The sum of two numbers is twenty and the sum of their squares is less than 362. find all the integers.

This is a Mathematical problem solving in high school

08/18/18

From a bag of numbers 1-25, one number is extracted. The probability of drawing a number divisible by 5 is ?

From a bag of numbers 1-25, one number is extracted. The probability of drawing a number divisible by 5 is ?

08/18/18

The number of integer pairs x,y such that xy-3x+5y=0

The number of integers x,y such that xy-3x+5y=0

a positive real number is 2 more than another.

A positive real number is 2 more than another. If the sum of the squares of the two numbers is 16, find the numbers.

one and a half ducks lay one and a half eggs in one a half day . how many eggs do five ducks lay in 6 days

i need the answer for this question asked to me by my maths teacher  

08/18/18

A painting is 20 cm wider than its height. Its area is 2400 cm^2. Find the width and the height of the painting.

Please help me find the width and the height. I would appreciate it very much.

08/15/18

Father told daughter when I was your age you are 4 yrs old . When you will be of my age ,I will be 79 yrs old.what is the age of Father and daughter now?

Father told daughter when I was your age you are 4 yrs old . When you will be of my age ,I will be 79 yrs old.what is the age of Father and daughter now?

08/15/18

Four more than three times a number is equal to 27

How to express,Four more than three times a number is equal to 27

08/14/18

If a car travels at 65 mph for 2.25 hours, how far does it go in miles? in meters?

Use train track method 

How many messages did they each send?

Rain, Ahmad and Eric sent a total of 66 messages over their phone. Ahmad sent 6 more messages than Rain. Eric sent 2 times as many messages as Ahma.

08/14/18

translate the given information into a system of equations.and write the conclusion. the question is below

the sum of the length,width, and height of a rectangular box is 17 cm.twice the width exceeds the height by 1. the sum of the length and the width is shorter than the height by 1 cm. find the... more

08/14/18

translate the given information into a system of equations.and write the conclusion. the question is below

A man borrowed an interest-free amount from his mother, another amount 10% monthly interest from his brother and another from his friend at 20% monthly rate of interest. due to the interest the... more

08/10/18

how do I multiply 30.30

please multiply 30x30.

If a_b means a^2 + b^2, and a _ b means 2^a + 2^b, find 2_(3 _ 4).

Pay attention to the underscores. I am not sure what they mean, it is just a part of the question and has an different effect depending on which one is used. It is most likely to be +, -, *, /.

Ten scores have a mean of 9. What must the 11th score be to increase the mean by 1?

Ten scores have a mean of 9. What must the 11th score be to increase the mean by 1?

total 50 participants out of them rank 1 is 10, rank 2 are 5, rank 3 are 20, rank 4 are 10 and rank 5 are then what is avarege ranking

highly dissatisfied score 1 are 10 , dissatisfied score 2 are 5, neither satisfied nor dissatisfied score 3 are 20, satisfied score 4 and highly satisfied score 5 total participants are 50 then how... more

find the integers

a positive integer is twice another. The difference of the reciprocals of the two positive integers is 1/8.

08/06/18

word problems

Darien vacuums the carpet at his church once a week. It takes him 4 hours. It takes his cousin Nikki 2 hours. How long will it take them if they work together? Include units in your answer.

08/06/18

word problems

If the same number is added to the numerator and denominator of 2/5,the resulting fraction is equal to 2/3. What is the number?

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