3 years ago

The table represents the function f(x)=2x+1

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

4 0

Maybe try using Photomath it works for me. Good luck

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1/2 ÷ 2/25 what improper fraction

maw [93]

Answer:

25/4

Step-by-step explanation:

divide the 1/2 and 2/25 and thats how you get the answer:

25/4

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2 years ago

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In a video game, a bird is flung on a sling shot and follows a parabolic path. The path of the bird can be modeled by the equati

Novay_Z [31]

Answer:

The bird will take 0.88 seconds to reach a height of 40 feet in the air for the first time

Step-by-step explanation:

we have

$h=-16t^2+55t+4$

This is a vertical parabola open downward

The vertex represent a maximum

where

h is the height of the bird

t is the amount of time, in seconds, the bird had been in the air

For h=40 ft

substitute in the quadratic equation

$40=-16t^2+55t+4$

$-16t^2+55t+4-40=0$

$-16t^2+55t-36=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$-16t^2+55t-36=0$

$a=-16\\b=55\\c=-36$

substitute in the formula

$x=\frac{-55\pm\sqrt{55^{2}-4(-16)(-36)}} {2(-16)}$

$x=\frac{-55\pm\sqrt{721}} {-32}$

$x=\frac{-55+\sqrt{721}} {-32}=0.88\ sec$

$x=\frac{-55-\sqrt{721}} {-32}=2.56\ sec$

therefore

The bird will take 0.88 seconds to reach a height of 40 feet in the air for the first time

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3 years ago

Mai started with 20 bracelets and gave away x bracelets. Jon started with 35 bracelets and gave

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Gpisd

Step-by-step explanation:

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3 years ago

Help on # three it’s due in 10 minuets!!

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16 = 48/3
48 divided by 2 = 24
There is 24 students in the club.

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3 years ago

A right rectangular prism is packed with cubes of side length 1/2 inch. If the prism is packed with 5 cubes along the length, 3

lesya [120]

The answer is C 11 1/4 or 11.25 Cubic inches

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3 years ago