3 years ago

Kinda need help with 9,10,11 ...

1 answer:

5 0

...just write the angles that are congruent...And it says this is middle school,but this is elementary school problems...

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What is the constant of proportionality?

erastova [34]

Answer:

To find the constant of proportionality we use the formula k= y/x so we have k=20/500 =0.04

Step-by-step explanation:

8 0

3 years ago

A bird drops a nut from a height of 441 feet. Its height, h, in feet is given by the equation h=-16t^2=441 where t is the time i

Ahat [919]

<span> A bird drops a nut from a height of 441 feet.
Its height, h, in feet is given by the equation h=-16t^2=441
,where t is the time in seconds the nut has fallen.

The time it </span>will it take for the nut to hit the ground is given as:

$t^{2} = \frac{441}{16} \\ \\ t = \frac{21}{4} \\ \\ t = 5.25 seconds$