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QveST [7]
3 years ago
9

-19m^2 numerical coefficient is ?

Mathematics
1 answer:
Makovka662 [10]3 years ago
7 0

your answer would be -19

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Task 1:
laiz [17]

Answer:

The toy's maximum height is 10.12\ \text{feet}.

Step-by-step explanation:

The equation that models the toy's height in feet from the ground at t seconds after  he threw it is given by :

h = -2t^2 + 7t + 4 .....(1)

It is required to find the toy's maximum height. For maxima or minima, put

\dfrac{dh}{dt}=0

Plugging the value of t in above equation,

\dfrac{d(-2t^2 + 7t + 4)}{dt}=0\\\\-4t+7=0\\\\t=\dfrac{7}{4}\\\\t=1.75\ s

Now put t = 1.75 s in equation (1) such that,

h = -2(1.75)^2 + 7(1.75) + 4\\\\h=10.12\ \text{feet}

So, the toy's maximum height is 10.12\ \text{feet}.

4 0
3 years ago
4 donuts cost 6.20 how much would 12 donuts cost?
trasher [3.6K]
6.20÷4 = 1.55
price per individual dounut =$1.55

1.55×12=18.6

12 donuts =$18.6
7 0
3 years ago
Read 2 more answers
A probability distribution for all possible values of a sample statistic is known as a _____.
erma4kov [3.2K]
It is known as sampling distribution

3 0
3 years ago
Read 2 more answers
(8x + 9) + (15 - 8x)
Ilia_Sergeevich [38]
8x +9 + 15-8x is -32 it’s that easy
5 0
2 years ago
What is area?<br>what is perimeter?​
DerKrebs [107]

Area is the quantity that expresses the extent of a two-dimensional region, shape, or planar lamina, in the plane. Surface area is its analog on the two-dimensional surface of a three-dimensional object.

The continuous line forming the boundary of a closed geometrical figure is called it's perimeter.

8 0
2 years ago
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