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andrey2020 [161]
3 years ago
15

PLEASE PLEASE HELP!!!

Mathematics
1 answer:
vredina [299]3 years ago
7 0
The correct answer is 30
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Amir stands on a balcony and throws a ball to his dog, who is at ground level.
Bumek [7]

Answer:

16 meters

Step-by-step explanation:

The height function is given by:

h(x)=-(x+1)(x-7)\\h(x)=-(x^2+x-7x-7)\\h(x)=-x^2+6x+7

The value of x, in seconds, for which the derivate of the height function is zero, is the time at which the maximum height occurs:

\frac{dh(x)}{dx}= h'(x)=-2x+6=0\\x=3

For x = 3 seconds, the height is:

h(3)=-(3^2)+6*3+7\\h(3)=16\ m

The maximum height that the ball will reach is 16 meters.

6 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points listed in the table?
Allisa [31]

Answer:

D. -4

Step-by-step explanation:

the slope formula is

m=(y2-y1)/(x2-x1)

(x2,y2) = (4,7)

(x1, y1) = (5,3)

So (7-3)/(4-5) = 4/-1 = -4

4 0
3 years ago
Write the coordinates of a point whose Abcissa is -7 and ordinate is -2​
Ksivusya [100]

Answer:

Abcissa = X, and Ordinate = Y

(-7,-2)

Is the answer

8 0
3 years ago
What is the difference between a histogram and a bar graph?
Aloiza [94]

Answer:

d.

A histogram deals with continuous data in ordered columns, while a bar graph deals with discrete data in separate columns.

Step-by-step explanation:

7 0
3 years ago
Please help me with this
lisabon 2012 [21]

Answer:

8 times 5

Step-by-step explanation:

Hope this helps

4 0
3 years ago
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