08/13/19

math homework 9th grade

3x = -x2 + 8x

08/13/19

math homework 9th grade

3x = -x2 + 8x

How many pounds of cashews should be mixed with the peanuts to ensure no change in the​ revenue?

A nut store normally sells cashews for​ $4.00 per pound and peanuts for​ $1.50 per pound. But at the end of the month the peanuts had not sold​ well, so, in order to sell 80 pounds of​ peanuts, the... more

What is the cube of the sum of x and twice y decreased by the product of a and b?

I just need some help with this algebra question.

08/13/19

Interest rates?

Ray paid $108 in interest on a loan that he had for 1 year and 6 months. The simple interest rate was 12% per year. How much was the principal?

08/13/19

Interest rates?

Jes wants to borrow $600 for a new game console and some games. Best Buy has a financing option where she can get everything today for zero dollars but has to pay $675 in 9 months. What is the... more

08/13/19

Interest rates?

Jes wants to borrow $600 for a new game console and some games. Best Buy has a financing option where she can get everything today for zero dollars but has to pay $675 in 9 months. What is the... more

What is 14 in relation to ones tens and hunc

The question is what is 14 One more , one less, ten more, or ten less what is the answer. And how did you get it

08/13/19

find the points

Find all points having an​ x-coordinate of 6 whose distance from the point ​(3​,−8​) is 5.

08/13/19

translate two times the sum of number and 5 is 20

A woman earns $600 for her first 40 hours in a week and then is paid one and one half times

A woman earns $600 for her first 40 hours of work in week and then is paid one-and one half times her regular rate for any additional hours, how many must she work to make $690 in a week?

Question description

Balu borrowed Rs.25,000 from Rathinam but could not repay the amount in a period of 5 years. Accordingly, Rathinam demands now Rs.35,880 from Balu. At what percent p.a. compound interest did... more

08/13/19

A parabola has a vertex at (-1, 0) and opens down. What is the equation of the parabola? y = -x 2 - 1

A parabola has a vertex at (-1, 0) and opens down. What is the equation of the parabola?y = -x 2 - 1

Solve for y: (see below)

3x+(-4)=2y+9Why can't we subsitute x with 0 to solve for y? is it because the equation isn't linear?

08/13/19

what can 5 be divided by

08/13/19

what number can7.96 and 5 can be divided by

08/13/19

Algebra has me stumped

Two more than product of negative six and a number is twenty. Find the number.

08/12/19

How is 27:6 equivalent to 18:4

How is 27:6 equvilent to 18:4

I have a math question that I can't get

A100ML pitcher of lemonade is currently 90% water and 10% lemon concentrate.How much water must you add to change the balance to 95% water a 5% lemon concentrate?

08/12/19

The formula for the volume V of rectangular prism is V = lwh. Rearrange the quantities in this formula to give a new formula for the width of the rectangular prism.

The formula for the volume V of rectangular prism is V = lwh, where l represents the length, w represents thewidth, and h represents the height. Rearrange the quantities in this formula to give a... more

08/09/19

A quadrilateral that has opposite sides congruent, opposite sides parallel, and opposite angles congruent is called:

a) rectangleb) squarec) parallelogramd) rhombuse) none

08/09/19

Probability Geometry

What is the probability of drawing 1 random card that is both a red card and an ace card, out of a standard deck of  playing cards?  Enter your answer as a fraction, using the / symbol, like this:... more

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