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Filling holes with stone dust 2020-07-30
From Zach:
Iím looking for amount of stone dust needed for thirteen holes with a 3ft depth and 12in diameter with a 4x4 post. I would need the measurement in KG.
Answered by Harley Weston.
A tank, 5/9 full of water 2020-07-28
From Nat:
A rectangular tank contains 1200cmsquare of water when it is 5 out of 9 full . Its base area is 80cmsquare . Find the height of the tank.
Answered by Penny Nom.
Five rational numbers between -4 and -3 2020-07-28
From Priyanshi:
Five rational numbers between -4 and 3
Answered by Penny Nom.
x+sin(x) 2020-07-24
From adm:
f(x)=x+sin(x)

to evaluate f(30)

use radians only or degrees

Answered by Harley Weston.
Choosing 4 balls from 9 2020-07-22
From sandiso:
What is the probability associated with each possible random sample of size 4 from the population consisting of these nine balls
Answered by Penny Nom.
why percents can be helpful 2020-07-02
From THERESA:
why percents can be helpful
Answered by Penny Nom.
4sin(2x)cos(2x)+1=0 2020-07-02
From Sheila:
4sin(2x)cos(2x)+1=0
Answered by Penny Nom.
Some strings of 4 digits 2020-06-26
From Judy:
I wrote previously and need more help. I need to generate a list of 4 digit. Numbers using 0-9 with no repetitions
I know that there is a 6 followed by a 2. Order does matter
Thank you in advance for your help.

Answered by Penny Nom.
Scale factor 2020-06-26
From Kinza:
Hi, my question is The perimeter of a triangle is reduced from 75cm to 20cm. What is the linear scale factor?
Answered by Penny Nom.
A word problem involving linear equations 2020-06-22
From Allie:
The length of a rectangular swimming pool is p m and its width is q m. Its given tht the length of the swimming pool is twice its with. if the perimeter of the swimming pool is 150 m, find the values of p and q this is in the chapter linear equations
Answered by Penny Nom.
A word problem with fractions 2020-06-21
From Sthantsa:
I'm stuck with this question, I don't know where to begin because i really don't Know where to start.

Jessie and Thulani each has a sum of money. Jessieís amount is 2/5 that of Thulaniís. If Thulani were to give Jessie R198, then his remaining amount will be 6/8 that of Jessieís amount.
How much does Jessie have originally??

Answered by Penny Nom.
1 square cm is 100 square mm 2020-06-19
From macie:
explain why the conversion factor for cm squared to mm squared is 100 ,and not 10
Answered by Penny Nom.
390 as a percentage of 800 2020-06-18
From Yug:
What percentage is 390 grams of 800 grams?
Answered by Penny Nom.
The substitution method 2020-06-10
From Hardebolar:
simultaneous equation by substitution method

.a-b=2/3
a+b=1 2/3

Answered by p.
Working backwards 2020-06-05
From Jill:
Emma has a bunch of grapes (1)/(2 ) of it she gave it to her friend and (3)/(4 ) of the remaining grapes she gave it to Gina. There are 4 grapes remaining. So how many bunch of grapes to begin with?
Answered by Harley Weston.
 
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