2 years ago

The polynomial function 1x) = 5x^5+16/5x-3

Mathematics

1 answer:

Lena [83]2 years ago

3 0

First option. gboicboybkivnjonn

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3 years ago

-8 -8x + 10 + 6x = 19

hram777 [196]

Answer:

x = -8.5

Step-by-step explanation:

Let's rearrange the question to find x :)

-8x + 6x + 10 - 8 = 19

-2x + 2 = 19

-2 -2

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/-2 /-2

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2 years ago

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]

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

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

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

$t=3.43\ s$

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3 years ago

Why do some utility companies allow customers to pay an average fee each month?

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3 years ago

Read 2 more answers

Evaluate the function f(x) = x2 +1 for f(2).<br> 1<br> 5<br> 7

zaharov [31]

Answer:

b) 5

Step-by-step explanation:

f(x) = x² + 1

f(2) = (2)² + 1

= 4 + 1

= 5

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2 years ago