Tutors Answer Your Questions about test (FREE)
Question 262768: Solve: The Palmyra Triangle has a perimeter of 4400 miles. The side of the middle length is 2 times as long as the shortest side. The longest side is 4 times as long as the middle side. How long is each of the three sides?
Click here to see answer by drk(1908)  |
Question 262946: The correspondence between women's shoe size in the United States and women's shoe size in Italy is determined by the formula: S= 2(x + 12)
where S is the shoe size in Italy and x is the shoe size in the United states. What would be the US shoe size for an Italian size 41?
Click here to see answer by rfer(16322) |
Question 263130: If the radius of a sphere is increasing at the rate of 2 inches per second, how fast, in cubic inches per second, is the volume increasing when the radius is 10 inches?
(A) 40π
(B) 80π
(C) 800
(D) 800π
(E) 3200π
Click here to see answer by drk(1908) |
Question 263156: I have another test coming up and i know this is going to be on the test so i was trying to figure out how to do it but for the life of me i cant. so I was wondering if someone could explain to me specifically how to find how many 1/8 are in 3 and 1/2?
Click here to see answer by Alan3354(69443)  |
Question 263156: I have another test coming up and i know this is going to be on the test so i was trying to figure out how to do it but for the life of me i cant. so I was wondering if someone could explain to me specifically how to find how many 1/8 are in 3 and 1/2?
Click here to see answer by stanbon(75887) |
Question 263155: A parabola with equation y=x^2+bx+c passes through the points (2,3) and (4,3). What is c?
(A)2 (B)5 (C)7 (D)10 (E)11
(from AMC 10 2006 A). I'm in 7th grade and i need to study for the upcoming AMC 10 2010
Click here to see answer by drk(1908) |
Question 263201: Assume that a procedure yields a binomial distribution with a trial repeated n times .use the binomial probability to find the probability of x successes given the probability p of success on a single trial.
n=6,x=3,p=1/6
Click here to see answer by stanbon(75887) |
Question 263226: the body mass index, i , can be used to determine an individual's risk for heart disease an index less than 25 indicates a low risk the body mass index is given by the formula or model I= 700w .jernme is 77 inches tall. what wieghts will keep his body mass index between 22 and 33
Click here to see answer by stanbon(75887) |
Question 263229: Focus groups of 14 people are randomly selected to discuss products of the Yummy Company. It is determined that the mean number (per group) who recognize the Yummy brand name is 8.9, and the standard deviation is 0.69. Would it be unusual to randomly select 14 people and find that greater than 12 recognize the Yummy brand name?
Click here to see answer by stanbon(75887) |
Question 263931: Please help. I am so lost I have to pass this final. I have a few questions.
1. Graph on a number line where x is a real number. -5
I think the graph should look like, a hollow circle on -5 with a solid line going to 5 and the circle on 5 is filled in, is this correct?
2. Solve by elimination method.
4x + 5y= 5
8x + 10y= 10
a. The solution is _____
b. There are infinitely many solutions.
c. There is no solution.
3. Solve Using the multiplication principle.
-6x > 1/3
The solution set is {x|x_____ ______}
4. The equation y= -1777x + 27,153 can be used to predict the number y of gun deaths in the United Steates x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, x=6 corresponds to 2006, and so on. Predict the number of gun deaths in 2006 and 2008. In what year will the number of gun deaths be 9383?
The predicted gun deaths in 2006 will be ________?
The predicted gun deaths in 2008 will be ________?
The predicted number of gun deaths will be 9383 in the year _____?
7. Solve using the multiplication principle. Don't forget to perform a checkl
-1/6x = -9/10
This is all for now I thank you all in advance.
Deborah
Click here to see answer by stanbon(75887) |
Question 264176: use the discrimint to determine whether the following equation have solutions
v^2-6v-2=9
the answers to chose from are:
1.two different irrational solutions
2.exactly one rational solution
3.two different rational solutions
4.two different imaginary solutions
Click here to see answer by Alan3354(69443) |
Question 264179: the cudly college football team scored 80 times last season,some seven point touchdowns and three point field goals.altogether the 80 scores accounted for 508.how many touchdowns and field goals did they score?let x represent the number of touchdowns and y represent the number of field goals.
the answers to chose from are:
1.x+3y=80,7x+y=508
2.x-y=80,7x-3y=508
3.x+y=80,7x+3y=508
4.x+y=508,7x+3y=80
Click here to see answer by dabanfield(803) |
Question 264355: Please can anyone help me I am lost.
17. On three consecutive passes, a football team gains 9 yards, loses 16 yards, and gains 42 yards. What number represents the total net yardage?
The total net yardage is _______yds.
18. Use the distributive property to help you solve the equation.
3(w-3)=-9
w=______
19. Find the domain of the function.
g(x)= 6/8-9x
a. {x|x is a real number and x >= 8/9} that is greater than or equal too
b. {x|x is a real number and x =/ 0} the = should have the / thru it.
c. {x|x is a real number and x=/ 8/9}
d. {x|x is a real number and x =/ 6}
21. Evaluate
r+s/ 8 for r= 40 and s=16
r+s/8= _______
22. Find the domain of the function.
p(x)= x to the 2 power - 2x +7
A. {x|x is a real number and x =/0}
b. {x|x is a real number and x =/7}
c. {x|x is a real number}
d. {x|x is a real number and x>0}
24. Solve using the multiplication principle. Dont forget to perform a check.
12x= -84
The solution is x= _______?
I thank you in advance for you knowledge and generousity in helping people like me who are mathmatically challenged.
Deborah
Click here to see answer by JBarnum(2146)  |
Question 264359: Please help me if you can.
25. solve then graph.
y-1> -12
a. [------------------>
-11 -9
b. <---------------)
-13 -11
c. (--------------------->
-11 -9
d. <-------------------]
-13 -11
26. Slove then graph
9x>= 63
a.{x|x >= 7}
b.{x|x <7}
c.{x|x <=7}
d.{x|x >7}
graphs
a. <----------------------------o shaded in
5 7
b. o--------------------------------->
7 not shaded in 9
c. <------------------------------------o not shaded in
5 7
d. o------------------------------------->
7 shaded in 9
thank you
Click here to see answer by JBarnum(2146) |
Question 264354: Please, any help will be appreciated.
10. Soybean meal is 20% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240lb mixture that is 7% protein?
How many pounds of the soybean meal should be in the mixture? _____lbs.
How many pounds of the cornmeal should be in the mixture? _______lbs.
11. Solve the compound inequality.
7> -5x + 6 or 6 <= -3x + 2
a. (-00,00)
b. (-1/5, 00)
c. (-00,-4/3)
d. (-00, -4/3) u (-5,00) Those 00 are those little ones.
12. 80% of what number is 20?
15. Translate to an algebraic expression.
The product of 32% and some number.
The translation is ______?
(type the percentage as a decimal. Use b to represent some number)
16. collect like terms
15x + 3y -7x -9y
15x + 3y - 7x - 9y =________
Please Please help, I thank you in advance this is a matter of life and death!!!
Deborah
Click here to see answer by JBarnum(2146) |
Question 264358: PLEASE HELP!!
21. Evaluate
r+s/ 8 for r= 40 and s=16
r+s/8= _______
22. Find the domain of the function.
p(x)= x to the 2 power - 2x +7
A. {x|x is a real number and x =/0}
b. {x|x is a real number and x =/7}
c. {x|x is a real number}
d. {x|x is a real number and x>0}
24. Solve using the multiplication principle. Dont forget to perform a check.
12x= -84
The solution is x= _______?
Thank you
Deborah
Click here to see answer by JBarnum(2146) |
Question 264357: someone help me.
17. On three consecutive passes, a football team gains 9 yards, loses 16 yards, and gains 42 yards. What number represents the total net yardage?
The total net yardage is _______yds.
18. Use the distributive property to help you solve the equation.
3(w-3)=-9
w=______
19. Find the domain of the function.
g(x)= 6/8-9x
Thank you
Deborah
Click here to see answer by JBarnum(2146) |
Question 264356: Please someone help me I am so lost.
17. On three consecutive passes, a football team gains 9 yards, loses 16 yards, and gains 42 yards. What number represents the total net yardage?
The total net yardage is _______yds.
18. Use the distributive property to help you solve the equation.
3(w-3)=-9
w=______
19. Find the domain of the function.
g(x)= 6/8-9x
a. {x|x is a real number and x >= 8/9} that is greater than or equal too
b. {x|x is a real number and x =/ 0} the = should have the / thru it.
c. {x|x is a real number and x=/ 8/9}
d. {x|x is a real number and x =/ 6}
21. Evaluate
r+s/ 8 for r= 40 and s=16
r+s/8= _______
22. Find the domain of the function.
p(x)= x to the 2 power - 2x +7
A. {x|x is a real number and x =/0}
b. {x|x is a real number and x =/7}
c. {x|x is a real number}
d. {x|x is a real number and x>0}
I thank you in advance for you help.
Deborah
Click here to see answer by JBarnum(2146) |
Question 264360: please help me
27. Solve
-15<=3x-4<= -3
The solution is {x|____<=x<=__________
(type and integar or a fraction)
28. Find the slope and the y-intercept.
f(x)= -4x-5
The slope is __________
The y-intercept is (0,___)
29. Solve for the indicated letter
a=7b,for b
The solution is b= ______
31. Use < or > to make the statement true.
-12 ___15
Thank you bunches in advance. You are saving my life.
Click here to see answer by JBarnum(2146) |
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