help please, help me

Answer:

twenty four dollars thirty cents

Answer:

g(t)= -16t^2 +80t

Step-by-step explanation:Should be

A function is a relationship between inputs where each input is related to exactly one output.

The function that can be used to describe the flight of the model rocket is

g(t) = -16t² + 80t.

A function is a relationship between inputs where each input is related to exactly one output.

Example: f(x) = 3x + 1 is a function

x = 1, f(1) = 3 + 1 = 4

We have,

A function that represents the height of an object.

g(t) = -16t² + vt + h

t = time in second

v = Initial velocity per second

h = Initial height

Initial velocity:

v = 80 feet per second

A model rocket is launched off the ground.

This means,

h = 0

Now,

Putting v = 80 and h = 0

g(t) = -16t² + vt + h

g(t) = -16t² + 80t + 0

g(t) = -16t² + 80t

Thus,

The function that can be used to describe the flight of the model rocket is

g(t) = -16t² + 80t.

Learn more about functions here:

https://brainly.com/question/28533782

#SPJ6

Answer:

20

Step-by-step explanation:

your welcome!!

Answer:

A

Step-by-step explanation:

A, to reflect in the y axis we take the negative x value and keep the y the same.

if my answer helps please mark as brainliest.

Answer:

d

Step-by-step explanation:

when using a calc. it comes out to 290.18, convert that to a remainder to get d; 290r3

please mark brainliest, need it for a new rank t y s m in advance

Answer:

[tex]x > - 2[/tex]

Step-by-step explanation:

[tex] - 18 < 9x[/tex]

[tex] - 2 < x[/tex]

Answer:

It is -2 < x

Step-by-step explanation: Because I did it on paper....

Answer:

37 + 74+ 11 +89 + 59 = 270 y este resultado lo vas a dividir por los números que son y son 5 números. La respuesta es 54

Answer:

The answer is A.

Step-by-step explanation:

Answer:

-1

Step-by-step explanation:

4x - 4y = -10

4x - 4y + 9 = -1

Answer:

Step-by-step explanation:

Step-by-step explanation:

1. Not a function There is no correlation plus there is two y values for the same x.

2.Not a function, There is two y values for the same x

3.Yes, you can draw a linear line through the points to represent the equation, also there is one x for one y.

4.Yes, this is a step function. It seems there are two y values for same x. but the shaded circle means to include it and the open circle means dont include it so it is a function.

5.No, this is a parabola but this function has two y values for the same x

6. Yes, this is a absolute value function and there is multiple x values for the same y so it IS a function

Graph 3,6,4 represents a function because the x’s do not repeat and it passes the vertical line test. Which means 1,2,5 is not a function because the x's do repeat and it does not pass the vertical line test

Hope this helps

Have a great day/night

Feel free to ask any questions

The Answer is C

Also 37%

______________________________

 - We combine the [tex](x)[/tex] variables because to get to the end sum of the equation, there can only be 1 variable. So to get the 1, you combine like terms.

 - We do this to get 1 number left over. To do this you do the opposite of what you see. In this case we have a negative 19, so you add 19 on each side of the equals.

 - We do this to get x alone. To do this you do the opposite of what you see. In this case we have [tex]4(x)[/tex] which is multiplying, so you divide by 4 on each side.

So your answer is [tex]\bold{x=9}[/tex].

______________________________

Answer:

Mean :31.66

Median:35.5

Mode:35.5

Step-by-step explanation:

(hope this helps can i plz have brainlist :D hehe)

Answer:

22×2=44

33×2=66

44×2=88

55×2=110

Answer:

^Refer to explanation:

Step-by-step explanation:

11 gold stars = 22 books

1 gold star = 22 ÷ 11 = 2

22 gold stars = 2 x 22 = 44 books

33 gold stars = 2 x 33 = 66 books

44 gold stars = 2 x 44 = 88 books

55 gold stars = 2 x 55 = 110 books

Answer:

a line parallel has the same slope and different y-intercept, and the slope of the perpendicular line would be -3/5

Step-by-step explanation:

3x + 5y = 4

5y = -3x + 4

y = -3/5x + 4/5

Answer:

(a) Mean and Median of type A

[tex]\bar x = 2145.47[/tex]

[tex]Median = 966[/tex]

(b) Mean and Median of type B

[tex]\bar x = 531.73[/tex]

[tex]Median = 366[/tex]

(c) The claim by the public health worker is true.

Step-by-step explanation:

Given

[tex]Type\ A: 38\ 100\ 186\ 199\ 253\ 380\ 595\ 966\ 1611\ 2638\ 3845\ 4931\ 5183\ 5367\ 5890[/tex]

[tex]Type\ B: 59\ 95\ 116\ 143\ 156\ 225\ 271\ 366\ 495\ 696\ 851\ 1060\ 1140\ 1101\ 1202[/tex]

[tex]n = 15[/tex]

Solving (a): The mean and median of A.

Mean is calculated using:

[tex]\bar x = \frac{\sum x}{n}[/tex]

[tex]\bar x = \frac{38 +100 +186 +199+ 253+ 380+ 595+ 966 +1611 +2638 +3845+ 4931+ 5183 +5367 +5890 }{15}[/tex]

[tex]\bar x = \frac{32182}{15}[/tex]

[tex]\bar x = 2145.47[/tex]

The median is calculated using:

[tex]Median = \frac{n+1}{2}th[/tex]

[tex]Median = \frac{15+1}{2}th[/tex]

[tex]Median = \frac{16}{2}th[/tex]

[tex]Median = 8th[/tex]

The 8th item is: 966

So:

[tex]Median = 966[/tex]

Solving (b): The mean and median of B.

Mean is calculated using:

[tex]\bar x = \frac{\sum x}{n}[/tex]

[tex]\bar x = \frac{59 +95 +116+ 143+ 156+ 225+ 271+ 366+ 495 +696+ 851+ 1060+ 1140 +1101+ 1202}{15}[/tex]

[tex]\bar x = \frac{7976}{15}[/tex]

[tex]\bar x = 531.73[/tex]

The median is calculated using:

[tex]Median = \frac{n+1}{2}th[/tex]

[tex]Median = \frac{15+1}{2}th[/tex]

[tex]Median = \frac{16}{2}th[/tex]

[tex]Median = 8th[/tex]

The 8th item is: 366

So:

[tex]Median = 366[/tex]

(c) The claim by the public health worker is true.

To do this, we simply compare the mean value of both types.

For Type A

[tex]\bar x = 2145.47[/tex]

For Type B

[tex]\bar x = 531.73[/tex]

The claim is:

[tex]Type\ A > 2 * Type B[/tex]

[tex]2145.47 > 2 * 531.73[/tex]

[tex]2145.47 > 1063.46[/tex]

Since the inequality is true, then the claim is true

Answer:

Simplify

(

x

−

3

)

(

x

+

2

)

(

x

+

3

)

.

f

(

x

)

=

x

3

+

2

x

2

−

9

x

−

18

Step-by-step explanation:

=23.6

[tex]v = \pi {r}^{2} \frac{h}{3} = \pi {1.5}^{2} \frac{10}{3} = 23.56 \: {yd}^{3} [/tex]

Answer:

1. 28 days

2. Mia

Answer: 9

Step-by-step explanation:

s = 7

k = 4

x = 6

7 - 4 + 6

3 + 6

9

Answer:

H0 : μ2004 - μ2000 = 0

Step-by-step explanation:

Given the data:

Year ________: 2000 ___ 2004

Mean ________ 27.34 ___ 48.12

Std. Dev _______10.11 ____ 19.23

Unweighted n 43 54

The hypothesis is to test if there was a significant difference in the average number of hours worked in a week from 2000 to 2004 ;

Hence, the null hypothesis will negate the hypothesis, that is there is no difference in the average hours worked in a week from 2000 to 2004

Null hypothesis ; H0 : μ2 - μ1 = 0

Alternative hypothesis ; H1 : μ2 - μ1 ≠ 0

Null hypothesis suggest that there is no significant relationship exist in the given set of single observed variable.. As the null hypothesis negate the hypothesis. Hence the difference is zero and hypothesis for the given problem is,

[tex]H_0; (\mu_1-\mu_2)=0[/tex]

[tex]H_a; (\mu_1-\mu_2)\neq 0[/tex]

For year                     2000         2004

Mean                          27.34          48.12

Standard Deviation   10.11          19.23

Unweighted n             43              54

Null hypothesis suggest that there is no significant relationship exist in the given set of single observed variable.

Now the Analyst want to know if there was a significant difference in the average of hours worked in a week from year 2000 to 2004.

To detect a difference (if there it is) between the average of hours worked in a week from 2000 to 2000, it should be test the null hypothesis that there is no difference between the means against the alternative hypothesis. Therefore,

[tex]H_0; (\mu_1-\mu_2)=D_0=0[/tex]

Versus

[tex]H_a; (\mu_1-\mu_2)\neq 0[/tex]

As the null hypothesis negate the hypothesis. Hence the difference is zero and hypothesis for the given problem is,

[tex]H_0; (\mu_1-\mu_2)=0[/tex]

[tex]H_a; (\mu_1-\mu_2)\neq 0[/tex]

learn more about the null hypothesis here;

https://brainly.com/question/4454077

Answer:

10

Step-by-step explanation:

cost/class = cost per class

50/10 = $5 per class

Answer:

The answer is 10

Step-by-step explanation:

Because 50 divided by 10 is 5 and 5 x 10 is 50 which means he payed $50 for 10 classes and $5 for just one. :) You dhould give me brainliest :p

Answer:

11+15x

Step-by-step explanation:

combine 14 - 3 and 8x + 7x = 11 + 15x

Answer:

Step-by-step explanation:

Step-by-step explanation:

[tex]y = a {b}^{x} \\ approximately \\ y=25.9*1.278^x[/tex]