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
Lemur [1.5K]
3 years ago
12

Set up an algebraic equation and then solve the following problems. The height of an object dropped from the top of a 64-foot bu

ilding is given by h(t)=-16t^2+64. How long will it take the object to hit the ground?
Mathematics
1 answer:
ycow [4]3 years ago
7 0
0=-16t^2 +64

0=-16(t^2 - 4)

0=-16(t-2)(t+2)

t=2 or - 2

It will take two seconds for the object to hit the ground.
You might be interested in
Solve the inequality 4x - 7 < 5
Snezhnost [94]

Answer:

x<3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please answer this quick! Worth 23 POINTS!
elena-14-01-66 [18.8K]

Answer:

A) \boxed{m

B) \boxed{XY = 77 degrees}

Step-by-step explanation:

a) <u><em>According to Outside Angles theorem:</em></u>

=> m∠VYW = \frac{1}{2} (VW-VX)

Where mVX = 79, VW = 173

=> m∠VYW = (173-79)/2

=> m<VYW = 94/2

=> m∠VYW = 47 degrees

b) <u><em>According to Angles of Intersecting Chords Theorem:</em></u>

=> m∠VZW = \frac{1}{2} (VW+XY)

Where m∠VZW = 64, VW = 51

=> 64 = 1/2(51+XY)

Multiplying both sides by 2

=> 64*2 = 51+XY

=> 128 = 51+XY

=> XY = 128-51

=> XY = 77 degrees

8 0
3 years ago
Help thanks in advance !
lutik1710 [3]

Answer:

Take your product denominator and divide it by the original. 48÷8=6

Since the denominator was increased by a scale factor of 6, the numerator must also be increased by a scale factor of 6 in order to keep the 2 fractions equal. 7×6=42

Hence, your answer is 42/48

Hope this helps?

Answer: 42

7 0
3 years ago
A bag contains 4 red marbles, 2 blue marbles, 1 purple marble, and 3 green marbles. 4 red marbles, 2 blue marbles, 1 purple marb
alukav5142 [94]

Hello,

There are 4 + 2 + 1 + 3 = 10 marbles in the bag.

The probability to get a red marble is 4/10 = 2/5 ; the probability to get a blue marble is 2/10 = 1/5 ; the probability to obtain a purple marble is 1/10 and the probability of getting a green marble is 3/10.

Have a nice day !

7 0
3 years ago
Read 2 more answers
How do I solve these and what is the answer?
Ira Lisetskai [31]
I don't know how to solve this without knowing the a, b, n, and x values, unless you are just telling us to simplify it



5 0
3 years ago
Other questions:
  • Through: (5,5), slope =8/5
    12·1 answer
  • Alicia is solving the equation 2.3 x minus 1.6 = 8.8 minus 2.9 x. Which equations represent possible ways to begin solving for x
    7·2 answers
  • What is the perimeter of this rectangle?​
    10·1 answer
  • Which deduction is optional?
    8·2 answers
  • Please help I'm not sure what to do ​
    9·2 answers
  • Describe how estimating would help you check if your answer is reasonable for problem 4.​
    10·2 answers
  • The number 4129 is in the sequence calculate the number which comes immediately before 4129 in the sequence
    8·1 answer
  • Express (3x+1)(2x-5) as a trinomial
    11·1 answer
  • Helpppp meee pleaseeeeeeeeee!!!’
    12·2 answers
  • 149
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!