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Question 181685: x^2 + 2x= 3/4=0
answer x= -3/2 or -1/2

need a full break down of how my book got this answer
Click here to see answer by Alan3354(30959)

Question 181736: Method of Substitution
10. Charlene makes two types of guilts. For the first type, she charges $25 for material and $50/h for hand quilting. For the second type, she charges $100 for material and $20/h for machine quilting. For what number of hours are tthe costs the same?
Please and thank you very much. I need it today!!!
Click here to see answer by ankor@dixie-net.com(15624)

Question 181731: Method of Substitution
9. Joanne's family decides to rent a hall for her retirement party. Pin Hall charges $500 for the hall and $15 per meal. Bloom Place charges $350 for the hall and $18 per meal.
a) Write two equations to represent the information.
b) Solve the linear system to find the number of guests for which the charges are the same at both halls.
Pleaseee and thank you very much. I need it today!!!
Click here to see answer by Mathtut(3670)

Question 181727: Method of Substitution
8. Ugo plays hockey and is awarded 2 points for each goal and 1 point for each assist. Last season he had a total of 86 points. He scored 17 fewer goals than assists.
a) Write a linear system to represent the information.
b) Solve the system using the method of substitution.
c) What does the solution represent in the context of this equation?
Please and thank you very much.
Click here to see answer by Mathtut(3670)

Question 181746: Method of Substitution
13. Explain why it would be appropriate to solve the following linear system either by substitution or by graphing.
x+y=4
y=2x+4
Pleaseeeeeeeeeeeee and thankssssssss lotttttttt
I need it today!!!!
Click here to see answer by Mathtut(3670)

Question 181799: 1=3x^2 + 2x

answer: x=-1 or 1/3
need a break down of how my text book got this answer
Click here to see answer by Mathtut(3670)

Question 181798: -4x^2=32x+ 48

answer : x=-6 or -2
need a break down of why the answer is the answer
Click here to see answer by checkley77(12569)

Question 181797: 2x^2- 2/3x - 1/6 =0

answer: x= -1/6 or 1/2

need a break down of why my text book got this answer
Click here to see answer by Alan3354(30959)

Question 181797: 2x^2- 2/3x - 1/6 =0

answer: x= -1/6 or 1/2

need a break down of why my text book got this answer
Click here to see answer by nerdybill(6948)

Question 181796: x^2 +2x + 3/4 = 0

answer:x= - 3/2 or - 1/2

need a break down of how my book got this answer
Click here to see answer by Alan3354(30959)

Question 181796: x^2 +2x + 3/4 = 0

answer:x= - 3/2 or - 1/2

need a break down of how my book got this answer
Click here to see answer by solver91311(16868)

Question 181829: Method of Substitution
1. Solve each linear system using the method of substitution. Check your answers.
a) y=3x-4
x+y=8
Pleaseeeee and thank you very much i need it right now pleasee
Click here to see answer by jim_thompson5910(28476)

Question 181836: Method Substitution
c) y=-2x+3
4x-3y=1
Please and thanks a lot
i am really confused
Click here to see answer by solver91311(16868)

Question 181853: Method of Substitution
5. Find the point of intersection of each pair of lines.
e) x-2y-2=0
3x+4y-16=0
Pleaseeeeee can you help me? thanksssssssss
Click here to see answer by vleith(2825)

Question 181852: Method of Substitution
5. Find the point of intersection of each pair of lines.
d) a+b+6=0
2a-b-3=0
Pleasee i am really confused i dont get it
Click here to see answer by solver91311(16868)

Question 181851: Method of Substitution
5. Find the point of intersection of each pair of lines.
c) p+4q=3
5p=-2q+3
Pleasee and thank you very much!!!!
Click here to see answer by solver91311(16868)

Question 181850: Method of Substitution
5. Find the point of intersction of each pair of lines.
b) 4x+2y=7
-x-y=6
Pleaseeeee and thank you very much
Click here to see answer by solver91311(16868)

Question 181847: Method of Substitution
5. Find the point of intersection of each pair of lines.
a) 2x=y+5
3x+y=-9
Pleaseeeeeeee and thank you very much!!!!!
Click here to see answer by solver91311(16868)

Question 181842: Method of Substitution.
4. Solve by substitution. Check your solution.
e) 2x+y=4
4x-y=2
pleaseeee and thank you very much
Click here to see answer by solver91311(16868)

Question 181841: Method of Substitution
4. Solve by substitution. Check your solution.
d) 3a+2b=4
2a+b=6
Pleaseeee and thanksssssss
Click here to see answer by solver91311(16868)

Question 181840: Method of Substitution
4. Solve by substitution. Check your solution.
c) 2m+n=2
3m-2n=3
Pleaseeeeeeeeeee i confused
Click here to see answer by solver91311(16868)

Question 181839: Method of Substitution
4. Solve by substitution. Check your answers.
a) x+2y=3
5x+4y=8
Pleaseeeee help me i dont even know how to do it...:(
Click here to see answer by solver91311(16868)

Question 181837: Method of Substitution
d) 2x+3y=-1
x=1-y
Please!!! thank you very much
Click here to see answer by solver91311(16868)

Question 181834: Method of Substitution
b) x=-4y+5
x+2y=7
Pleaseeeee and thank you very much...
Click here to see answer by solver91311(16868)

Question 181831: Method of Substitution
1. Solve each linear system using the method of substitution. Check your answers.
b) x=-4y+5
x+2y=7
Pleaseeeee and thank you very much!!!:)
Click here to see answer by solver91311(16868)

Question 181747: Method the Substitution
14. The following three lines intersect to form a triangle.
y=x+1
2x+y=4
x+y=5
a) Find the coordinates of each vertex.
b) Is this a right triangle? Explain how you know.
Thank you very muchhhhhhhhhh pleaseeeeeeeeeee
Click here to see answer by solver91311(16868)

Question 181745: Method Substitution
12. Explain why the following linear system is not easy to solve by substitution.
3x+4y=10
2x-5y=9
Thank you very much and i need it today.
Click here to see answer by checkley77(12569)

Question 181880: Method of Substitution=Problem Solving
6. Samantha works twice as many hours per week as Adriana. Together they work a total of 39 hour one week.
a) State how ou will assign variables.
b) Write an equation to represent the information in the first sentence.
c) Write an equation to represent the information in the second sentence.
d) Use the method of substitution to find the number of hours worked by each person.
Please and thank you very much.
i tried so much but i didnt get it at all.:(
Click here to see answer by tvandenberg(45)

Question 181935: the length of one leg of a right triangle is 7 meters less than the length of the other leg. the length of the hypotenuse is 13 meters. find the lengths of the legs.
Click here to see answer by jim_thompson5910(28476)

Question 181966: Please help me solve this x^2-4x(-4)= 0
Click here to see answer by jim_thompson5910(28476)

Question 181715: The Method Substitution
6. Samantha works twice as many hours per week as Adriana. Together they work a total of 39 hour one week.
a) State how you will assign variables.
b) Write an equation to represent the information in the first sentence.
c) Write an equation to represent the information in the second sentence.
d) Use the method of substitution to find the number of hours worked by each person.
Pleasee can you do it now and my english is not very good. thanks
Click here to see answer by Mathtut(3670)

Question 182037: I am confused on exactly what is a quadratic function?
Click here to see answer by Alan3354(30959)

Question 182092: How do I come up with a real life application for a quadratic function
Click here to see answer by stanbon(57219)

Question 182182: Application
QUESTION: How should I set up this equation so that I can use the quadratic formula?
90. Foul ball. Suppose Charlie O’Brian of the Braves hits a
baseball straight upward at 150 ft/sec from a height of 5 ft.
a) Use the formula to determine how long it takes the ball
to return to the earth.
Attempt: x^2 + 150x - 5 = 0
Then use the formula
+ ________
x = -b - V b^2-4ac
_____________
2a

Click here to see answer by solver91311(16868)

Question 182203: The altitude in feet of a toy rocket t seconds after launch is given by the function S(t) = -16t^2 + 128t.
1. Find the maximum altitude reached by the rocket.
2. How long does it take for the rocket to reach this maximum altitude?
Click here to see answer by vleith(2825)

Question 182228: 8x^2 + 6x -2 =0

answer: x= -1 or 1/4
need a full breakdown of how my text book got tht answer
Click here to see answer by solver91311(16868)

Question 182268: Factor the expression Chapter 5 Algebra II
X4-50x2+625
Please help me with example to solve the above.
Thank You.. Aaron
Click here to see answer by rapaljer(4667)

Question 182282: How do I find a quadratic model for the set of values?
(-2,-8),(0,-2),(4,-62)
Thanks Aaron.
Click here to see answer by stanbon(57219)

Question 182368: Volume of a rectangular Chinese box: The volume of this box is 192 cu. units. Find its length and width.
Click here to see answer by Alan3354(30959)

Question 182343: Quadratic Function:
If a soldier in basic training fires a rocket propelled grenade straight up from ground level with an initial velocity of 256 ft/sec, then its height above the ground at time t seconds is given by function h(t) = -16t^2 + 256t.
1. What is the maximum height reached by the grenade?
2. How long does it take for the grenade to reach the ground?
Click here to see answer by tvandenberg(45)

Question 182367: A lot has the shape of a right triangle with one leg 2m longer than the other.
The hypotenuse is 2m less than twice the length of the shorter leg. Find the length of the shorter leg.
Click here to see answer by tvandenberg(45)

Question 182512: Simplify:
sqrt(147x^3 * y^6)

Click here to see answer by jim_thompson5910(28476)

Question 182508: Simplify by combining like terms:
3sqrt32 - 5sqrt2
Click here to see answer by eperette(173)

Question 182507: Simplify:
sqrt6(sqrt3 + sqrt10)
Click here to see answer by eperette(173)

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