Tutors Answer Your Questions about Expressions-with-variables (FREE)
Question 573550: The measure of one acute angle in a right triangle is four times the measure of the other acute angle. Write and solve a system of equations to find the measures of the acute angle.
My input on this is : ?????????????????????????? Can somebody help me please?!!!!????!
Click here to see answer by TutorDelphia(193)   |
Question 576071: The marching band stand on the 50 yard line of the football field. After each set of steps, their distance ot the goal is 4/5 of the previous distance. how far do they travel in the 2nd set of steps and the 3rd set of steps?
Click here to see answer by josmiceli(9661)  |
Question 577732: Ok so we are doing these problems where you have to find x and y and the equations are 4x+3y=9 and the other one is 3x+4y=12 and what I did was I multiplied 4x+3y=9 and -3 and then i multiplied 3x+4y=12 and 4. But my question is would you multiply the 9 and 12 to? Or would you just multiply the equations? And did I multply by the right numbers?
Click here to see answer by KMST(1868)  |
Question 577885: Expand (s-3v)^5
I got the solution s^5-15s^4v+90s^3v^2-270s^2v^3+405sv^4-243v^5 which I know is correct, but they are looking for another solution as well and it's not even something with parentheses. It's one of theses three options:
Please help! :)
s^5-5s^4+90s^3-270s^2+405s-243
s^5+45s^4v-270s^3v^2+810s^2v^3-1215sv^4+729v^5
s^5-5s^4v+10s^v^2-10s^2v^3+5sv^4-v^5
Click here to see answer by jim_thompson5910(28504) |
Question 577885: Expand (s-3v)^5
I got the solution s^5-15s^4v+90s^3v^2-270s^2v^3+405sv^4-243v^5 which I know is correct, but they are looking for another solution as well and it's not even something with parentheses. It's one of theses three options:
Please help! :)
s^5-5s^4+90s^3-270s^2+405s-243
s^5+45s^4v-270s^3v^2+810s^2v^3-1215sv^4+729v^5
s^5-5s^4v+10s^v^2-10s^2v^3+5sv^4-v^5
Click here to see answer by richwmiller(9135)  |
Question 577885: Expand (s-3v)^5
I got the solution s^5-15s^4v+90s^3v^2-270s^2v^3+405sv^4-243v^5 which I know is correct, but they are looking for another solution as well and it's not even something with parentheses. It's one of theses three options:
Please help! :)
s^5-5s^4+90s^3-270s^2+405s-243
s^5+45s^4v-270s^3v^2+810s^2v^3-1215sv^4+729v^5
s^5-5s^4v+10s^v^2-10s^2v^3+5sv^4-v^5
Click here to see answer by KMST(1868) |
Question 577928: How do I write a scientic notation for the following information......Space vehicle goes 240,000,000 in 3 days(moon to earth) If it goes to Mars 350,000,000 miles,traveling the same speed it does going from earth to moon?
Click here to see answer by stanbon(57250) |
Question 28287: The perimeter of a rectangular garden is 52 feet. The length of the garden is 5 feet more than twice the width. Write a system of equations to find the dimensions of the garden, and then solve the systems of equations by substitution.
Click here to see answer by marbat96(1) |
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