09/16/18

story problem

 A computer notebook manufacturer has a daily fixed cost of $10,500 and a marginal cost of $210 per notebook. Y=210x+10,5000. Find the average cost of a computer notebook assuming that 50... more

I need help putting this into an equation

How do I determine if this is a right triangle or not? How do I put it into an equation?There are 3 points ABC in the xy-plane have coordinates A(4, 3) B (-6, 2) C (-5, 7)Thanks so much for your help! more

09/16/18

What is the correct answers ?

3. Malin uses a piece of wire 80cm long to form a rectangle. The length of the rectangle is 12cm longer than its breadth. Find the length and the breadth of the rectangle. 4.Nita had $10m. After... more

09/16/18

Help with sequence question

The first difference of a sequence is 3, 6, 9, 12, 15. Find the first six terms in the original sequence in the following: The fifth term of the original sequence is 34. 

09/14/18

F(1/n)=0 for all n€N then prove F'(0)= F"(0)=0

F(1/n)=0 for all n€N then prove F'(0)= F"(0)=0

09/14/18

Find the midpoint of the line segment joining points A and B.

A (2,-7) B(4,3)

09/14/18

Find formulas for f/g and g/f. Give the domain for each.

f(x)=square root of x-2; g(x)=square root of x+4

When was the sunrise that day?

One person A start with constant speed at sunrise at A-town and move towards B-town. Another person B starts also with constant speed at sunrise at B-town and move towards A-town. They met at noon... more

09/13/18

the hundreds digit of my number is greater than the tens digit. the ones digit is less than the tens digit. what could my number be? write it in two ways

the hundreds digit of my number is greater than the tens digit.  the ones digit is less than the tens digit.  what could my number be? write it in two ways

I need help please

Allie has 5 baskets that each hold 5 candies and 3 toys. Alexis has the same total items, but she makes 4 baskets. In each basket, she uses 8 candies. How many toys are in each basket that Alexis... more

Find the points that are symmetric to (1,4)

A. Across the x-axis B. Across the y-axis C. Across the origin

09/13/18

the question is in the descrption

Train A and train B leave a central station at the same time. They travel the same speed, but in opposite directions, with train A heading towards station A, and train B heading towards station B.... more

09/12/18

The equation is 9x^2-25y^2=1, How do i test symmetry numerically and algebraically?

So for Precalc, we are doing symmetry with graphs. How do i test numerically if the equation is doesn't have the y isolated like F(x)=etc... What does it mean when you test it numerically?

need help with math

Solve the problem. See Example 8. (Objective 3)A rollover IRA of $18,350 was invested in two mutual funds, one earning 10% interest and the other earning 6%. After 1 year, the combined interest... more

The rectangular area they are fencing in is 4 metres wide and 7 metres long.

Abby is helping her father fence in a part of the yard for a garden. The rectangular area they are fencing in is 4 metres wide and 7 metres long. They need to put a post in the ground every 1.5... more

the area of a rectangular wall of a barn is 160 square feet. its length is 4 feet longer than twice its width. find the length and width of the wall of the barn

The area of a rectangular wall of a barn is 160 square feet. Its length is 4 feet longer than twice its width. Find the length and width of the wall of the barn

09/11/18

identify the set of numbers that best describes each situation

the amount of money in a bank? the exact temperature of a glass of water in degrees celsius?

09/11/18

10*3 tens standard form

I need help with math Problem

How many pounds of the Earl Grey tea and Orange Pekoe tea are required?

The Manager of a store that specializes in selling tea decides to experiment with a new blend. She will mix some Earl Grey tea that sales for $4 per pound with some Orange Pekoe tea that sells for... more

If x=c√b+4 find x+1/x with solution

The question has variable but answer is 5+3√3/2 I want solution

09/11/18

How many more pencils than markers are there?

 There are pens, pencils, and markers and a desk. The ratio of pens to pencils is 2:3.  The ratio of markers two pencils is 1:3.  If there are four pins in the drawer how many more pencils and... more

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