Arthur D.

09/02/18

John is 3 years older than jim.jim is 4 years less than twice david's age. How old are the three boys if their ages add up to 35.

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Maths

09/01/18

give solution

A SHOPKEEPER OFFFERS THREE SUCCESSIVE DISCOUNTS OFF 20%,15%AND 10%TO HIS CUSTOMER .THE SALES CLERK WISHES TO AVOID HAVING TO MAKE SO MANY CALCULATIONS AND WORK OUT A SINGLE PERCENTAGE . WHAT IS THE... more

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Trigonometry Unit Circle

09/01/18

tan(-20)= -tan(20). Why?

In two or more complete sentences, use your knowledge of the unit circle to describe why the following trigonometric equation is true.tan(-20°) = -tan(20°)

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Solving Linear Equations Simultaneous Equations

09/01/18

I need help pls!! I'm really confused. Question about simultaneous equations

At a snack bar, a group of boys spend £80 on 10 pizzas and 5 cups of coffee. At the same bar, a group of girls spens £55 on 5 pizzas and 10 cups of coffee. Later on they were joined by their... more

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Algebra Word Problem

08/31/18

Algebra Help (question in description)

In a round-robin chess tournament, each player is paired with every other player once. The function, shown below, models the number of chess games, N, that must be played in a round-robin... more

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Whats The Pattern Whts The Pattern

08/29/18

I am trying to figure out the sequence. 1,2,1,1,2,3,2,1,1,2,3,4,3... what's next? Cant figure out the pattern.

Trying to figure out the pattern, and I can't seem to find one. I need help

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Math Word Problem

08/29/18

if 9x is an odd integer, represent the next odd integer as an algebraic expression in x

i cant solve it

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Ch 3

08/29/18

Replace * by the smallest digit so that:1)6*78905 is divisible by 11

Please let this question fast

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Ge4omtry

08/28/18

Arc and Sectors

Find the radius of a circle on which a central angle measuring 5π65π6 radians intercepts an arc on the circle with a length of 35π35π centimeters.

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Pemdas

08/28/18

Just trying to educate some people on PEMDAS orders. With the equation 12-6÷2=?, what would you do? I got 3.

12-6÷2=?

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Math Combinations Knowledge Check

08/28/18

You rent 4 movies. All are different categories. How many orders can you watch them in?

There are friends over and you rent 4 movies. One comedy, one animated, one action and one science fiction. How many orders can you watch the movies in?

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Math Scramble

08/28/18

how to get 26 using 2 7 10 5

how to get 26 using 2 7 10 5, we can use + - / * and square root operations. This is for a sixth grade math class.

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Math Help For College

08/26/18

Consider the line y=2x-8

What is the slope of a line parallel to this line? What is the slope of a perpendicular to this line?

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Find L

08/26/18

Find the missing endpoint if K is the midpoint of line segment LM

K(-4,-6) and M(-7,-3); find L.

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Maths Word Problem Solution

08/26/18

How do you solve this

Bobs watch loses two min every hour. Adams watch gains one min every hour. They both set their watches from the radio at 6:00 a.m. Then start their journeys to the airport. When they arrive (at the... more

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Other

08/24/18

What's closer to 13 billion? 100 Million or 50 Billion

Simple math question. Can't think of it for some reason

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Digits, Divisibility, Olympiad Math

08/23/18

6 digit divisibility by 666

Let n, n+1, n+2 be digits (where n is different from 0). Using them, it is possible to create 6 different 3 digit numbers. Prove that the sum of the 6 3 digit numbers is divisible by 666

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Multiplication

08/23/18