John Landry
2022-07-26
Answered

A track and field playing area is in the shape of a rectangle with semi-circles at each end. The inside perimeter of the track is to be 400 meters. What should the dimensions of the rectangle be so that the area of the rectangle is a maximum?

You can still ask an expert for help

escobamesmo

Answered 2022-07-27
Author has **18** answers

99 and 101

99*101 would equal 9999

you want to get the biggest possible numbers which add up to 400(all 4 sides), but it cannot be 100 on each side since it is arectangle and not a square.

99*101 would equal 9999

you want to get the biggest possible numbers which add up to 400(all 4 sides), but it cannot be 100 on each side since it is arectangle and not a square.

asked 2021-01-04

Write in words how to read each of the following out loud.

a. $\{x\in {R}^{\prime}\mid 0<x<1\}$

b. $\{x\in R\mid x\le 0{\textstyle \phantom{\rule{1em}{0ex}}}\text{or}{\textstyle \phantom{\rule{1em}{0ex}}}x\Rightarrow 1\}$

c. $\{n\in Z\mid n\text{}is\text{}a\text{}factor\text{}of\text{}6\}$

d. $\{n\in Z\cdot \mid n\text{}is\text{}a\text{}factor\text{}of\text{}6\}$

asked 2021-08-11

A ball is tossed upward from the ground. Its height in feet above ground after t seconds is given by the function $h\left(t\right)=-16{t}^{2}+24t$ . Find the maximum height of the ball and the number of seconds it took for the ball to reach the maximum height.

asked 2020-12-22

What is the square root of 16

asked 2021-08-06

We can find the solutions of $\mathrm{sin}x=0.3$ algebraically.

a) First we find the solutions in the interval$[0,2\pi )$ . We get one such solution by taking $\mathrm{sin}}^{-1$ to get $x\approx$ ______. The other solution in this interval is $x\approx$ ______.

b) We find all solutions by adding multiples of _____ to the solutions if$[0,2\pi )$ . The solutions are $x\approx$ _______ and $x\approx$ _______.

a) First we find the solutions in the interval

b) We find all solutions by adding multiples of _____ to the solutions if

asked 2021-08-11

Some friends were playing darts decided to impose a 4-point penalty for each dart that missed the dart board completely. During the evening, a boy had 3 darts in the 20-point section, 6 darts in the triple-15-point section, and 2 darts in the double-10-point section. He missed the dart board completely 4 times. How many points did the boy score?

asked 2022-05-19

What is the GCF of 180, 108, and 75?

asked 2022-06-24

How can you use ' factorization to determine if 738 is evenly divisible by 14?