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3 years ago

3. One of the fireworks is launched from the top of the building with an initial

Mathematics

1 answer:

algol133 years ago

4 0

The answer is G hope i helped and god bless

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write a linear equation that intersects y=x^2 at two points. Then write a second linear equation that intersects y=x^2 at just o

Liula [17]

We know that $y = x^2$ is a parabola, concave up, with vertex in the origin $(0,0)$

So, we may use three horizontal lines for our purpose: any horizontal line above the x axis will intersect the parabola twice. The x axis itself intersects the parabola once on the vertex, while any horizontal line below the x axis won't intercept the parabola.

Here's the examples:

The horizontal line $y = 4$ intercepts the parabola twice: the system $y = x^2,\ y = 4$ is solved by $x^2=4 \implies x = \pm 2$
The horizontal line $y=0$ intercepts the parabola only once: the system is $y=x^2,\ y=0$ which yields $x^2=0\implies x=0$ which is a repeated solution
The horizontal line $y=-5$ intercepts the parabola only once: the system is $y=x^2,\ y=-5$ which yields $x^2=-5$ which is impossible, because a squared number can't be negative.

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3 years ago

Identify 11 as either rational or irrational, and approximate to the tenths place. a.Rational:/(11)~3.3

inysia [295]

I think your answer is c but I'm not sure

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3 years ago

Leila is participating in a

guapka [62]

She needs to ride 46 miles . to get this answer you multiply 61 by 6 and get 366. then you add up all the numbers and get 320 then you subtract 366 by 320 .

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3 years ago

A sphere and a cylinder have the same radius and height. The volume of the cylinder is 11 ft.

Vedmedyk [2.9K]

Answer:

it 12

i litterally just got it right so...

3 0

3 years ago

Let's find the unknown variables in the following cases. ) (a) If C.P. Rs 150 and profit = Rs 12, find profit percent

vivado [14]

Answer:

solution, cp=Rs150 profit=Rs12 Now, profit percent=profit% of cp or,profit percent=12/100 x Rs150 Therefore,profit percent =18%

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers