Velocity If a stone is dropped from a height of 350 feet, its height after t seconds is given by
s = 350 − 16t2.
Find its instantaneous velocity function.
v(t) =

Find its velocity at time t = 3.
v(3) =

Answers

Answer 1

See picture for math work and answer.

Velocity If A Stone Is Dropped From A Height Of 350 Feet, Its Height After T Seconds Is Given By S =

Related Questions


PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((

Answers

The answer is 14 Hope that this helps ;)

To make the expression 4x−2+□(2x+4) equivalent to 2(6x+7), what must be the value in the box?

Answers

Answer: 4 goes into the box!!

Step-by-step explanation:

Answer:

yo add AlexGot_u on ps4

Step-by-step explanation:

HELP ME ILL GIVE YOU BRAINLY IF U GET IT RIGHT AND EXPLAIN HOW PLEASE

Answers

So rectangles have 90 degree angles (corners).

So if that corner is split you have to make it equal 90 degrees.
90-31=59 degrees

If you want to find angle CBA you add all the angle you know so far up.

90+59=149 degrees

Triangles have to add up to 180 degree so
180-149= 31 degrees


Answer is 31 degrees

Answer:

59

Step-by-step explanation:

A is a 90 degree angle, we can see the other side is 31

so we subtract 90-31=59

1) To make plaster, Kevin mixes 3 cups of water with 4 pounds of plaster powder. Complete the table.
How much water will Kevin mix with 20 pounds of powder?

Answers

15 I think
Bruh this isn’t letting me submit the answer....

Can anyone help me here this is a mastery test by the way. Too tired to type it out so I put a photo.


^
|

Answers

Answer:

1st Question is 22r4

2nd Question is 22r16

3rd Question is 11r11

4th Question is 11r30

Step-by-step explanation:

Hope this helps. I'll give you my energy.

Find the next two terms in this sequence. -900, 300,-100,_,_? Please I need help

Answers

Answer: 500

Step-by-step explanation: it increases and decrease in a pattern so -900+600= 300-600= -100+600=500

I'm having trouble finding the x-intercepts AND the y-intercept, could some help and explain there work?? :)))) thank you!!
f(x)= x^3 - 4x^2 - 11x + 30

Answers

Hello,

[tex]f(x)=x^3-4x^2-11x+30 \\\\f(0)=30[/tex]

so y-intercept is (0,30)

The product of the roots are -30 = 2 * 5 * -3, and the sum is 4 = 2 + 5 - 3 , so we can factorise

[tex]f(x)=x^3-4x^2-11x+30 \\\\f(x)=0 \\\\<=> x^3-4x^2-11x+30=(x+3)(x-2)(x-5)=0\\\\<=> x=-3 \ or \ x=2 \ or \ x=5[/tex]

x-intercepts are (-3,0) (2,0) and (5,0)

thanks

How to find the perimeter and area of 7.7m, 2.8m, 9.7m, 4​

Answers

Perimeter=34.8m
Area=49.16m^2

Answer: perimeter = 26.8

              area = 49.16

Step-by-step explanation:

perimeter:

Rectangle one:

add 9.7 + 9.7 + 4 + 4 because there is 4 sides = 27.4

Rectangle 2:

2.8 + 2.8 + 3.7 +3.7 = 13

Add them together: 27.4 + 13 = 40.4

           

area :

rectangle one:

multiply 4 x 9.7 = 38.8

rectangle two:

multiply 3.7 x 2.8 = 10.36

add them together: 10.36 + 38.8 = 49.16

The distance between City A and City B is 200 miles. A length of 2.1 feet represents this distance on a certain wall map. City C and City D are 3.15 feet apart on this map. What is the actual distance between City C and City​

Answers

Answer:

300 miles

Step-by-step explanation:

200/2.1= 95.238...

95.238...*3.15=300

Hope this helps :)

The actual distance between City C and City​ D will be 300 miles.

What is dilation?

Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered. There is no effect of dilation on the angle.

The distance between City A and City B is 200 miles. A length of 2.1 feet represents this distance on a certain wall map. Then the scale factor is given as,

Scale factor = 200 / 2.1 miles per foot

City C and City D are 3.15 feet apart on this map. Then the actual distance is given as,

Distance = 3.15 x 200 / 2.1

Distance = 1.5 x 200

Distance = 300 miles

The actual distance between City C and City​ D will be 300 miles.

More about the dilation link is given below.

https://brainly.com/question/2856466

#SPJ2

A wave has a frequency of 50Hz and a wavelength of 10m. What is the speed of the wave? Given:
Unknown:
Formula:
Solution:
Final answer:​

Answers

Answer:

formula 8.334

Step-by-step explanation: formula 8.334 so

The probability that an event will occur is 9/10. Which of these best describes the likelihood of the event occurring?

Answers

Answer:

Likely

Step-by-step explanation:

The odds are in favor of it, but it hasn't been proven.

someone help please answer asap

Answers

Answer:

[tex]g(x) = 5x^2[/tex]

Step-by-step explanation:

In the equation x^2, when x = 1, y = 1. But in g(x), when x is 1, y is 5. Since g(x) is a scaled version of x^2, we can conclude that g(x) is 5 times x^2.

Therefore, [tex]g(x) = 5x^2[/tex].

I hope this helped you.

. . .Step-by-step explanation:

pls help this is super hard. i really appreciate it

Answers

Answer:

e,4,14

Step-by-step explanation:

The answer is e, 4 and 14.

22 - 3 × 6 + 5^2
A.
38
B.
139
C.
29
D.
65

Answers

Answer:

C. 29

Step-by-step explanation:

22 - 3 × 6 + 2522 - 18 + 254 + 2529

Two angles are supplementary if their sum is 180 degrees

Answers

Answer:

maybe 80 degrees and 100? might be wrong dont count on me fully

Step-by-step explanation:

yo whats 3/4 x 8/15 im simplest form

Answers

The answer is 2/5 (the original answer that I simplified was 24/60 so I turned that number into its simplest form which is 2/5)

Answer:

2/5

Step-by-step explanation:

3*8=24, and 4*15=60,fraction now becomes 24/60 simplied by 12 (24/60 divide by 12 both factors) equals 2/5

a square room has a floor area of "100" square feet. the height of the room is 6 feet what is the area of one wall

Answers

Answer:

Its 60

Step-by-step explanation: 10x10=100 so 10x6=60

                                                Did that help you???

The area of one wall of the square room is 60 sq. feet.

What is the area of a square?

The area of a square is the square of its side.

If the length of a side of a square is a unit, then its area is

Area = a² sq. units.

How to solve the question?

In the question, we are informed that a square room has a floor area of 100 sq. feet, and its height is 6 feet.

We are asked to find the area of one wall.

The floor of the room is given a square. We let the length of the side of that square be 'a' units.

Then, its area is a² sq. units.

We are given that the area of the floor is 100 sq. feet.

So, we can write the equation as:

a² = 100 sq. feet,

or, a = 10 feet.

The height of the room is given as 6 feet.

Therefore, the area of a wall is 10*6 sq. feet = 60 sq. feet.

As the floor is rectangular in shape, with dimensions 10 and 6.

Therefore, the area of one wall of the square room is 60 sq. feet.

Learn more about the area of a square at

https://brainly.com/question/26418430

#SPJ2

Find the complement of ∠DEF.

Answers

Answer:  Choice B) 14 degrees

Explanation:

Complementary angles add to 90 degrees

This means the answer we're after is 90 - (angle DEF) = 90-76 = 14

Answer is B

Complement means two angles that have the sum of 90°

90 - 76 = 14

so that would mean 14° is the correct answer

Solve for h.
A=3h
Can anyone help me?

Answers

Answer:

h = 3/A

Step-by-step explanation:

A = 3h

Divide both sides by 3 to isolate h:

A/3 = 3h/3

Simplify and get

A/3 = h or h = A/3

Hope this helps!

IT cost $11 for 15 granola bars.

What is the unit price , un dollars per granila bar , rouned to the nearest hundredth.?​

Answers

Answer:

$1.36

Step-by-step explanation:

Answer: yee yee nation

Step-by-step explanation:

Can anyone solve 8,9 and 10 please

Answers

Answer:

8=90,000,000,000

9=250,000,000,000

10=360,000,000,000

(8) (3000)2 = 3000 x 3000
= 9000000

(9) (5000)2 = 5000 x 5000
= 25000000

(10) (6000)2 = 6000 x 6000
= 36000000

A triangle is reflected over the y-axis. Which drawing shows a correct reflection?
A
B
С
D
А A
B
oc
D

Answers

Answer:

C

Step-by-step explanation:

Answer:

The answer your looking for is (most likely) C.

Step-by-step explanation:

If you had a mirror on the y-axis, the reflection of the pre-image triangle would be the image. The y-axis, called the line of reflection, is the line of symmetry for the two triangles. Triangle 1 is called the pre-image, and the reflected triangle is called the image.

Avoiding an accident when driving can depend on reaction time. That time, measured in seconds from the moment the driver see danger until they step on the brake pedal, can be described by the Normal model with a mean of 1.5 seconds and a standard deviation of 0.18 seconds.

Note that this scenario is talking about a population distribution. There is no discussion of a sample or sample size. Therefore, you do not need to adjust the standard deviation that is given before using the normalcdf and invNorm commands.



a) What percent of drivers have a reaction time greater than 1.8 seconds?

Give the command and values you used as a way of showing your work:

Give your final answer rounded to 2 decimal places:



b) Describe the reaction time of the slowest 10% of all drivers? (Hint: The slower a person reacts, the higher their reaction time so this is looking at the right tail of the distribution)

Give the command and values you used as a way of showing your work:

Give your final answer rounded to 2 decimal places:

Answers

Using the normal distribution, it is found that:

a) 4.75% of drivers have a reaction time greater than 1.8 seconds.

b) The reaction time is of at least 1.73 seconds.

Normal Probability Distribution

In a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

It measures how many standard deviations the measure is from the mean. After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem, the mean and the standard deviation are given by, respectively:

[tex]\mu = 1.5, \sigma = 0.18[/tex]

Item a:

The proportion is one subtracted by the p-value of Z when X = 1.8, hence:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{1.8 - 1.5}{0.18}[/tex]

[tex]Z = 1.67[/tex]

[tex]Z = 1.67[/tex] has a p-value of 0.9525.

1 - 0.9525 = 0.0475 = 4.75%.

4.75% of drivers have a reaction time greater than 1.8 seconds.

Item b:

The reaction time is of at least X seconds, in which X is the 90th percentile, that is, X when Z = 1.28, hence:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]1.28 = \frac{X - 1.5}{0.18}[/tex]

[tex]X - 1.5 = 1.28(0.18)[/tex]

[tex]X = 1.73[/tex]

The reaction time is of at least 1.73 seconds.

More can be learned about the normal distribution at https://brainly.com/question/24663213

can somebody please teach me how to do compound inequalities?
i don't need a certain equation to be done, i just need to know how to do it. :)


pls help!...​

Answers

Answer:?

Step-by-step explanation:

Answer:

Desmos Practice Worksheetdyh.astromirasole.it › desmos-practice-worksheet

Multiplying and Dividing Polynomials Worksheet Answer Key Poly Want a ... Desmos is a graphing calculator that can be accessed through any web ... Activity: Compound Inequalities on the Number Line

How do u work out
65% of 8700

Answers

First off, you have to make 65 % into an actual number, which is 0.65 (every time you want to convert percentages into numbers, you have to divide that by 100)

Now

0.65 * 8700 = 5655

Answer:  5655

two years ago the cats tim and tom were toghether 15 years old.Now tom is 13 years old.In how many years will tim be 9 years old?

Answers

Answer:

  3 years

Step-by-step explanation:

As with many age problems, you can reason it without equations. If Tom is 13 now, 2 years ago he was 11. If the total age of the two cats at that time was 15, then Tim was 15 -11 = 4.

That means Tim is now 4+2 = 6, so will be 9 in 3 years.

_____

Additional comment

If you want to write equations, there are several ways you can do it. We often like to use variables to represent the current age. We can assign ...

  x = Tim's current age; y = Tom's current age.

The sum of their ages 2 years ago was ...

  (x -2) +(y -2) = 15

Tom's current age is 13, so we have y=13. Using that in the equation gives ...

  x -2 +13 -2 = 15

  x = 6 . . . . . . . . . . subtract 9, collect terms

That's Tim's current age, so Tim will be 9 years old in 3 years.

How many 7 digits numbers are there?

Answers

Answer:

9000000 seven

There are 9000000 seven-digit numbers.

Step-by-step explanation:

please mark me brainliest

Answer:

9000000 seven

Step-by-step explanation:

There are 9000000 seven-digit numbers.

Answer provided by Education Point

if f(x)=1/x and g(x) = X+4, which of the following is the graph of (gºf)(x)?

Answers

Answer:

See attached graph

Step-by-step explanation:

[tex]f(x)=\frac{1}{x}\\ \\g(x)=x+4\\\\(g\circ f)(x)=g(f(x))=g(\frac{1}{x})=\frac{1}{x}+4[/tex]

I cannot see all of the options, so I attached a graph of the correct graph for you to match up your options with.

Greg wants to estimate the percentage of people who lease a car. He surveys 340 individuals and finds out that 90lease a car

Answers

Answer:

26.47%

Step-by-step explanation:

Total individual =340

Individual who lease car=90

Now,

90 out of 340 people lease car.

Fraction of people leasing car=90/340 =9/34

Percent of people leasing car=fraction *100%

=9/34 *100%

=26.47%

SOMEONE PLEASE HELP ME IM GONNA FAIL

The wind force F on a sail varies jointly as the area A of the sail and the square of the wind speed w.
The force on a sail with area an area of 500 P? is 64.8 pounds when the wind speed is 18 mph. What
would be the force for a sail with an area of 250 f2 with a wind speed of 35 mph.

Answers

Answer:

405 pounds

Step-by-step explanation:

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