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Question 322851: Hello, My name is Alyssa. I'm starting my Freshman year in high school in two months. I'm trying to find a website that can walk me through almost all I need to know about algebra 1. A friend of mine uses this website for help in her math problems so I was hoping if there was anyway I could get helped in my area of need. I want to be more then ready for math in high school and hope you can help. Thanks!
Click here to see answer by jim_thompson5910(28536)

Question 322993: Find the -intercept of the line whose equation is:
y=12/5x-13/6
Click here to see answer by solver91311(16872)

Question 323054: How can we write the radical sign?
Click here to see answer by rapaljer(4667)

Question 323141: Equation of the parabola whose vertex is(-2,0) and directrix x=1 is
options
a)y²=-2(x+2)
b)y²=-4(x+3)
c)y²=-6(x-5)
d)y²=-12(x+2)
Click here to see answer by galactus(183)

Question 323201: The product of 7 and a number is 12 greater than 5 times the number. What is the number ?
Click here to see answer by checkley77(12569)

Question 323279: I need help with algebra 2
Click here to see answer by jim_thompson5910(28536)

Question 323582: (1/4)^3+(17/32)-(1/2)*(1/8)^2
these are fractions and exponents
Click here to see answer by mananth(12270)

Question 323572: Devien gwapo?
Click here to see answer by JBarnum(2044)

Question 323526: The volume of a fish tank with a square base and height y is y^3-6y^2+9y cubic inches. Find the length of a side of the square base.
Click here to see answer by nerdybill(6951)

Question 323744: Atoms consist of protons and electrons and neutrons .a group of x protons has a charge of x. A group of x electrons has a charge of -x. Neutrons have a charge 0.calculate the total charge of an atom is the sum of the charges of its protons and electrons. Find total charge os an atom that has 13 protons, 10 electeons and 14 neutrons
Click here to see answer by Fombitz(13828)

Question 323776: 15/32 = X/X+2
Click here to see answer by checkley77(12569)

Question 323794: The difference of two positive numbers is 7 and their product is 228. Find the two numbers.
Click here to see answer by Alan3354(30993)

Question 323742: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by rapaljer(4667)

Question 323805: 3X/4 = 12-x/6
Click here to see answer by msgmhenderson(11)

Question 323938:
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
Click here to see answer by mananth(12270)

Question 323986: The shortest leg of a right triangle is 2 less than the hypotenuse and the hypotenuse is one longer than the longest leg right in quadratic equation form

Click here to see answer by mananth(12270)

Question 324039: finding the slope of a line
(x,x+2) and (x+2,x+4)

Click here to see answer by stanbon(57282)

Question 324145: What is the standard form of an equation of the line that passes through the points (-1, 4) and (-7, -5)?
Click here to see answer by Alan3354(30993)

Question 324186: What is an equation of the line that is parallel to y=1/2x-3 and has an x-intercept of -4?
Click here to see answer by solver91311(16872)

Question 324241: T
Click here to see answer by stanbon(57282)

Question 324240: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by stanbon(57282)

Question 324524: If your best friend from high school lives 225 km away, measured by your odometer. How long will it take to drive to his house if you average 95 km/h? Round your answer to the nearest tenth of an hour.
Can you please help me? Thank you!
Click here to see answer by Alan3354(30993)

Question 324529: You drop a penny from a 70-foot high bridge. What is the velocity of the penny when it hits the water below? Neglect the effect of air resistance and round your answer to the nearest unit.
Click here to see answer by Alan3354(30993)

Question 324532: Returning to the sports car that accelerates from a standing start to 65 mi/h in 4.61 s, how far does it travel during that run? Express your answer to the nearest ft.
Click here to see answer by scott8148(6628)

Question 324526: You drop a penny from a 70-foot high bridge. How long does it take for the penny to hit the water below? Neglect the effect of air resistance, round to the nearest 1/10 second and express your answer like: 7.5 s.

Can you please help me? Thank you!
Click here to see answer by scott8148(6628)

Question 324551: Add.
2x^2+3x+5/x^2+7x + 23+x-2x^2/x^2+7x
Click here to see answer by mananth(12270)

Question 323798: The area of a triangle is 51 square feet. The base is 1 foot less than 3 times the height. Find the base and height of the triangle.
Click here to see answer by Fombitz(13828)

Question 324600: hi i would like your help to help me with this question. Thanks
quesion: 1/r=1/r1 + 1/r2
Express r1 in terms of r and r2
Click here to see answer by mananth(12270)

Question 324656: You drop a penny from a 70-foot high bridge. How long does it take for the penny to hit the water below? Neglect the effect of air resistance, round to the nearest 1/10 second and express your answer like: 7.5 s.

Click here to see answer by Fombitz(13828)

Question 324655: If your best friend from high school lives 225 km away, measured by your odometer. How long will it take to drive to his house if you average 95 km/h? Round your answer to the nearest tenth of an hour.

Click here to see answer by JBarnum(2044)

Question 324549: Find the LCD of the given rational expression.
x+2/x^2-14x-32, 5/x^2-16x
Click here to see answer by Fombitz(13828)

Question 324530: A sports car accelerates from a standing start to 65 mi/h in 4.61 s. Find the car's average acceleration in ft/s2 during the run. Round your answer to the nearest ft/s.

Click here to see answer by Fombitz(13828)

Question 324717: If for all x and y, 2x-b-y=0, then b=?
Click here to see answer by solver91311(16872)

Question 324659: A sports car accelerates from a standing start to 65 mi/h in 4.61 s. Find the car's average acceleration in ft/s2 during the run. Round your answer to the nearest ft/s.
Click here to see answer by Fombitz(13828)

Question 324792: simplify (4x + 3y) - (2x -5y)
Click here to see answer by rfer(12654)

Question 324794: simplify 2a + 3b - a
Click here to see answer by rfer(12654)

Question 324847: What is the mean for the following scores on a 10-point quiz:
10 10 9 9 8 8 7 7 7 6 6

Click here to see answer by jim_thompson5910(28536)

Question 324797: Solve for x. |2x + 2| = 14
Click here to see answer by Fombitz(13828)

Question 324798: Solve for x. |x| = 6
Click here to see answer by Fombitz(13828)

Question 324800: Solve for x. |x – 2| + 10 = 12
Click here to see answer by Fombitz(13828)

Question 324979: Amy paid $74.62 for a pair of running shoes during a 20% off sale. What was the regular price?
Click here to see answer by jessica43(140)

Question 325015: Use the following to answer questions 14-17:
A study by a bank compared the average savings of customers who were depositors for three years or less, with those who had been depositors for more than three years. The results of a sample are:

14. Assuming that the financial officer wants to show that there is a difference in the average savings balance between the two classes of depositors, what is the null hypothesis? _____________________

15. For  = 0.05, what is the critical value of t? ___________

16. What is the computed test statistic? ______________

17. What is the p-value if = .05 and the test statistic is 2.807? _____
Click here to see answer by stanbon(57282)

Question 325017: Use the following to answer questions 14-17:
A study by a bank compared the average savings of customers who were depositors for three years or less, with those who had been depositors for more than three years. The results of a sample are:
<
- 3 years > 3 years
Mean savings balance $1200 $1250
Standard deviation $100 $150
Sample size 10 15

14. Assuming that the financial officer wants to show that there is a difference in the average savings balance between the two classes of depositors, what is the null hypothesis? _____________________

15. For  = 0.05, what is the critical value of t? ___________

16. What is the computed test statistic? ______________

17. What is the p-value if = .05 and the test statistic is 2.807? _____
Click here to see answer by stanbon(57282)

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