







Simultaneous equations with fractions 
20181214 

zaheer pose la question : solve simultaneous equations and give answer in fractional form
3x  2 = 4y +5/3
y + 7 = 2x + 4
would really appreciate some help on this please Penny Nom lui répond. 





The height of a tower 
20181212 

Pandey pose la question : Hello sir plz solve this question. If the shadow of a tower is found to be 10.5m longer when the sun's altitude is 45°AND60°. Find the height of the tower. Penny Nom lui répond. 





An open top box 
20181212 

Kirklan pose la question : Jeremy wants to construct an open box from an18inch square piece of aluminum. He plans to cut equal squares, with sides of x inches, from each corner and then fold each side up to form the box. If Jeremy wants the volume of the box to be 432 cubic inches, what should the minimum length of the sides of the squares cut from each corner be? Find the volume, V, of the box as a function of x. Given: V = length × width × height. Penny Nom lui répond. 





The area and weight of sod 
20181211 

Susan pose la question : I have equipment that will cut sod 30 inches across and 75 Feet in length?
how much will this be in square foot age ? Yards? Approximate weight? Penny Nom lui répond. 





Angular velocity 
20181205 

Kolade pose la question : Krusty the Clown and Sideshow Bob have covered themselves in velcro, and shot themselves out of a large
cannon so that they stick to a huge rotating velcro wheel (don’t try this at home). As shown in Figure 1(a),
Krusty is now stuck to a point 3.00 m from the center of the wheel while Bob is stuck to another point 5.00 m
from the center. The wheel is rotating counterclockwise at 10.0 rpm. Conveniently a set of axes is suspended
just in front the wheel (Krusty asked for axes, like the ones you would use to chop wood, so that he and Bob
could chase each other with them in the usual wholesome entertainment he is known for. Unfortunately, the
set designer misunderstood.) The axes do not rotate with the wheel.
(a) Find Krusty’s and Bob’s angular velocities, in radians per second. Penny Nom lui répond. 





A puzzling equation 
20181204 

Manny pose la question : Hello,
Can you explain why this is wrong:
1 = (1)^3 = (1)^{6/2} = ((1)^6)^{1/2} = (1)^{1/2} = 1 ??
Thank you Penny Nom lui répond. 





A square and a triangle 
20181203 

Livvy pose la question : a square with a perimeter of 48 and a triangle with a perimeter of 38. when they are joined they make a pentagon. please find the perimeter
how can you find the perimeter of this. could you please help me? Penny Nom lui répond. 





The top of a truncated cone 
20181202 

Sameer pose la question : Bottom cone radius 1124.height is 200. Top radius 15degree decree to bottom radius. Top radius how much ? Penny Nom lui répond. 





How many solutions does 3 (x + 4) = 3 x + 4 have? 
20181201 

Milan pose la question : how many solutions does 3 (x + 4) = 3 x + 4 have? Penny Nom lui répond. 





Four digit numbers from 0, 1, 2 and 3 
20181130 

A parent pose la question : how many four digit numbers can be formed using nos.0,1,2,3 if repetition is allowed? Penny Nom lui répond. 





y = x  1 
20181130 

alexis pose la question : what does this mean y=x1 Penny Nom lui répond. 





Two cones formed from two circular sectors 
20181130 

APARNA pose la question : The central angles of two sector of a circle are 60° and 120° . Using these sectors two cones are made. If the radius of the smaller cone is 5 cm, find the radius and base area of the larger cone. Penny Nom lui répond. 





0.025% of 575 billion 
20181128 

JoAnne pose la question : What is .025% of 575 billion dollars? Penny Nom lui répond. 





Ordering fractions 
20181125 

Mae pose la question : order these from least to greatest:
19/6, 3 5/14, 83/21 Penny Nom lui répond. 





1 acre by 3 inches deep 
20181123 

Cheri pose la question : How many yards of soil does it take to cover 1 acre in 3 inches of soil? Penny Nom lui répond. 

