The height, h, of an object that is projected straight downward from a ledge 500 feet above the ground with initial velocity 10 feet per second is given by the equation h = 500 - 10t - 16t^2 where t = time in seconds. After how many seconds will the object be 100 feet above the ground?

A. 2.21 seconds
B. 3.85 seconds
C. 4.70 seconds
D. 40 seconds

Answers

Answer 1

The answer to this question is C

Related Questions

A baby weighs 18 pounds at her four-month appointment. Six months later she weighs 24 pounds. By what percentage did the baby's weight increase?

Answers

Answer:

33.33%

Step-by-step explanation:

We know that:

At her four month weighs: 18 pounds.

Six month later weighs: 24 pounds.

So, the baby increased 6 pounds. But, what percentage represents?

To solve this problem we use the rule of three:

If 18 pounds represents 100%, 24 pounds what percentage would be?

So, if we subtract 100%-133.33%, we have a 33.33% more. This means that the baby increased a 33.33% during those six months.

Chester has $234 in his savings. At his job he earns $11.50 per hour. Jamie has already saved $273

Answers

Answer:

whats the question

Step-by-step explanation:

Alexander was offered a job that paid a salary of $24,000 in its first year. The salary was set to increase by 4% per year every year. If Alexander worked at the job for 5 years, what was the total amount of money earned over the 5 years, to the nearest whole number?

Answers

9514 1404 393

Answer:

$129,992

Step-by-step explanation:

The sum of a geometric series is given by ...

Sn = a1·(r^n -1)/(r -1)

Here, the first term is 24000, and the growth factor r is 1+4% = 1.04. The sum is then ...

S5 = 24000·(1.04^5 -1)/(1.04 -1) ≈ 129992

The total earned over 5 years was $129,992.

___

A spreadsheet can list the annual salaries and add them up. The salary each year is 1.04 times that of the previous year. That is shown in the attachment.

fractions equivalent to - 9/16

Answers

Answer:

Equivalent Fractions for 9/16: There are infinity equivalent fractions to 916. See some examples: 916, 1832, 2748, 3664, 4580, 5496, 63112, 72128, 81144, 90160, 99176, 108192, 117208, 126224, 135240, 144256, 153272, 162288, 171304

Step-by-step explanation:

NOT my answer, got it from g0ogle..

i am the sum of 10 and another even number i am more then a dozen i am the sides of a trapezoid plus 2 what am i

Answers

Answer:

decagon 10 sides.

Step-by-step explanation:

If your a dozen Then your a dodecagon.

A triangle has a base of 4 inches and a height of 6 inches.
What is the area of the triangle?
O 10 in?
O 12 in
O 20 in
O 24 in?
PLS HELP RN!!!!!!

Answers

Answer:

12 in

Step-by-step explanation:

Please mark me the brainliest, 5 stars, and a thanks! have a great day!

here is a image. 6th grade problem i in 6th grade. Please do part A and part B for problem 1 and also please do problem 2 so ASAP answer it PLease! And please try people just put in random letters

Answers

I have no idea what to do in problem 1

but I will do problem 2

A. 2⁵ = 32 (2×2×2×2×2=32)

B. 4³/2 = 32 (4×4×4=64 and then 64÷2=32

the others are not equal to 32

I WILL GIVE YOU BRAINLY PLS

Worth of 19 points

Answers

Answer:

the first one is 201.06ft², second one is 50.27ft

Step-by-step explanation:

have a great day.

what is matter measured in pls help me for god sake I am about to become the school math president

Answers

Answer:

volume or mass

Step-by-step explanation:

-10<-2(2x-1) can anyone help?

Answers

Answer:

x < 3

Step-by-step explanation:

Any number less than 3 will make this true.

Answer:

-3<X or X>-3

Step-by-step explanation:

-10<-4x+2

-10-2<4x

-12<4x

-3<X or X>-3

The system shown has one solution; convince me that the solution exists
without solving it or graphing it?
2x - y = 5
x + 3y = -8

Answers

Answer:

(1, -3)

Step-by-step explanation:

I need help with solving these math problems please!!!

Answers

The first blank would be angle sand the second blank would be sides

Answer:

In the triangle below the red side is a leg and should be labeled a . The pink side is a leg and should be labeled b. and the light blue side is the hypotenuse and should be labeled c.

In right triangles the angles are labeled with upper case letters and the sides are labeled with lower case letters.

Step-by-step explanation:

2) A bag contains some red, blue and
yellow balls. 30% of the balls are
blue and 40% are red.
If there are 50 balls in the bag,
how many are yellow?
Show work and make an equivalent equation

Answers

25% were in the bag .

There is 25% in the bag

Potatoes are on sale at both grocery mart and Baldwin hill market and grocery mart a 5lbs bag cost 2.85 and Baldwin they a 7lbs bag cost 4.20

Answers

Answer

The first one

Step-by-step explanation:

I think you want to know which store is better so it is

URGENT HELP!
is it
A)ASA
B)SSS
C)AA
D)SAS
for each of the three triangles?

Answers

1Sas
2.Aa
3.SSS. Hufuibgjhvghtt hit s

its the pythagorem theorem

Answers

The answer is approximately 16 inches. I attached the work below :) (if this helped u can u give brainlist)

find the area of a circle if its radius is 6 millimeters?

Answers

The answer is 36pi
Hope this helps :)

Which of the following numbers is to the right of 6 on a number line? Select all the apply

Answers

Answer:

[tex]\sqrt{47}[/tex] [tex]\sqrt{91}[/tex]

Step-by-step explanation:

The first two are too small to be greater than 6 so those are out.

Any answer with a negative is before 0, so you could rule those out

You are now left with sqrt(47) and sqrt(91)

You have to work on Distributive property 14(5+4)

Answers

126

explanation: solved it

How long is the distance between the two points?

Answers

Answer:

the distance between the point g and h is 6.

Step-by-step explanation:

Answer:

70 miles

Step-by-step explanation:

each unit is 10 miles.

You can see 6 units but also you can half-covering on each letter. Add them up to get your answer.

Find the total area of the figure. Do not label the solution.
6 cm
9 cm
4
2 cm
10 cm
Your answer

Answers

Mf what figure ????????

PLEASE HELP ME
Carlos needs to buy some new pencils from the school supply store. Carlos asks his classmates if they know the price for pencils. Angela says she bought 2 pencils for $0.50. Paige bought 3 pencils for $0.75, and Spencer bought 4 pencils for $1.00.

Answers

the pencils cost $0.25

Answer:

0.25

Step-by-step explanation:

The answer is 0.25 i think

A scientist makes $150,000 per year. She deposits 5% of her yearly income in a travel savings account. How much money should she have in her savings account by the the end of the year in dollars and cents? -pleaseee hurryy

Answers

Answer:

Step-by-step explanation:

KALIS2007

Answer:

7500

Step-by-step explanation:

Rewrite the following equation in slope-intercept form. y +3 = 1/4 (x − 4 )

Answers

Answer:

y = 1/4x - 4

Step-by-step explanation:

[tex]y + 3 =1/4(x - 4)\\y + 3 = 1/4x - 1\\y = 1/4x - 4[/tex]

Evaluate the expression for f = 5.

17 − 2f =

Answers

17 - 2(5)

17 - 10

=

7

The answer is 7.

Answer:

PLZ MARK AS BRAINLIEST

Step-by-step explanation:

17 - 2f =

17 - 2(5) =

17 - 10 =

A cat's heart rate beats about 130 beats per minute. A kitten's heartbeat can be as fast as 240 beats per minute. What fraction of the kittens heart rate is the cat's heart rate? Write the answer in simplest form

Answers

Answer:

13/24

Step-by-step explanation:

For every 24 heart beats of the kitten, the cats heart beats 13 times.

Which one is it ? (You cannot click it ) (22 points)!

Answers

Answer:

the answer is 0.01 your welcome

What is the slope of the line?help pls

Answers

Answer:

Step-by-step explanation:

The graph of 3x - 5y = 12 is shown on the grid. Which ordered pair is in the solution set of 3x - 5y 2 12? es ) A) (0,5) B) (5,0) © (-3,5) D) (-5,3)

Answers

Answer:

i think itz C

Step-by-step explanation:

The required ordered pair is (5,0) in the solution set of the given inequality 3x - 5y ≥ 12. The correct answer would be option (B).

What is inequality?

Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.

The given graph of 3x - 5y = 12 is shown on the grid.

To find the solution set of 3x - 5y ≥ 12, we need to shade the region of line 3x - 5y = 12 since it represents all the points that make the inequality true.

When all the given points are drawn in the graph, then we get the ordered pair (5,0) in the solution set of the given inequality.

Thus, the required ordered pair is (5,0) in the solution set of the given inequality 3x - 5y ≥ 12.

Therefore, the correct answer would be an option (B).

Learn more about inequalities here :

brainly.com/question/20383699

#SPJ2

Tony made $208 for 13 hours of work. At the same rate, how many hours would he have ro work to make $144

Answers

Answer:

9 hours

Step-by-step explanation:

208 / 13 = $16 per hour

144 / 16 = 9 hours

Answer:

9 hours

Step-by-step explanation:

208 divided by 13 is 16. So then u take 16 and divide it by 144, and if you do long division you would get 9. Hopefully this helps

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