A player throws a football across the field. The equation h (x) = -16t^2 + 44t + 3.5 models the height, h, in feet, of the football as a function of time. t, in seconds. Ivan claims the football was thrown from an initial height of 3.5 feet with an initial velocity of 16 feet per second. Complete the statement to explain why ivan is incorrect

Answers

Answer 1

Answer:

A quadratic equation for the height of an object is written as:

h(t) = a*t^2 + b*t + c

We can derivate it with respect to the time to get the velocity:

v(t) = 2*a*t + b

We can derivate it with respect to the time to get the acceleration:

a(t) = 2*a

Then:

a = half of the acceleration. (the gravitational acceleration for problems like this)

b = initial vertical velocity.

c = initial height.

In our case we have:

h(t) = -16t^2 + 44t + 3.5

-16 is half of the acceleration, we know that the gravitational acceleration is:

g = 32ft/s^2, and we have a negative sign because the gravity pullls the ball downwards.

44 is the initial vertical velocity of the ball  (44ft/s)

3.5 is the initial height. (3.5ft)

Then the statement of Ivan is incorrect because the 16 does not represent the initial velocity


Related Questions

Please answer quickly

Answers

Answer:

a and c I think if I'm wrong I will try again

Answer:

The first and third option. (I think)

Step-by-step explanation:

idenify the slope and y-intercept of the function y=-2x+3

Answers

Answer:

The y-interept is 3 and the slope is -2.

Step-by-step explanation:

The y-intercept is always the "b" in y=mx+b

Answer:

Slope:  − 2

y-intercept:  ( 0 , 3 )

Step-by-step explanation:

ASAP 30 points and BRAINLIEST!! PLS!

Answers

Answer:

[tex]y+3=\frac{2}{5} (x+5)[/tex]

Step-by-step explanation:

First, let's find the slope using the 2 given points and the slope equation.

[tex]m=\frac{y2-y1}{x2-x1}[/tex]

Enter in the points:

[tex]m=\frac{-3--1}{-5-0}[/tex]

Simplify:

[tex]m=\frac{-2}{-5}[/tex]

[tex]m=\frac{2}{5}[/tex]

Now that we have slope we can just use one of the points given. Remember point-slope form:

[tex]y-y1=m(x-x1)[/tex]

I'll use the point (-5,-3) in this case.

So, your solution is

[tex]y+3=\frac{2}{5} (x+5)[/tex]

Hope this helps!

y+1=2/5(x+0) should be it

Clare cycled a total of 6.48 kilometers by making 4 trips to work. How many trips will Clare have to make to cycle a total of 8.1 kilometers?

Answers

Answer:

5 trips

Step-by-step explanation:

6.48 km = 4 trips

1 trip = 6.48km ÷ 4 trips

1.62km = 1trip

8.1 kilometers ÷ 1 trip = 8.1 kilometers ÷ 1.62km

8.1 kilometers = 5 trips

∴ 8.1kilometers covers 5 trips

Anya walked 7/10 km to the bank and then walked 3/4 km to the flower shop. What is the total distance Anya walked? Show your work. Write your answer as a mixed number.

Answers

Answer:

1 and 9/20

Step-by-step explanation:

add your fractions together 7/10 + 3/4

make them have the same denom 14/20 + 15/20

so its 29/20

to get the mixed fraction, divide 29/20 to get 1.45. The 1 is your whole number. Subtract 20 from 29 to get 9, which is what is remaining, and will go over 20.

the answer is 1 and 9/20

work:

7/10km = 14/20km

3/4km = 15/20km

15/20+14/20=29/20km

29/20 as a mixed number is 1 and 9/20.

PLEASE HELP!!
Cindi has $400 in her bank account. Each week she withdraws $15 for spending money. After how many weeks will her bank balance drop below $300?

Answers

I believe it is 27 weeks

Answer:

equation 400-15x. 7 weeks

Step-by-step explanation:

400-15x

The cost of fencing a square garden at the rate of Rs.5 per
metre is Rs. 2000. Find the total length of the fence.

Answers

[tex]\huge\underline{\overline{\mid{\bold{\red{ANSWER}}\mid}}}[/tex]

Cost per metre = Rs. 5

Total cost = Rs. 2000

Then total length of the fence = Rs.2000/Rs.5

= 400 metre

Total length of the fence = 400 metre

i really hate math so please

Answers

Answer:

personally i think c

Step-by-step explanation:

its because for the graph there is 90 and it has a point and when i used a calc i put the points and the a=18 so 90 eould be 18 again this what i think i am not really AMAZING at it but i get some of it for ex the chart equals it only equals a=5

Can somebody plz answer both questions! only if u done it before thanks!

WILL MARK BRAINLIEST WHOEVER ANSWERSS:DD

Answers

Answer:

48% is A and since i like quarters more than nickels and dimes its c for 30

Step-by-step explanation: Because I said so.

Answer:

To calculate the average you must add the percentages up and divide by the number of percentages. So, 52+28+34+95+16+63=288/6=48. The percentage is 48%.

For the second questions you take 100 divide by 3 since there are 3 coins and you get an 33.3%. But, since you can't have 0.3 of a coin. So, since you started with a nickel, you would end with a nickel giving you a percentage of 34% and the dimes and quarters a percentage of 33% each.

How do I solve this equation and check the solutions?

Answers

Answer:

The value of x is 10.

Step-by-step explanation:

The steps to do this :

[tex]x - \sqrt{2x + 5} = 5[/tex]

[tex]x - 5 = \sqrt{2x + 5} [/tex]

[tex] {(x - 5)}^{2} = {( \sqrt{2x + 5}) }^{2} [/tex]

[tex] {x}^{2} - 10x + 25 = 2x + 5[/tex]

[tex] {x}^{2} - 12x + 20 = 0[/tex]

[tex] {x}^{2} - 2x - 10x + 20 = 0[/tex]

[tex]x(x - 2) - 10(x - 2) = 0[/tex]

[tex](x - 2)(x - 10) = 0[/tex]

[tex]x = 2 \: (rejected)[/tex]

[tex]x = 10[/tex]

General admission tickets to the fair cost $5 per person. Ride passes cost an
additional $7.50 per person. Parking costs $16 for the family. The total costs for
ride passes and parking was $103.50. How many people in the family attended
the fair?

Answers

$103.50 - $16 = $87.5
total cost of admission and ride pass per person = $5 + $7.50 = $12.50

no. of people in the family = $87.50/$12.50
= 7

HELPPP
Solve the equation
log (2x-3)=2

Answers

Answer:

2.5 or 5/2

Step-by-step explanation:

2x-3=2

2x=5 (both sides plus 3)

x=5/2 or 2.5(divid by 2 on both sides)

I AM BEING TIMED HELP!!!
What is one main objective in the study of economics?

recognizing the types of services available to everyone
recognizing the relationship between producers and consumers
recognizing the reasons why consumers supply services
recognizing the difference between producers and consumers

Answers

Answer:

C

Step-by-step explanation:

3 5/8 to the nearest whole number

Answers

Answer:

4

Step-by-step explanation:

3 and 5/8 is closer to 4 then 3 easy

Can someone help me with this geometry proof?

Answers

Answer:

Step-by-step explanation:

IM LEARNING THIS TOO LOL

angle one and angle 2 are congruent because of the corresponding angles theorem

angles 2 and 3 are linear pair so 1 plus 2 equals 180

i believe you can use the transitive property

Please help!


Much appreciated if anyone would help x

Answers

A) 1/3
B) 1/9
HOPE THIS HELPS :)

101.101 correctly written out in words

Answers

Answer:

One hundred one and one hundred one thousandths

Step-by-step explanation:

Answer:

Step-by-step explanation:

basicliy he's saying c

wich is true:)

An airplane traveled 108 miles in 20 minutes? How long will it take to fly 162 miles?

a
30 min
b
25 min
c
8.1min
d
35 min



omg pls help me im giving like all my points out for this

Answers

Answer:

poopy

Step-by-step explanation:

Tee Hee

Answer:

a, 30 minutes

Step-by-step explanation:

108 divided by 20 is 54

162 divided by 54 is 30

The function g(x) is a transformation of f(x). If g(x) has a y-intercept of -2, which of the following functions could represent g(x)?

A. g(x) = f(x) - 5
B. g(x) = f(x - 5)
C. g(x) = f(x) - 2
D. g(x) = f(x + 2)

Answers

Answer:

A.

Step-by-step explanation:

It just is trust

Can someone help me with this question please ?

Answers

Answer:

16 i think

Step-by-step explanation:

Yeah I think maybe 16.

Solve for x. Round your answer to the nearest tenth if necessary.

Answers

Answer:

30.5

Step-by-step explanation:

cos18=29/x --> reciprocate for simplicity : 1/cos18=x/29 --> solve for x

Beetle cellular offers cellular phone service for 39.95 a month plus one cent a minute. Salamander digital offers cellular phone service for 9.95 a month plus five cents a minute. How many minutes would a person need to use a month for beetle cellular to cost the same as salamander digital

Answers

Answer:

750 minutes

Step-by-step explanation:

Let the number of minutes be represented as x

1 cent = 0.01

Beetle cellular offers cellular phone service for 39.95 a month plus one cent a minute.

$39.95 + 0.01x

Salamander digital offers cellular phone service for 9.95 a month plus five cents a minute.

$9.95 + 0.05x

How many minutes would a person need to use a month for beetle cellular to cost the same as salamander digital?

This is calculated as:

Beetle cellular = Salamander digital

$39.95 + 0.01x = $9.95 + 0.05x

Collect like terms

$39.95 - $9.95 = 0.05x - 0.01x

$30.00 = 0.04x

x = $30.00/0.04

x = 750 minutes

A person need to use 750 minutes a month for beetle cellular to cost the same as salamander digital.

slope = 2; y-intercept = -1
HELP PLS what's the answer

Answers

Answer:

The question is incomplete but I assume you want to find the equation of a straight line with those details. Well the equation of a straight line is y=mx+c where m is the slope and c is the y-intercept

Therefore y=2x-1 is the equation of the line

Answer:

y=2x-1

Step-by-step explanation:

BRAINLIEST PLSSS

HELP QUICKLY PLEASE!!
What are the coordinates of the endpoints of the midsegment for △JKL that is parallel to KL¯¯¯¯¯?

Enter your answers in the boxes

Answers

Answer:

Did you find the answer? I need help with this too

Step-by-step explanation:

What is the first step in evaluating (12.9 – 3.1) × 6.2 – 2 + 43

Answers

Answer:

101.76

Step-by-step explanation:

Answer:

(12.9 - 3.1) i'm in middle school so if i can do it you can

Step-by-step explanation:

I need help someone please

Answers

Answer: [tex]\frac{6}{2}[/tex]

Step-by-step explanation:

1. Use this [tex]\frac{f(b)-f(a)}{b-a}[/tex] to find the average rate of change

2. Average rate of change = [tex]\frac{f(8)-f(6)}{8-6}[/tex]

3. [tex]f(8) = - 4[/tex] and [tex]f(6) = -10[/tex] (To find these you will need to look at the points on the graph. So the points (8,-4) and (6,-10))

4. Replace -4 to f(8) and -10 to f(6)

5. So it will look like[tex]\frac{-4-(-10)}{8-6}[/tex]

6. Solve [tex]\frac{6}{2}[/tex]

given the graph g(x), find g(-6) ​

Answers

Answer:

+2

Step-by-step explanation:

Draw a vertical line through x = -6.  Determiene the corresponding y-value.  It is +2.  This is g(-6).

The value of the function g(x) when x = - 6, g(-6) is 2.

What is a function?

A function can be defined as the outputs for a given set of inputs.

The inputs of a function are known as the independent variable and the outputs of a function are known as the dependent variable.

Given, A function g(x).

Now, The value of the function g(-6) is the same as the value of the y-coordinate when the x-coordinate is - 6.

From the graph, we observe that when x = - 6, y = 2.

So, The value of g(-6) = 2.

learn more about functions here :

https://brainly.com/question/12431044

#SPJ2

the typicla size virus is about 0.000008 cm which can be written as 8*10n cm. what is n?

Answers

Answer:

[tex]10^{-6}[/tex]

Step-by-step explanation:

Start with 0000008.0

For each decimal place you move back, subtract the exponent (the n value of [tex]10^n[/tex]) by 1. In this case, we move back 6 places. This makes n = 6, giving us an answer of [tex]10^{-6}[/tex].

Answer: -6

Step-by-step explanation:

Kevin found his average number of text messages sent over three days using the expression below. Which statement best describes the number of the expression?

Answers

Answer:

option C.

Step-by-step explanation:

well the numerator is three. So I don't see why not.

Write a linear equation to represent this

Answers

I think is Y=5x+20
Hope you get it right!
:D
Other Questions
1.___________is the most important factor in determining the direction of development of acivilization. Which of the following statements correctly describes the function of cell parts?A. The cell membrane determines which type of cell will develop.B. The nucleus contains all the nutrients that the cell needs.C. The mitochondria are the power plants of the cell.D. The genes contain hemoglobin. A 50-year-old G3P3 comes to the office due to heavy periods, spotting between menses, fatigue and weakness. Over the past six to eight months, she has noticed a significant increase in the amount of her menstrual bleeding, currently requiring a box of 30 pads for each month. She has noticed an increase in the amount of blood clots and cramping pain during menses. Her previous history is significant for hypertension for 10 years, controlled with hydrochlorothiazide and a postpartum bilateral tubal ligation 20 years ago. She has no history of abnormal Pap smears and no sexually transmitted infections. Blood pressure is 138/84; pulse 82; respirations 20; weight 220 pounds; height 68 inches. On pelvic exam, uterus is approximately 10-week size. She is nontender on bimanual exam and no adnexal masses are appreciated. A Pap smear one month ago was normal, and her hematocrit is 29 and she is asymptomatic. What is the next best step in the management of this patient?A. HysterectomyB. Endometrial biopsyC. ErythropoietinD. Blood transfusionE. Endometrial ablation General admission tickets to the fair cost $5 per person. Ride passes cost anadditional $7.50 per person. Parking costs $16 for the family. The total costs forride passes and parking was $103.50. How many people in the family attendedthe fair? HELPPP Solve the equation log (2x-3)=2 Can someone help me with this geometry proof? 200. Un automvil se desplazahacia la izquierda convelocidad constante v,en el momento en que sedeja caer un saco de lastredesde un globo en reposo.El vector que representala velocidad del saco vistadesde el automvil en eseinstante en que se suelta es Lee la situacin y el dilogo. Despus, escoge la mejor expresin para completar la conversacin. Read the situation and the dialogue. Then select the best expression to complete the conversation.Two co-workers meet for the first time.Hola! Yo soy la seora Lpez. Cmo se llama usted?Buenos das! Yo me llamo seora Carmina.Mucho gusto.________.Based on the information provided, what would be a possible response from seora Carmina? Muy mal Ms o menos Encantado IgualmenteI feel like its Encantado but idkk PLEASE HELP ME!!!! :)What similarities and differences do you notice among the two types of metabolic reactions (dehydration synthesis & hydrolysis)? At the end of part one of Fahrenheit 451, Montag is not happy. Mildred claims to be very happy. This is a difference in how they feel internally. Do you think Mildred is really happy? Or do you think sheIs pretending to be? Explain your answer. which phrase best represents the U.S principle of republicanism Clare cycled a total of 6.48 kilometers by making 4 trips to work. How many trips will Clare have to make to cycle a total of 8.1 kilometers? Which is more electrically negative? 1)C 2)P or 3)SGUYS PLEASE HELP!!! :(( How pandemic affects your studies ? our community and to the world? PLEASE HELP!!Cindi has $400 in her bank account. Each week she withdraws $15 for spending money. After how many weeks will her bank balance drop below $300? HELP QUICKLY PLEASE!!What are the coordinates of the endpoints of the midsegment for JKL that is parallel to KL?Enter your answers in the boxes Please read the following and write a response that is 2-3 paragraphs in length. Each paragraph should be 5-7 sentences in length. Sticks and stones may break my bones, but words can never hurt me. This age-old adage has been passed down through the generations. Typically, its an offhand response from a parent to a child when someone has said something that hurt the childs feelings. After all, as long as theres no physical damage, then everything must be fine, right? Hurtful words are often treated as inconsequential. People assume they can be easily brushed aside and smoothed over with a flimsy apology on the part of the perpetrator. But the truth is, words can hurt in more ways than one and the effects often far outweigh any scrape or bruise. In todays world, our stories are no longer limited to simple word-of-mouth tales or even hard-bound books. Words are digital and far-reaching, passed around on websites, on social media, and in text messages. More often than not, the words we publish online are not really for the benefit of others, but for ourselves. Writer Gracy Olmstead says, in the world of internet and social media, another narrative has begun to reign supreme: namely, the self-narration. So, what happens when the words we use become more about self-gratification than genuinely helping or communicating with others? The result can be anything from shameless selfies to cyberbullying, and the effects are tangible. The Texas Education Code defines bullying as an act that exploits an imbalance of power and involves written or verbal expression. This has recently expanded to include digital forms of communication. These include sending vicious text messages, emails or instant messages, and spreading rumors or gossip by posting it to social networking sites. The sneaky thing about cyberbullying is that because its not physical, we underestimate its negative effects. With the anonymity and distance the internet provides, cyberbullies dont have to face the consequences of their actions, and often feel free to say whatever they want about others. History has proven that words can be just as potent weapons as if not more so than sticks and stones. During World War II, the Nazi regime employed propaganda to impress upon German civilians and soldiers that the Jews were not only subhuman but also dangerous enemies. The words of the German government became the defining narrative of an entire group of people. While this false propaganda seems a far cry from the problems facing teenagers today, they all demonstrate the impact of words. Novelist Chimamanda Ngozi Adichie put it simply when she said that the stories we tell are often about power. Power is the ability not just to tell the story of another person, but to make it the definitive story of that person, Adichie said. Perhaps the answer is not to fight to be heard, but rather to learn to listen. When we are empowered to tell our own stories or share our own points of view, our words can have positive, transformative effects. They can help people understand other experiences and see the world differently. Now that youve read about the effects words can have, what do you think? Has anyone ever said something about you that was hurtful or untrue? What did you do about it? How have you used words to solve a problem, bring people together, or share your own story? Why do words matter? Please help! Much appreciated if anyone would help x Maggie had $35.34. Then her mom gave her $7.50 for watching her younger brother. She was paid $23.15 for her old roller skates. How much money does Maggie have now? Which of the following graphs shows the set of points that represents the number of hours that Leahcan work in order to earn at least $120 and not work more than 20 hours per month?