3 years ago

Simplify 8 (10+3+5v)-2v

Mathematics

1 answer:

Bogdan [553]3 years ago

7 0

I hope this helps you

8.10+8.3+8.5v-2v

80+24+40v-2v

104+38v

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An object at the top of a building with height 110 feet is thrown upward with an initial speed of 23 ft/s. Find its position z(t

alina1380 [7]

Answer:

Step-by-step explanation:

Given

Height of building is $h=110\ ft$

Initial upward velocity $u=23\ ft/s$

height of object is given by

$z(t)=ut+\frac{1}{2}gt^2$

but building is already at a height of 110 ft so z(t) must be given by

$Z(t)=ut+\frac{1}{2}(-g)t^2+110$

$Z(t)=23\times t-\frac{1}{2}\times 9.8\times t^2$

$Z(t)=-16t^2+23t+110$

Time when it hits is given by when Z(t)=0[/tex]

$-16t^2+23t+110=0$

$t=\frac{-23\pm \sqrt{(23)^2-4\times (-16)\times 110}}{2\times (-16)}$

$t=\frac{-23\pm 87}{-32}$

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4 years ago

What is the equation of a line parallel to the line that passes through the

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Answer:

We can write the equation of a line parallel to a given line if we know a point on the line and an equation of the given line. y=2x+3 . Parallel lines have the same slope. The slope of the line with equation y=2x+3 is 2 .

Step-by-step explanation:

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2 years ago

I need the answer plzz I need help

Volgvan

God bless everyone vankka is correct!

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strojnjashka [21]

9 1/4
= 37/4

Therefore the reciprocal will just be the inverse which is...

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Multiply x2-3x-2 by 1/7x.

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2x - 3x - 2 • 1/7x

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-1/7x • 2

The answer would be about -0.3x ?

If I’m understanding correctly.

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2 years ago