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The product of 3 integers is -24 |
2019-11-06 |
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Rick pose la question :
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.
Penny Nom lui répond. |
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The sum of the ages of Ruth and her mother is 77 years. |
2019-11-06 |
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Lydia pose la question :
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?
Penny Nom lui répond. |
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Algebra |
2019-11-06 |
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Krizhia pose la question :
How is y= 1/2 * (x-1)² be x= √2y + 1. Please show me the steps
Penny Nom lui répond. |
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Bearings |
2019-11-05 |
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Deborah pose la question :
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
Penny Nom lui répond. |
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Increasing your average mark |
2019-11-01 |
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Elena pose la question :
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?
Penny Nom lui répond. |
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Liza works for a call center |
2019-10-31 |
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Timothy pose la question :
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?
Penny Nom lui répond. |
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The divisors (aliquot parts) of a positive integer |
2019-10-31 |
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Kenneth pose la question :
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?
Harley Weston lui répond. |
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Alex rents a car for one day |
2019-10-31 |
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Arshia pose la question :
Alex rents a car for one day. The charge is $25 plus $0.20 per mile. Alex wants to spend exactly $110. How many miles can he drive?
Penny Nom lui répond. |
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The largest integer k so that that 3335^k is a divisor of 3336! |
2019-10-29 |
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Brandon pose la question :
Hello my name is Brandon and I having difficulties in solving the following question: Given the number 3336! = 1.2.3.4........................3336 . What's the greater positive integer number k with the condition that 3335expk is a divisor of 3336!
Thanks for your help.
Penny Nom lui répond. |
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Even 5 digit palindromes |
2019-10-24 |
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daniel pose la question :
How many palindromes of 5 digits are even?
Penny Nom lui répond. |
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The center of a circle |
2019-10-24 |
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Patrick pose la question :
I'm trying to find a quick calculation to find the center of the circle that will touch the 3 points of an isosceles triangle.
Known dimensions are length of the triangle base and the height from the top point to the middle of the base.
Thanks in advance,
Kind regards,
Patrick
Penny Nom lui répond. |
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How many numbers from the set have the sum of its digits equal to 2? |
2019-10-24 |
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Marcel pose la question :
Hello. My question is the following: Given the set {1,2...........10exp2019}, how many numbers from the set have the sum of its digits equal to 2?
I got some of them : 2 20 200 2000 20000 .......2. 10exp2018 11 110 1100 11000 110000....101 1010 10100 101000 1010000....10011 10010 100100 1001000 1010000.....10001 100010 1000100 10001000,,,,,,100001 1000010 10000100.......
My problem is that I have difficulty in finding a strategy to obtain the exact quantity of numbers.
Please help me, thanks
Penny Nom lui répond. |
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The perimeter of a piece of a circle |
2019-10-18 |
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Arwin pose la question :
The radius of a circle is 17 cm. A chord XY lies 9 cm from the centre and divides the circle into two segments. Find the perimeter of the minor segment.
Penny Nom lui répond. |
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The domain of f + g |
2019-10-16 |
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Angel pose la question :
The domain of f+g when f(x)=8x+3 and g(x)=1-5x
Penny Nom lui répond. |
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How do you find the length and the width if all you had was area? |
2019-10-16 |
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Ali pose la question :
So, How do you find the length and the width if all you had was area?
Penny Nom lui répond. |
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