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3 years ago

What conclusion can you make from the information below?

Mathematics

1 answer:

mel-nik [20]3 years ago

5 0

Answer:

A.louis drive a chevolet

Step-by-step explanation:

from the question three different people drive different cars . since two out of the three people has been excluded from driving a particular car i.e the third person is the one driving Chevrolet

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A ball is kicked in the air. The height of the ball can be calculated using the equation h(t) =-16t^2+64t+190, where h is in hei

gregori [183]

Answer:

Therefore the ball strikes the ground 5.98 s after kick.

Step-by-step explanation:

Given that , a ball is kicked in the air. The height of the ball can be calculated using the equation $h(t)=-16t^2+64t+190$ where h is height in feet and t is time in second.

When the ball touches the ground then the height will be zero.

i.e h(t)=0

Therefore

$-16t^2+64t+190=0$

$\Rightarrow -2(8t^2-32t-95)=0$

Since -2≠0 then $(8t^2-32t-95)=0$

$(8t^2-32t-95)=0$

[The solution of a quadratic equation ax²+bx+c=0 is

$x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}$ here a=8, b=-32 and c=-95]

$\Rightarrow t =\frac{-(-32)\pm\sqrt{(-32)^2-[4\times8\times(-95)]} }{2\times8}$

$\Rightarrow t =\frac{32\pm\sqrt{4064} }{16}$

Therefore t= 5.98 or -1.98

since time can not be negative So , t=5.98 s

Therefore the ball strikes the ground 5.98 s after kick.

5 0

3 years ago

What is m in 4/5m=2/9 is it 5/18

Romashka [77]

$\frac{4}{5} m = \frac{2}{9} \\ \\ \frac{4m}{5} = \frac{2}{9} \\ \\ 4m = \frac{2}{9} \times 5 \\ \\ 4m = \frac{10}{9} \\ \\ m = \frac{10}{9 \times 4} \\ \\ m = \frac{10}{36} \\ \\ m = \frac{5}{18} \\ \\$

The final result is: m = 5/18 or 0.2778.

8 0

3 years ago

What the answer to this???

geniusboy [140]

Answer:

they are similar because you have to in both equations you have to multiply 1/2 by bh

they are different because the trapezoid base is added to itself and multiplied by 1 and 2

8 0

3 years ago

If a ray lays in a plane, how many points of the ray are also in the plane?

Over [174]

The answer is a all of the points