2 years ago

Write the equation of the line in fully simplified slope-intercept form.

Mathematics

1 answer:

saw5 [17]2 years ago

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3 years ago

If an object is dropped from a height of 178 feet, the function h(t)=-16t^2+178 gives the height of the object after t seconds.

svp [43]

Answer:

B. 3.34s

Step-by-step explanation:

Find t when the object hit the ground, h(t)=0.

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0=-16t²+178

16t²=178

t²=11.125

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3 years ago

Is the number 144 rational or irrational?

Gelneren [198K]

The number 144 is rational because it can be expressed by 144/1

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Answer:

$9.4\:\mathrm{cm},\\9.4\:\mathrm{cm},\\29.6\:\mathrm{cm},\\29.6\:\mathrm{cm}$

Step-by-step explanation:

A kite consists of two pairs of congruent adjacent sides. Therefore, we have the following equation:

$2x+2(4x-8)=78$ , where $x$ is the length of the shorter sides.

Solving, we get:

$2x+8x-16=78,\\10x=94,\\x=\fbox{$9.4\:\mathrm{cm}$}$ .

Plugging in $x=9.4$ into $4x-8$ , we get:

$4(9.4)-8,\\37.6-8,\\\fbox{$29.6\:\mathrm{cm}$}$ .

Therefore, two sides have length $9.4\:\mathrm{cm}$ and two sides have length $29.6\:\mathrm{cm}$ .

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