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Question 467054: 2(x-3) 2x-6 are these expressions equal
Click here to see answer by algebrahouse.com(1079)

Question 467107: 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 Big Poop(157)

Question 467115: 6. What is the radius of the circle whose equation is x2 + y2 = 52? Round your answer to the nearest hundredth
Click here to see answer by Alan3354(30993)

Question 466043: A 12-foot tree casts a 16-foot shadow. How many feet tall is a nearby tree that casts a 20-foot shadow at the same time?
Click here to see answer by gwendolyn(128)

Question 467187: Pxpxp2
Click here to see answer by Big Poop(157)

Question 467085: simplify
9m+3n/3m+n=
Click here to see answer by poliphob3.14(115)

Question 467382: A tire for a compact car measures 25 inches in diameter. The car is traveling at a speed of 55 mph. Find the nearest integer, the number of revolutions per minute, RPM, the tire makes.
Click here to see answer by jorel1380(2518)

Question 467423: Simplify:
3 square root 16
is it 7
12
48
24
Click here to see answer by jim_thompson5910(28593)

Question 467443: Find 3rd,4th,5th terms of (a+b)^9

Click here to see answer by robertb(4012)

Question 467461: Seth bought a used car that had been driven 20,000 miles. After he owned the car for 2 years, the total mileage of the car was 49,400. Find the average number of miles he drove each month during those 2 years.
Click here to see answer by jorel1380(2518)

Question 467472: There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class? (A). 117. (B). 147. (C). 107. (D). 210
Click here to see answer by algebrahouse.com(1079)

Question 467636: Hi i need help with ny practice test that my teacher gave me and is big package and im doing " Percent Word Problems"
1.what percent of 126 is 22 ?
2. what percent of 137.4 is 96?
3.79.9 is 90% of what ?
4.73% of what is 156.4 ?
Click here to see answer by rfer(12657)

Question 467667: 2x-14 is what an equation or inequality ?
Click here to see answer by Alan3354(30993)

Question 467525: How can I find the square root of 181 by factoring? Thank you.
Click here to see answer by ankor@dixie-net.com(15649)

Question 467832: Can u help with math
Click here to see answer by robertb(4012)

Question 467710: 2+2
Click here to see answer by gwendolyn(128)

Question 467710: 2+2
Click here to see answer by robertb(4012)

Question 467845: A cable 20 feet long connects the top of a flagpole to a point on the ground that is 16 feet from the base of the pole. How tall is the flagpole? (A). 8ft. (B). 10ft. (C). 12ft. (C). 26ft
Click here to see answer by mananth(12270)

Question 467863: question:
ln(x+9)-ln(x+5)=ln(x+7)-ln(x-4)
I come up with x=1/3, but my answer key says "no solution". How come?
Thanks,
Jessica
Click here to see answer by robertb(4012)

Question 467889: I need to write a fraction in simplest form this is it: 34/51
Click here to see answer by josmiceli(9671)

Question 468053: Complete the square. (do not solve for x.)
X^2+10x+_____?
Click here to see answer by Alan3354(30993)

Question 468051: Complete the square. (do not solve for x.)
X^2-3x+____?
Click here to see answer by Alan3354(30993)

Question 468056: Solve the quadratic equation for the values of x.
X^2+x-6=0
Click here to see answer by jorel1380(2518)

Question 468055: solve the quadratic equations for the value of x.
X^2+x=12
Click here to see answer by ewatrrr(10682)

Question 468101: Multiply:
X^2-1 over 6 times 2 over x-1
Click here to see answer by ewatrrr(10682)

Question 468118: Short Answer: Convert this number to scientific notation:
960,000

Click here to see answer by ewatrrr(10682)

Question 468119: Use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three decimal places.
(6.2 • 107) / (4.15 • 103)

Click here to see answer by Alan3354(30993)

Question 468112: Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression.
(-5x3y)2

-25x6y2
25x6y2
5x6y2
25x5y3

Click here to see answer by stanbon(57308)

Question 468125: Simplify the following expression.
√-45 √-70

Click here to see answer by stanbon(57308)

Question 468124: Short Answer: Simplify the following expression; express in terms of i.
√-36

Click here to see answer by Gogonati(809)

Question 468137: A carnival usually sells three thousand 60¢ ride tickets on a Saturday. For each 20¢ increase in price, management estimates that 70 fewer tickets will be sold. What is the smallest increase in ticket price that will produce $2,344.00 of revenue on Saturday

Click here to see answer by Theo(3458)

Question 468208: I need a little help here:
ln(x+9)-ln(x-5)=ln(x+7)-ln(x-4).
Apparently there is no solution? Why not x=1/3?!
Click here to see answer by Alan3354(30993)

Question 468208: I need a little help here:
ln(x+9)-ln(x-5)=ln(x+7)-ln(x-4).
Apparently there is no solution? Why not x=1/3?!
Click here to see answer by stanbon(57308)

Question 468207: Help please!
The following problem has two solutions:
7^(x^2)=(7^5x)/(49^3)
FYI,I know that the sum of the two solutions is 5.
I just need a brush-up on some exponential and logarithmic properties so I can know how to do this stuff, thanks!
J
Click here to see answer by stanbon(57308)

Question 468230: I do not understand any type of algebra
Click here to see answer by mananth(12270)

Question 468228: The grounskeeper is replacing the turf on a football field. His measurements of the field are 130 yards by 60 yards. The actual measurements are 120 yards by 54 yards. Which expression represents the relative error in the measurement? (A). (120)(54)/(130)(60)-(120)(54). (B). (130)(60)-(120)(54)/(120)(54). (C). (130)(60)/(130)(60)-(120)(54). (D). (130)(60)-(120)(54)/(130)(60)
Click here to see answer by edjones(7569)

Question 468194: I am struggling with the following problem:
2e^2x+5e^x-12=0
I know that we replace e^ with u, then use quadratic formula to solve. We get u=6 or u=-16.
Then, I guess we scratch the -16 because it's negative. From there I'm not sure how we are supposed to solve for x. I know that the answer is ln (3/2), but I'm not sure of the steps that go into solving for that and why the answer isn't ln3/2 or ln3/ln2, etc. Obviously you get here by setting 6=2e^2x, but I'm not sure why. Just need a brush-up on some rules here.
Thanks,
J
Click here to see answer by mananth(12270)

Question 468231: A builder is building a rectangular deck with dimensions of 16 feet by 30 feet. To ensure that the sides form 90 degree angles, what should each diagonal measure? (A). 30ft. (B). 34ft. (C). 46ft. (D). 16ft
Click here to see answer by nerdybill(6958)

Question 468347: w•w•w•w=
Click here to see answer by ccs2011(207)

Question 468342: In science class, you measure a sample of minerals that weigh 1.05 grams. If you ass 0.2 grams to the sample, what would it now weigh?
Click here to see answer by Alan3354(30993)

Question 468225: What is the identity element
Click here to see answer by moshiz08(60)

Question 468387: Please help me find the domain of this function
Click here to see answer by nerdybill(6958)

Question 468412: If 3a + 4b=b which of the following must equal 6a + 6b?
(a). 0
(b). 12
(c) 12b
Click here to see answer by nerdybill(6958)

Question 468414: How do I solve a problem like this:
find vertex of parabola
y=3x^2+6x-12
Thanks,
J
Click here to see answer by MathLover1(6627)

Question 468414: How do I solve a problem like this:
find vertex of parabola
y=3x^2+6x-12
Thanks,
J
Click here to see answer by josmiceli(9671)

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