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
pashok25 [27]
3 years ago
13

If an object is dropped from a height of 141 feet, the function LaTeX: h\left(t\right)=-16t^2+141h ( t ) = − 16 t 2 + 141 give t

he height of the object after t seconds. When will the object hit the ground?
Mathematics
1 answer:
Fofino [41]3 years ago
6 0

Answer:

Therefore the object will hit the ground after 3 seconds.

Step-by-step explanation:

Given that an object is dropped from a height of 141 feet.

Given function is

h(t)= - 16t²+141

When the object hits the ground, the height of the object will be zero.

It means h(t) = 0

Putting the h(t)=0 in the given function

0 = - 16t²+141

⇒-16t²+144=0

⇒ -16t² = -144

⇒16t²=144

\Rightarrow t^2 =\frac{144}{16}

Square rooting both sides

\Rightarrow t=\sqrt{\frac{144}{16}}

\Rightarrow t= \frac{12}{4}

⇒t = 3

Therefore the object will hit the ground after 3 seconds.

You might be interested in
Help!1!1!1 ASAP please !1!1
gulaghasi [49]

Answer:

1/4 Teaspoons: 7

1/3 Cup: 20

Step-by-step explanation:

1/3 Cup:

Butter (2), Sugar (4), Coca (3), Flour(11)

1/4 Teaspoon:

Salt (3), Baking Soda (4)

4 0
3 years ago
Read 2 more answers
According to Ohm’s law, which is stated as I = V ÷ R, which two sentences are true?
Sladkaya [172]

Answer:

2nd and 3rd

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
PLS Help me Error Analysis
Maksim231197 [3]

we have

<u>Pieces of mail delivered in December by the US postal service</u>

7.14*10^{10}

<u>Pieces of mail delivered in January by the US postal service</u>

3.21*10^{10}

To find the total mail delivered for these two months, sum the two quantities

so

7.14*10^{10}+3.21*10^{10}=(7.14+3.21)*10^{10}\\=10.35*10^{10} \\=(1.035*10)*10^{10} \\=1.035*(10* 10^{10})\\=1.035*10^{(10+1)} \\= 1.035*10^{11}

therefore

the correct solution is 1.035*10^{11}

the error is in this part

10.35*10^{10}

To move decimal over one place 10 to the power of 10 should be 10 to the power of 11

1.035*10^{10}

3 0
2 years ago
Which of these is a parent function? And can you tell me how you know?
avanturin [10]
Hey there!

A parent function is the most basic function in any group of functions. For example, f(x) = x^2 is the parent function for quadratic functions, and y = x is the parent function for linear functions. When there's nothing added, subtracted, multiplied, or divided to the function.

For A, we see that we're multiplying 2 times 3^x, and since this is not any alternation of any parent function or any parent function in particular, we can rule it out.

For B, we see that 3 is being added to x^2, so it cannot be a parent function.

For C, we see that 2 multiplied to e, therefore it cannot be the mot basic function.

Finally, for D, we see a function that looks similar to the quadratic parent function and is very simple itself. Any alterations to this is any other quadratic function

Your answer is D.

Hope this helps!


7 0
3 years ago
Audrina uses 9.7 pints of blue paint and white paint to paint her bedroom walls. 3 5 of this amount is blue paint, and the rest
Lady bird [3.3K]

Answer:

6.2 pints of white paint.

Step-by-step explanation:

9.7 is the sum of both paints used to pain her bedroom walls. If we know that 3.5 of the 9.7 was blue, we can safely assume that the remainder of the paint was white, thus 9.7 - 3.5 = 6.2

7 0
2 years ago
Other questions:
  • -17x + 2 +3x^2 + 2x^3 divided by x-2
    12·1 answer
  • How do you draw a line for this
    6·2 answers
  • How do i make a stem plot?
    7·1 answer
  • Use the following graph of the function f(x) = −3x4 − x3 + 3x2 + x + 3 to answer this question: graph of negative 3 x to the fou
    9·1 answer
  • In algebra, we use a(n) __to represent a variable.<br> Answer here
    5·1 answer
  • 2x3-4x2 + 6x -3<br> X3+ 6x2 -8x + 12<br> -3x3+ 2x2 - 4x-7
    9·2 answers
  • Given P(A) = 0.072, P(B) = 0.180, and P(C) = 0.027, and that events A, B, and C are mutually exclusive, what is the P(A or B or
    14·1 answer
  • PLEASE ANSWER THIS: look at the pic for question. Thanks!!!
    8·1 answer
  • Find the area of the shaded portion below.
    10·1 answer
  • HELP! Work out the question below.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!