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3 years ago

6

A rocket is launched from the top of a 90 foot cliff with an initial velocity of 140 feet per second. The height, h, of the rock

et after t seconds is given by the equati

1 answer:

erastovalidia [21]3 years ago

7 0

H=140s+90 s is seconds

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Find the value of x.

lapo4ka [179]

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i think the answer should be 8

Step-by-step explanation:

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2 years ago

A composition of reflections across two intersecting lines is a _____

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A composition of reflections across two intersecting lines is a rotation.

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3 years ago

The length of a rectangle is 5t+6 and its height is t^6 , where t is time in seconds and the dimensions are in inches. Find the

Nataly_w [17]

$\bf \textit{area of a rectangle}\\\\
A=l\cdot w\qquad 
\begin{cases}
l=length\\
w=width\\
-----\\
l=5t+6\\
w=t^6
\end{cases}\implies A(t)=(5t+6)t^6
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7 0

3 years ago

The amount that two groups of students spent on snacks in one day is shown in the dot plots below. Which statements about the me

RUDIKE [14]

Answer:

The mean for Group A is less than the mean for Group B.
The median for Group A is less than the median for Group B.
The mode for Group A is less than the mode for Group B.

Step-by-step explanation:

First, we can find the measures of center for each group.

<u>Group A</u>

Mode: 1

Median: (1 + 2) / 2 = 3 / 2 = 1.5

Mean: (1 * 5 + 2 * 4 + 3) / 10 = (5 + 8 + 3) / 10 = 16 / 10 = 1.6

<u>Group B</u>

Mode: 3

Median: 92 + 3) / 2 = 5 / 2 = 2.5

Mean: (1 * 3 + 2 * 2 + 3 * 4 + 5) / 10 = (3 + 4 + 12 + 5) / 10 = 24 / 10 = 2.4

From here, we can see that...

The mean for Group A is less than the mean for Group B.
The median for Group A is less than the median for Group B.
The mode for Group A is less than the mode for Group B.

Hope this helps!

8 0

3 years ago