2 years ago

What is the area of a square with a 80 ft. Perimeter

Mathematics

1 answer:

slega [8]2 years ago

5 0

Answer:

400 sq. ft.

Step-by-step explanation:

We gotta find the length of a side:

First, we divide 80 by 4, because the perimeter of a square is (4 x side):

80 ft. / 4 = 20 ft.

Second, we doing the normal area of a square equation:

$20^{2}$ = 400 square ft.

Which leads to out answer of 400 sq. ft.

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PLZ HELP MEEEEE!!! i suck at fractions umu

Reil [10]

Answer:

The area of the baseboard is $135\ m^2$

Step-by-step explanation:

We have,

Length of the bed, l = 15 m

Width of the bed, b = 9/10 m

It is required to find the area of the baseboard. It is a shape of rectangle. The area of a rectangular shape is given by :

$A=l\times b\\\\A=15\ m\times \dfrac{9}{10}\ m\\\\A=\dfrac{135}{10}\ m^2\\\\A=135\ m^2$

So, the area of the baseboard is $135\ m^2$

8 0

3 years ago

A paper clip is dropped from the top of a 144‐ft tower, with an initial velocity of 16 ft/sec. Its position function is s(t) = −

BabaBlast [244]

$\bf s(t)=-16t^2+144\implies \stackrel{velocity}{\cfrac{ds}{dt}}=-32t$

when does it hit the ground? check the picture below.

$\bf 0=-16t^2+144\implies 16t^2=144\implies t^2=\cfrac{144}{16}\implies t^2=9
\\\\\\
t=\sqrt{9}\implies t=3$

at that moment, the velocity is -32(3).