The genre with the lowest score is "Comedy"

Highest or maximum scores:

1) Action 93.00

2) Comedy 93.00

3) Drama 91.00

4) Horror 78.00

There are two genres with the highest score "Action" and "Comedy"

(d) Which genre has the largest number of movies in that category?

The number of movies for each category corresponds to the sample sizes:

1) Action n₁= 32

2) Comedy n₂= 27

3) Drama n₃= 21

4) Horror n₄= 17

The largest number of movies sampled was for the genre "Action"

(e) Calculate the difference in mean score between comedies and horror movies, and give notation with your answer, using i, for the mean comedy score and, for the mean horror score.

Comedy $\frac{}{X}_C$ = 59.11

Horror $\frac{}{X}_H$ = 48.65

$\frac{}{X}_C$ - $\frac{}{X}_H$ = 59.11 - 48.65= 10.46

I hope this helps!

5 0

3 years ago

Which table shows a function that is decreasing only over the interval (-1, ")?

3241004551 [841]

The answer is x bc when you decreasing the interval f(x) it will equal (-2)

7 0

3 years ago

Read 2 more answers

Find the area of each regular polygon. Round your answer to the nearest tenth if necessary.

tatuchka [14]

*I am assuming that the hexagons in all questions are regular and the triangle in (24) is equilateral*

(21)

Area of a Regular Hexagon: $\frac{3\sqrt{3}}{2}(side)^{2} = \frac{3\sqrt{3}}{2}*(\frac{20\sqrt{3} }{3} )^{2} =200\sqrt{3}$ square units

(22)

Similar to (21)

Area = $216\sqrt{3}$ square units

(23)

For this case, we will have to consider the relation between the side and inradius of the hexagon. Since, a hexagon is basically a combination of six equilateral triangles, the inradius of the hexagon is basically the altitude of one of the six equilateral triangles. The relation between altitude of an equilateral triangle and its side is given by:

$altitude=\frac{\sqrt{3}}{2}*side$