Please help! I do not understand this!
...
Answers: 3
Mathematics, 21.06.2019 21:00, Kekkdkskdkdk
Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?
Answers: 2
Mathematics, 21.06.2019 22:00, HistoryLee
You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
Answers: 3
Mathematics, 22.06.2019 00:30, sanfordl
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mathematics, 23.02.2022 06:20
Physics, 23.02.2022 06:20
Chemistry, 23.02.2022 06:20
English, 23.02.2022 06:20
Mathematics, 23.02.2022 06:30
SAT, 23.02.2022 06:30