3 years ago

6

Mathematics

1 answer:

dmitriy555 [2]3 years ago

4 0

1728
ok that’s it nothing more or less

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In a school 3/5 of children are boys and the number of girls is 2000. Find the number of boys.

Ahat [919]

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3000

Step-by-step explanation:

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3 years ago

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Find the value of x so that the function has the given value. 2(x) = 2x + 7; n(x) = 17

Galina-37 [17]

Answer:

x = 5

Step-by-step explanation:

Maybe you have ...

n(x) = 2x +7

and you want x for n(x) = 17.

17 = 2x +7

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Pablo and max's follows a flight pattern approximatley modled by the equation h(t)=-8t^2+16t+2 where h(t)is their rocket's heigh

kodGreya [7K]

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Step-by-step explanation:

Given

Equation of rockets height is given by

$\Rightarrow h(t)=-8t^2+16+2$

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So, we can write

$\Rightarrow h(t)=0\ \text{or}\ -8t^2+16t+2=0\\\Rightarrow 8t^2-16t-2=0\\\\\Rightarrow t=\dfrac{16\pm \sqrt{(-16)^2-4(8)(-2)}}{2\times 8}\\\\\Rightarrow t=\dfrac{16\pm \sqrt{320}}{16}\\\\\text{Neglecting negative value of t}\\\\\Rightarrow t=\dfrac{16+17.888}{16}=2.11\ s$