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kondaur [170]
3 years ago
9

Please help!!!!!!!!!

Mathematics
1 answer:
astra-53 [7]3 years ago
5 0

Answer:

first one

Step-by-step explanation:

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What is the surface area of the square pyramid? 30 m 18 m ות 36​
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Step-by-step explanation:

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2 years ago
Jon is launching rockets in an open field. The path of the rocket can be modeled by the quadratic function h(t) = -16t^2 + 96t,
IrinaVladis [17]
It will reach 80 feet for the second time after 5 seconds.

We set the equation equal to 80 feet:
80= -16t² + 96t

When solving quadratics, we want it equal to 0, so we subtract 80 from both sides:
80-80= -16t² + 96t - 80
0= -16t² + 96t - 80

We use the quadratic formula to solve:
t=\frac{-96\pm \sqrt{96^2-4(-16)(-80)}}{2(-16)}
\\
\\t=\frac{-96\pm \sqrt{9216-5120}}{-32}
\\
\\t=\frac{-96\pm \sqrt{4096}}{-32}
\\
\\t=\frac{-96\pm 64}{-32}
\\
\\t=\frac{-96+64}{-32} \text{ or } 0=\frac{-96-64}{-32}
\\
\\t=1 \text{ or } t=5
4 0
3 years ago
Who are you.....????
alina1380 [7]

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my name is not five weenies, I am Shoto from UA and I wanna be a hero.

4 0
2 years ago
Read 2 more answers
The sum of 3 consecutive odd numbers is 63. what is the smallest of these numbers
PIT_PIT [208]

Let, the numbers = x, (x+2), (x+4)

x+x+2+x+4 = 63

3x+6=63

3x=57

x = 19

so, smallest number would be 19

8 0
3 years ago
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