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Question 149634: How do I find prime numbers?
Click here to see answer by Alan3354(6082)

Question 149581: Write a variable expression for "7 divided by the sum of x and 5"
Click here to see answer by ankor@dixie-net.com(6693)

Question 149595: A bag contains two white marbles and one yellow marble. The marbles are randomly selected one at a time. What are the odds of picking the yellow marble on the first selection?
Click here to see answer by Fombitz(2113)

Question 149589: Simplify the expression -42p divided by -1/7
Click here to see answer by Fombitz(2113)

Question 149637: how do you find prime factors
Click here to see answer by vleith(1977)

Question 149785: 60% of the area of Rectangle A is the same as 80% of the area of Rectangle B. Rectangle B is 25cm2 smaller than Rectangle A. Given that they both have a length of 25 cm, find the difference in their perimeter.
Rmks: Pls try not to use algebra.
Click here to see answer by kmcruz09(38)

Question 149779: Tammy wants to complete a jigsaw puzzle. On the first day, she manages to fit 20% of the puzzle. On the second day, she fits another 60 pieces of the puzzle. As a result, the ratio of the number of fitted pieces to the number of unfitted pieces becomes 2:5. How many pieces does the jigsaw puzzle consist?
Rmks: Pls try not to use algebra.
Click here to see answer by nerdybill(2446)

Question 149781: Shop X sells an antique watch for $2 400 which is 25% less than the price which shop Y sells it for. During a sale, both shops offer an equal percentage discount on the watch. Mr Lee buys the watch in Shop Y and pays $520 more than the discounted price in Shop X. What is the percentage discount?
Rmks: Pls try not to use algebra.
Click here to see answer by josmiceli(3009)

Question 149783: Mother gave Claire and Jane each a certain amount of money to spend. If Jane spent all her money and Claire spect 3 times as much, Claire would have $100 left. If Jane spent all her money and Claire spent 1/3 of what Jane spent, Claire would have $580 left. Find the total amount of money given to Claire and Jane.
Rmks: Pls try not to use algebra.
Click here to see answer by stanbon(26274)

Question 149604: The temperature was x degrees F. It rose to 8 degrees F. What was the original temperature? Write a linear model of the situation.
Click here to see answer by Alan3354(6082)

Question 150014This question is from textbook Intermediate Algebra
: division
x^3 - 1
----------
x+1This question is from textbook Intermediate Algebra

Click here to see answer by ankor@dixie-net.com(6693)

Question 150006This question is from textbook Intermediate Algebra
: add and simplify
1 + x-1
-----+ -------
x+2 + x-2
thank you This question is from textbook Intermediate Algebra

Click here to see answer by ankor@dixie-net.com(6693)

Question 150390: Solve each equation.
184=98+g
v-4+5+17=56
28=c-44
Click here to see answer by Alan3354(6082)

Question 150389: Round each number to the place value indicated.
582
tens
497,949
hundred thousands
6,097,597
ten thousands
155,680
hundred thousands
Click here to see answer by Edwin McCravy(2922)

Question 150387: Complete.
The average life expectancy of a male in Italy is 75.13 years. The average life expectancy of a female in Italy is 82.22 years. How much longer is the average life expectancy of a female living in Italy?
Click here to see answer by Ashleigh77(1)

Question 150384: Complete.
Seafloor rocks from a secret area above the Artic Circle were recently analyzed by Z-Globe. The company had a contract with Spacegov.biz tot est the rocks for nickel. Z-Globe found that six samples from the first location were composed of an average of 8.16% nickel. Ten samples from the second location yielded an average of 6.76% nickel. What was the overall average nickel content of the rock samples? Round your answer to the nearest hundredth. (Remember it is not the average of the two averages.)
Click here to see answer by ankor@dixie-net.com(6693)

Question 150388: The Washington Monument, built in memory of George Washington, is 169.29 meters hgh at its tip. On the day Jason and hs family visited the Monument, it cast a shadow 115.5 meters long. At the time, what was the distance from the tip of its shadow? Round your answer to the nearest meter.
Click here to see answer by stanbon(26274)

Question 150395: Solve each equation.
13=s over 2
13p=26
Click here to see answer by stanbon(26274)

Question 150385: Granire is an igneous rock with a coarse grain. In one sample analyzed for grain size, the average grain size was 0.938 mm. In another sample from a different location, the average grain size was found to be 1.2 mm. What is the difference between the two average grain sizes?
Click here to see answer by stanbon(26274)

Question 150383: Order the decimals from least to greatest.
5.26, 5.29, 5.58
1.40, 1.04, 1.05
6.8, 7.32, 7.3
8.56, 8.02, 8.32
Click here to see answer by stanbon(26274)

Question 150464: solve the rational inequality and graph the solution set on a real number line.
x+12
----- < 3
x-9
Click here to see answer by stanbon(26274)

Question 150496: You are planning a 400-mile car trip. A portion of the trip will be on interstate highways where you average 65 miles per hour. The remainder will be on secondary roads where you average 50 miles per hour. Let x represent the portion traveled on the interstate.
1. write an expression for the total time for the trip
2.write your anwser to exercise 28 as a single rational expression.
Click here to see answer by josmiceli(3009)

Question 150732This question is from textbook Algebra 1 AN Incremental Development

: Divide: (2x^3-19x^2+x-15) / (x+4)This question is from textbook Algebra 1 AN Incremental Development

Click here to see answer by Fombitz(2113)

Question 150734This question is from textbook Algebra 1 An incremenal Development

: Solve and graph on a number line: -3x-13>-4,D = {Integers}This question is from textbook Algebra 1 An incremenal Development

Click here to see answer by Fombitz(2113)

Question 150785: 3x/x-1 + 6x-9/x-1 -6 = 0

Click here to see answer by mangopeeler07(450)

Question 151084: Write the verbal phrase as an equation or an inequality.
Difference of x and thrity is equal to fifty
Sum of x and eleven is greater than or equal to forty
Product of three and x is less then fourteen
Quotient of x and 3.5 is equal to nine
Click here to see answer by checkley77(7052)

Question 151079: [88-(4 to the second power divided by 2)]-3]
1/2x28-4 to the second power

Click here to see answer by checkley77(7052)

Question 151078: Evaluate the numerical expression.
3.2(4.6-2 to the third power)-1
11[(25-8.7)-14]
Click here to see answer by Fombitz(2113)

Question 151275: The cost of 5 similar textbooks and 10 identical bookmarks is $63. 5 bookmarks cost as much as 2 textbooks. Find the cost of a textbook.
Click here to see answer by jojo14344(1483)

Question 151471: if you osve this,can you please break down the steps and explain what to do because i dont know what to do when you 3 equations like these:
A=11B
A+x=5(B+x)
A+x+5=3(B+x+5)
Click here to see answer by checkley77(7052)

Question 151560: hello may someone help me with this pronblem?
Solve the following system of equations using any method:
x - 2y = 5
3x - 5y = 8.

Click here to see answer by Earlsdon(4900)

Question 151614: 4.00 divided by 13
Click here to see answer by jim_thompson5910(13794)

Question 151697This question is from textbook Intermiediate Algebra
: rationalize the denoominator: Assume that all expressions under radicals represent positive numbers.
-√25/12This question is from textbook Intermiediate Algebra

Click here to see answer by Earlsdon(4900)

Question 151696This question is from textbook Intermediate Algebra
: Simplify by factoring: Assume that all expressions under radicals represent nonegative numbers.
√245k^7q^8
Text book Intermiediate Algerbra (Pearson) Math 012This question is from textbook Intermediate Algebra

Click here to see answer by Earlsdon(4900)

Question 151806This question is from textbook

: Simpify: 5√2(7√8 + 5√3)This question is from textbook

Click here to see answer by vleith(1977)

Question 151808This question is from textbook Algebra 1 AN Incremental Development

: Solve: (x - 2/5) + (x - 7/3) = -1This question is from textbook Algebra 1 AN Incremental Development

Click here to see answer by vleith(1977)

Question 151807This question is from textbook Algebra 1 an incremental development

: (x/x^2 - 16) ÷ (x^3/x^2 - 14x + 40)This question is from textbook Algebra 1 an incremental development

Click here to see answer by orca(409)

Question 151871: 15 movie theater average 600 customers per theater per day. If 6 of the theaters close down but the total theater attendance stays the the same, what is the average daily attendance per theater among the remaining theaters?
Click here to see answer by ankor@dixie-net.com(6693)

Question 152067This question is from textbook Algebra 1 An Incremental Development

: Complete: If (x, 12, 13) is a Pythagorean triple, then x = ________This question is from textbook Algebra 1 An Incremental Development

Click here to see answer by mangopeeler07(450)

Question 152065This question is from textbook Algebra 1 An Incremental Development

: Factor: 6x^2 + x - 2This question is from textbook Algebra 1 An Incremental Development

Click here to see answer by nabla(412)

Question 152091This question is from textbook Algebra 1 An Incremental Development

: Solve and graph: 2 - |x| ≥ -2, D = {Integers}This question is from textbook Algebra 1 An Incremental Development

Click here to see answer by Nate(3495)

Question 152066This question is from textbook Algebra 1 An Incremental Development

: Factor by grouping: 6wy - 2xy + 9bw - 3bxThis question is from textbook Algebra 1 An Incremental Development

Click here to see answer by nerdybill(2446)

Question 152127This question is from textbook elementary and intermediate algebra
: solve for 'a'
3a=c-a(b+d)
answer is a=c/3+b+d
with a negative 'a', how do you get to the single 'a' on the right?
This question is from textbook elementary and intermediate algebra

Click here to see answer by vleith(1977)

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