1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Evgesh-ka [11]
3 years ago
11

The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the

polynomial − 16t^2 + 30 . What is the height of the ball after 1/2 second?
Mathematics
1 answer:
finlep [7]3 years ago
4 0

The height h above ground in feet of a ball dropped from the top of a 30 foot tall building after t seconds is given by the polynomial: h(t)= -16t^2+30. what is the height of the ball after 1/2 second?

h(t)= -16t^2+30

--

Sub 1/2 for t to find h(1/2)

You might be interested in
Jane took 15 min to drive her boat upstream to​ water-ski at her favorite spot. Coming back later in the​ day, at the same boat​
s344n2d4d5 [400]

Answer:

The speed of the boat in still water = 8 Km/hr

Step-by-step explanation:

Let the speed of the boat be x

According to question

(x-4)15 = (x+4)5

3x-12 = x+4

⇒x = 8 km/hr

7 0
3 years ago
PLEASE HELP FAST!!!
Llana [10]

Answer:

4500 miles

Step-by-step explanation:

750 rounded to the nearest hundred is 800. 2,488 rounded to the nearest hundred is 2,500. 155 rounded to the nearest hundred is 200. 1,015 rounded to the nearest hundred is 1,000. So 800+2,500+200+1,000= 4,500

8 0
3 years ago
In the figure, angle A measures 45° and angle E measures 15°.
nadya68 [22]

Answer:

Angle C = 45 degrees.

Angle D = 30 degrees.  

Step-by-step explanation:

Angle C = 45 + 90 = 135   180 - 135 = 45.

Angle D = 180 - 45 = 135 (angle F)   15 + 135 = 150   180 - 150 = 30

4 0
3 years ago
Read 2 more answers
In a cylindrical wooden block with a radius of 7 cm and a height of 14 cm, hemispherical blocks with
Sunny_sXe [5.5K]

9514 1404 393

Answer:

  1372π/3 cm^3 ≈ 1436.8 cm^3

Step-by-step explanation:

The diameter and height of the cylinder are both 14 cm. The resulting solid will be a 14 cm sphere. Its volume is ...

  V = 4/3πr^3 = 4/3π(7 cm)^3 = 1372π/3 cm^3 ≈ 1436.8 cm^3

4 0
2 years ago
Think about how to use the interactive tool to form an expression equivalent to -x + (-3x) + 12 -9.
Gnom [1K]

an equivalent expression is...

-4x+3

3 0
3 years ago
Read 2 more answers
Other questions:
  • Stacy goes to country fair with her friends the total cost of rides tickets is given by the equation c=3.5t where c is the total
    14·1 answer
  • Explain how a set of numbers can have a greatest common factor greater than 1
    11·1 answer
  • Simplify the expression.<br> (2x^2y)^3
    14·1 answer
  • What is the value of x?
    8·1 answer
  • What is the measure of angle A?
    12·1 answer
  • The delivery person weighs 150lb and each box of books weigh 40lb the maximum capacity of the elevator is 1020lb how many box of
    8·1 answer
  • Sara brought a total of 8 nails at ace hardware. She purchased both 6 penny nails and 10 penny nails. She brought 2 more 6 penny
    6·1 answer
  • PLS HELLLP<br> PICTURE BELOW
    11·1 answer
  • the table below shows the length of the hiking trails at a local park. Aaron hikes half of the blue trail. what distance did he
    9·2 answers
  • If x varies directly as y, and<br> X = 24 when y= 21, Find x when<br> Y=6
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!