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Anna [14]
3 years ago
6

A rocket launches upward off of a 18 ft platform with an initial velocity of 125 ft/sec creating the equation begin mathsize 18p

x style p left parenthesis t right parenthesis equals negative 16 t squared plus 125 t plus 18 end style where p(t) represents the position of the rocket based on time, and t represents time.
What is a realistic range for this problem?
Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
6 0
Um i this is not my level
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PLEASE HELP
lubasha [3.4K]

Answer:

(a+b)^2+(a-b)^2=2(a^2+b^2)

expanding:

a² + 2ab + b² + a² -2ab + b² = 2a² + 2b²

2a² + 2b² = 2a² + 2b²

7 0
3 years ago
Read 2 more answers
Write the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, -5)
Sedbober [7]

Answer:   \bold{y=-\dfrac{1}{3}x-1}

<u>Step-by-step explanation:</u>

(4, 1) & (2, -5)

First, find the slope (m) and then the perpendicular (opposite reciprocal) slope:

m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\\m=\dfrac{-5-1}{2-4} = \dfrac{-6}{-2}=3\quad \rightarrow \quad m_{\perp}=-\dfrac{1}{3}\\

Next, find the midpoint of (4, 1) and (2, -5):

Midpoint=\bigg(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\bigg)\\\\\\.\qquad \qquad=\bigg(\dfrac{4+2}{2},\dfrac{1-5}{2}\bigg)\\\\\\.\qquad \qquad=\bigg(\dfrac{6}{2},\dfrac{-4}{2}\bigg)\\\\\\.\qquad \qquad=(3, -2)

Lastly, input the perpendicular slope and the midpoint into the Point-Slope formula to find the equation of the line:

y - y_1 = m_{\perp}(x - x_1)\\\\y - (-2) = -\dfrac{1}{3}(x - 3)\\\\y + 2=-\dfrac{1}{3}x +1\\\\y =-\dfrac{1}{3}x - 1\\


6 0
3 years ago
What is the y value for the line that passes through (−2,3) and (0,8)
sp2606 [1]

Answer:

y=5x/2 + 9

Step-by-step explanation:

Check the above picture for workings

3 0
3 years ago
A bug ran along the number line from -5 to 23. What distance did it cover? If the whole run took the bug 4 minutes, what was its
Lady bird [3.3K]

Answer:

28m

7m/s

Step-by-step explanation:

sorry if it is wrong

4 0
3 years ago
Russell has been training for the Emerald Valley Race. The first week he trained, he ran 5 days and took the same two routes eac
Ivahew [28]

In maths, Distance is described as the quantity of space between two points, and further calculation can be defined as follows:

Given Expression:

5x + 2 = 30\\\\2(x + 5) = 30\\\\5(x + 2) = 30\\\\2x + 5 = 30

To find:

distance=?

Solution:

5\ days\ \begin{cases} & \text{ if } \text{before school 2 miles}    \\  & \text{ if } \text{after school x miles} \end{cases}

\therefore 5(x+2)=30\\\\

\bold{5(x+2)=30}\\\\\bold{5x+10=30}\\\\\bold{5x=30-10}\\\\\bold{5x=20}\\\\

\bold{x=\frac{20}{4} }\\\\\bold{x=4}

Therefore, the final answer is "4 miles".

Learn more:

brainly.com/question/12186030

8 0
3 years ago
Read 2 more answers
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