Mathematics High School

A steel ball is dropped from a height and hits the ground 6.7 seconds after its release. From what height (in feet) was the ball released?

Answers

Answer 1

Step-by-step explanation:

Acceleration = g = 32.17ft/s²

Initial velocity = 0ft/s

Time taken = 6.7s

Using Kinematics,

we have s = ut + 0.5at².

=> s = (0)(6.7) + 0.5(32.17)(6.7)²

=> s = 722.06ft.

Related Questions

brainliest! please help i'm a bit confused

Answers

Answer:

Step-by-step explanation:

they only asked for the hours

Answer:

45 or 150 with boat. Hope it helps!

Maria is reading an article about ways that cowboys are portrayed in movies and in books. Read this excerpt:

A lot of fiction is set in the American West in the 1800s, a time when settlers poured into the wide-open prairies of Oklahoma and Texas. Cowboy heroes in movies and books worked to tame the land. They are often portrayed as valiant men who fought for justice in a time of lawlessness.

What is the meaning of the phrase tame the land as it is used in the passage above?

A.
It means that the land was unsafe.
B.
It means that the land was not settled.
C.
It means that the land was not farmed.
D.
It means that the land was abandoned.

Answers

Answer:

Step-by-step explanation:

Answer:B.

It means that the land was not settled.

Step-by-step explanation:

What is 1 x 10^2 / 4 x 10^1 in normal form?

Answers

Answer:

If you're talking about a fraction form: 5/2

But, if you're talking simplified: 2.5

The highway mileage (mpg) for a sample of 9 different models of a car company can be found below.

33 38 48 34 21 24 26 23 26

Find the mode:

Find the midrange:

Find the range:

Estimate the standard deviation using the range rule of thumb:

Now use technology, find the standard deviation:

Answers

Answer:

Step-by-step explanation:

because I did the test

Answer:

Step-by-step explanation:

what's an extraneous solution?

In your own words

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Answer:

You get this solution while solving your problem but it still is not the correct answer to your question...

(I think)

Which set of numbers could represent the side lengths of a right triangle?

Answers

Answer:

Step-by-step explanation:

3x^2- 10x - 8 please help with this

Answers

So why I now yes when she where it go to get the stuff

b^2 - 4xaxc
a=3 b= -10 c= -8

(-10)^2 -4 x3 x (-8)

100 + 96

196

Sqrt(196) = 14

x1 = (-b-sqrt(196))/2a
x1= (10-14)/6
x1= -2/3

x2 = (-b+sqrt(196))/2a
x2 = (10+14)/2a
x2= 4

2/3x - 12 for x = 18___

Answers

Answer:

-11 53/54

Step-by-step explanation:

3 x 18 = 54

1/54 - 12 = -11 53/54

5. How do natural numbers differ from whole numbers?

Answers

Answer:

Natural numbers are all numbers 1, 2, 3, 4… They are the numbers you usually count and they will continue on into infinity. Whole numbers are all natural numbers including 0 e.g. 0, 1, 2, 3, 4… Integers include all whole numbers and their negative counterpart

Please help!! Giving brainliest and extra points!! (click on photo)

Answers

Answer:

circumphrence

Step-by-step explanation:

Answer:

Area

Step-by-step explanation:

Because area covers

Rewrite using a single positive exponent.
57
54

Answers

Answer:

Step-by-step explanation:

54, 57= you add 3 onto the unit number.

Can somebody help me

Answers

Answer:

1 3

- , -

2 4

...

........

Ebony is x years old.
Her brother is 4 years older.
Her Mum is 3 times her age.

Write an expression for the age of:
Her mum
Her brother

Answers

Answer:

Ebony's brother is x + 4 years old.

Ebony's mum is 3x years old.

Explanation:

Since Ebony is x years old, and her brother is 4 years older than her, the expression is x + 4, as her brother is +4 years older.

Ebony's mum is 3 times Ebony's age, which is x. 3 times x is shortened into 3x.

How do you graph g(x)=f(x)+5

Answers

Make a positive line going through (0, 5)

i need help plssssssssssssss

Answers

Answer:

It doesn't show what the drop down is. However, both of those are linear expressions.

Sergio's expressionn siplifies to: 9+3x (because two minuses cancel each other).

Leon's expression cancels to 12+6x (because 9+3=12)

Step-by-step explanation:

You have to show the dropdown to be able to answer exactly what they are looking for as an answer.

Price - $375
Discount - 20%
Total =

Answers

Answer: 20

Step-by-step explanation: since i helped can i have brainlist plesa :D

The equation y = - 3/4x + 1 represents a given line. Write the equation for the line that passes through (6, 6) and is perpendicular to the given line. pls show me how u got it, thx

Answers

Answer: equation Y as in 3/4x +1?

Step-by-step explanation:

If 85% of dentists recommend Crest toothpaste, what percent do not recommend Crest?

Answers

Answer:

15%

Step-by-step explanation:

100% - 85% = 15%

How do I do this please help

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Answer:

Step-by-step explanation:

is the answer Aaaaaaaaa

if y=3 when x=4, find y when x=6

Answers

Answer:

y = 2

Step-by-step explanation:

(x)(y) = k Inverse relationship

(4)(3) = k

12 = k

(6)(y) = 12

y = 2

Answer:

Step-by-step explanation:

Amy scores 7760 points on a new game, to the nearest 10.
Bill scores 7700 points to the nearest 100.
Who did better?
Amy
Bill
Can't tell

Answers

Answer:Bill

Step-by-step explanation:

Because Bill scored to the nearest 100

Answer: Amy

Explanation: Bill’s score has to be 7749-7700 for it to be rounded by the nearest hundred and get 7700. While Amy’s would have to be anywhere from 7755-7760 for it to be rounded by the nearest ten and get 7760.

Evaluate each expression if a = 2 and b = 8.
1. 3a + 1

Answers

Answer:

Step-by-step explanation:

3(a)+1 A=2

3(2)+1

Answer:

Step-by-step explanation:

We need to input the values of "a" into the equation.

1) 3 x 2 + 1

So 3 x 2 = 6 and plus one is 7.

Rewrite the fraction in the sentence below as a percentage.
19
At a certain wedding,
of the guests were under 65 years old.
20

Answers

Answer: 95%

Step-by-step explanation:

19/20 divide

=0.95 turn into fraction form

= 95/100

=95%

4/5 ÷ 1/2 – 3/4 × 3/5( these are fractions)

Answers

Answer:

23/20 or 1 3/20 or 1.15

Answer:

1 3/20

Step-by-step explanation:

Whats is percentage of 25% to 24

Answers

Answer:

96%

hope this helps!!:)

Step-by-step explanation:

Answer:

I think the question is supposed to be What is 25% of 24? Or you are missing a component of the question

Step-by-step explanation:

You could multiply .25 times 24 to get the answer because changing 25% to a number you can use in an equation means adding a decimal place and moving two places to the left.

.25 x 24= 6

6 is 25% of 24

what's the opposite of -4

Answers

Answer:

Step-by-step explanation:

It's a opposite of -4 so the opposite would be 4

Answer:

Step-by-step explanation:

The opposite of -4 is 4

In addition

The absolute value of -4 is also 4

Therefore, the answer is 4.

HELP MEE ILL GIVE BRAINLIEST!!

Answers

Answer:

16 by 8

Step-by-step explanation:

at a concession stand three hotdogs in for hamburgers cost $13.50 for hotdogs and three hamburgers cost $12.75 find the cost of one hotdog and find the cost of one hamburger

Answers

Price of Hotdogs you do 14.50/3= 4.50
Price of Hamburgers 12.75/3=4.25

A fish tank containing 42 gallons of water when it began to make each day the tank last for gallons of water how many days until the tank only contains 14 gallon

Answers

7 days till the tank contains 14 gallons (if the day when it contains 42 gallons counts as day 0)

Micah has 15 games. Micah has three more games than kelly. Kelly has K number of games. Move values into the boxes to create an equation to represent this senerio

Answers

Answer:

Equation = K + 3 = 15

K = 12 games

Step-by-step explanation:

According to the scenario, calculation of the given data are as follows,

Micah games = 15

Let, Kelly games = K

As Micah has three more games than Kelly, then

K + 3 = 15

This equation shows the scenario.

We can find the number of games Kelly has by using this equation,

K+3 = 15

K = 15 - 3

K = 12

Hence, Kelly has 12 games.

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