|
|
|
|
|
|
|
|
The area and volume of a wedge |
2019-11-30 |
|
From Jasmine: what is the volume and surface area of a wedge with definition Answered by Penny Nom. |
|
|
|
|
|
An exterior angle of a parallelogram |
2019-11-29 |
|
From A student: one angle of a parallelogram is four times the measure of the exterior angle adjacent to it. find the interior angles Answered by Penny Nom. |
|
|
|
|
|
Caleb age and Juliet age add up to 25 years. |
2019-11-22 |
|
From tolulope: Caleb age and Juliet age add up to
25 years. eight years ago,Caleb was twice as old as Juliet. how old are they now. Answered by Penny Nom. |
|
|
|
|
|
The length and width of 1 1/3 acres |
2019-11-22 |
|
From Ben: I’m trading to figure out what the length and width of 1 1/3 of an acre
would be in a rectangle or in a perfect square Answered by Penny Nom. |
|
|
|
|
|
cos (3pi/2 -x) |
2019-11-20 |
|
From sam: 1. express the following as a trigonometric function of angle x for cos (3pi/2 -x)
the answer in the textbook is -sin x but i am unsure of the process to get the answer. Answered by Penny Nom. |
|
|
|
|
|
A four person race |
2019-11-19 |
|
From Juvy: Ben finished seven seconds ahead of Mike.
Noel finished three seconds behind of Sam.
Mike finished five seconds behind Noel.
In what order did the friends finish the race? Answered by Penny Nom. |
|
|
|
|
|
A hexagonal planter |
2019-11-19 |
|
From Colleen: I need to build a hexagon planter around a 32” square box. How long is each side of the hexagon? Answered by Penny Nom. |
|
|
|
|
|
Beginning algebra |
2019-11-19 |
|
From Maya: Two numbers have a sum of 57. Three times the first number is 13 less than the second number.
Find the numbers.
Use let statements to help you solve. (Grade 9 math)
-Maya (help would be appreciated) Answered by Penny Nom. |
|
|
|
|
|
The product of 3 integers is -24 |
2019-11-06 |
|
From Rick: This is a question on my sons pre-ap practice quiz.
I think that there is information missing (?)
The product of 3 integers is -24
The sum of 3 integers is -12
What are the 3 integers ?
This is exactly how it was written on his quiz paper.
I have wasted to much time on the internet, trying to find a
formula(s) to help him.
Please help me. Answered by Penny Nom. |
|
|
|
|
|
The sum of the ages of Ruth and her mother is 77 years. |
2019-11-06 |
|
From Lydia: The sum of the ages of Ruth and her mother is 77 years. The difference in their ages is 27 years. How old is each? Answered by Penny Nom. |
|
|
|
|
|
Algebra |
2019-11-06 |
|
From Krizhia: How is y= 1/2 * (x-1)² be x= √2y + 1. Please show me the steps Answered by Penny Nom. |
|
|
|
|
|
Bearings |
2019-11-05 |
|
From Deborah: three ships p q and r are at sea. the bearing of q from p is 30° and the bearing of p from r is 300°. if |PQ|=5km and|PR|=8km
I.illustrate the information in a diagram
II. calculate correct to 3sf the I. distance between Q and R. II. bearing of R from Q Answered by Penny Nom. |
|
|
|
|
|
Increasing your average mark |
2019-11-01 |
|
From Elena: After 9 weeks Mikayla has an average ark of 5 out of 10 in the weekly spelling tests. What is the minimum number of extra weeks now required to raise her average to 7? Answered by Penny Nom. |
|
|
|
|
|
Liza works for a call center |
2019-10-31 |
|
From Timothy: Liza knows that in the long term, she has a 65% chance of making a sale when calling on customers. One morning, he makes Six calls.
a. What is her probability of making three calls?
b. What is her probability of making sales fewer than three? Answered by Penny Nom. |
|
|
|
|
|
The divisors (aliquot parts) of a positive integer |
2019-10-31 |
|
From Kenneth: Is there a fast and simple method that can be used to determine the aliquot parts, whole, positive numbers that can divide into another whole, positive number? Answered by Harley Weston. |
|
|