Mathematics, 18.12.2020 14:40 Kangarue27
Another reverse percentages question. i tried doing a method i learnt but got 19.2-which is not correct.
during a promotion a bag of sweets contain 20% extra free. There are 24 sweets in the bag during the promotion.
How many sweets are there normally?
Answers: 3
Mathematics, 21.06.2019 13:00
Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.
Answers: 2
Mathematics, 21.06.2019 17:00
Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false
Answers: 2
Mathematics, 21.06.2019 18:00
Is a positive integer raised to a negative power always positive
Answers: 1
Mathematics, 21.06.2019 21:10
Indicate the formula for the following conditions: p^c(n,r)=
Answers: 3
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