Using two variables and two equations to find the answer
Using two variables and two equations to find the answer
Trying too find n. I think this would involve natural log, but I'm confused since there's a negative.
9 books are to be bought by a student. Some cost $6 each and the remainder cost $6.50 each. If the total amount spent was $56, how many of each were bought?
Randall is 6 years older than Amy. In 7 years the sum of their ages will be 46. How old is Randall now?
I tried doing P = 2U > P = 2(P+20) but it does not work
9(-3x-12)-3(x-8) > 9(-3x-10)-5(x+10) Would it come out to be -30x-57 > -32x-140 ? Edit: I see my mistake thank you for solving ***SOLV...
I'm stuck on this priblem and not sure how to do it please solve it with the steps, thank you.
Expand (√5 + 2√3)(√5 -2√3). Express your answer as simply as possible. Please explain how to answer this question. Thanks :)
Rationalise the denominator of 21/√7 and simplify the answer. Please explain a) what this question means and b) how to answer it. Thanks :)
Solve 3/x + 3/2x = 2 Please explain how to answer this question. Thank you :)
I usually know how to solve interest problems but I seem to be really stuck on this one. Any help would be appreciated! It says A college student receives an interest-free loan of $8250 from a...
i need help
23x-6y=7x+6y
You charge $2 per square yard to paint. Which equation can you solve to find the amount you will charge to paint a triangular wall with a base of 4 yards and a height of 6 yards?
Can you show me how to proof that this triangle in both situations as fast as you can thanx in advance
i need help determining if there are no solution, one solution l, or an infinite number of solutions.
I need help figuring out if there are no solutions, one solution or an infinite number of solutions.
Ted Williams and Rogers Hornsby were two great hitters in Major League Baseball. Together, they got 5584 hits in their careers. Hornsby got 276 more hits than Williams. How many base hits did each...
In the problem it shows a box with a height of 8 cm, a length of 9cm, and a width of 12 cm. Running through the middle of the inside of the box is a dashed line. What is the length of the...
Help simplifying -10 / (4 minus square root of 3)