algerba

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1. algerba

Coco has a jar containing pennies and nickles. There is \$9.20 worth of coins in the jar. If she could switch the number of pennies with the number of nickles, there would be \$26.80 worth of coins in the jar. How many pennies and nickles are in the jar?

asked by mariah on December 1, 2016
2. algerba

What is the value of the discriminant, b2 − 4ac, for the quadratic equation 0 = −2x2 − 3x + 8, and what does it mean about the number of real solutions the equation has? What are the solutions to the quadratic equation 4(x + 2)2 = 36 Mischa wrote the

asked by chelsie on May 25, 2016
3. Algerba

Which solution set best fit the solutions of -1.5^2+4x+2.2=0 2.2 and 3.1 or this one... no real solution -0.5 and 2.2 -0.5 and 3.1

asked by Jass on February 18, 2017
4. algerba

which is the simplest form of the radical expression sqrt (10)+6sqrt(10)+-3sqrt(10)

asked by ana on July 12, 2010
5. Algerba

If the sides of a square are increased by 3m, the area becomes 64m2. Find the length of a side of the original square. A 4 m by 6 m rug covers half of the floor area of a room and leaves a uniform strip of bare floor around the edges. What are the

asked by Heather M on May 28, 2008
6. Algerba

Find slope and y-intercept of following equation y=-3 x -2 knowing the slope of intercept 5 formula is y=mx+b slope is m or -3 y=-3 or m (0) -2 m=slope 5 5 y-intercept = let x=o solve for y y=0-2 y=-2 You can tell by inspecting the equation in the y = mx +

asked by Trusthim2 on February 28, 2007
7. algerba

simplify: 5 / sqrt (7) - sqrt(2) a) sqrt (7) - sqrt (2) b) sqrt(7) + sqrt (2) c) 5 sqrt((7) + sqrt (2))/ 9 d) 1

asked by ant on June 24, 2010
8. algerba

A guy rope is attached to the top of a tent pole. The guy rope is pegged into the ground 7 feet from the tent. If the guy rope is 11 feet long, how long is the tent pole? Round to one decimal place as needed.

asked by steve on April 18, 2018
9. algerba

simplify the expression -10xy - 15y / 5y -10xy -3y^2 is my answer rigth or wrong

asked by ana on July 12, 2010
10. Algerba

Pick a country of your choice that is experiencing population growth. find the most recent population count of the country you have chosen and the population growth rate of that country. Use that growth rate to approximate the population in the year 2008.

asked by Vision/Help on October 27, 2007
11. algerba

A person wins 500 points in a game. What is the corresponding number?

asked by tom on November 21, 2010
12. algerba

A triangle has base 11 feet (ft) & an altitude of 8 ft. Find its area.

asked by Crystal on October 13, 2008
13. Algerba

Solve for x. Round answers to the thousandths place. 3^x=17 5.667 2.579

asked by Jass on March 28, 2017
14. algerba

Train A & B are traveling in the same direction on parelle tracks.Train A is traveling at 60mph, and train is traveling at 80mph.Train A passes a station at 10:25 A.M.If train B passes the some station at 10:37 A.M., what tine will train B catch-up with

asked by Jone on July 5, 2010
15. Algerba

would you expect a positive, a negative, or no association between the number of hours of daylight during a day and the number of hours of darkeness?

asked by Jordan on September 17, 2007
16. Algerba

A newspaper carrier has %5.75 in change. He has ten more quarters than dimes but two times as many nickles as quarters. how many coins of each type does he have?

asked by Tammy on February 14, 2015
17. algerba

Quantity name Water adds Final acidity of water Unit Gallons Percent expressed as a decimal Expression g (0.052*310)/(310+g) Question 1 59.4 (I need this answer) Question 2 (I need this answer) 0.041 I need help

asked by beckylynn on May 18, 2014
18. algerba

rewrite division as mulitplication -37-(78)

asked by elaine on March 24, 2011
19. Algerba

4x + 10 = 22

asked by Anonymous on May 13, 2010
20. algerba

3/4 + 7/10 + 4/15 = 3/11+ 9/11 +1/11 =

asked by lisa on October 8, 2008
21. algerba

does anyone have a clue how to do this. I am so lost. If you can please explan why you do what you do when working this out so maybe i can better understand this. thanks a bunch. Prove (algebraically, not numerically) that the product of the solutions of

asked by jean on July 2, 2008
22. Algerba

Evaluate the expression by substituting the givin values for each variable b - for A = -2 and b = 8 a So is it like this b - = -2 divided by -8 a

asked by Jordan on September 17, 2007
23. ALGERBA

x-5 x-1 ----- = ----- -2 -3 Solve for x. I understand there is cross-multiplying involved.

asked by Drizzelia on October 20, 2016
24. Algerba

Simply these expressions: 8n^2 - 6n + 7n^2 - 4n +5 and 6x^2y + 5y - x^2 + 3y - 6y

asked by Ally on April 14, 2016
25. Algerba

Solve: 2(4-4)+3r-4/2+4r-12+13s+5r+5(9-r)-6r+2(-4)-5(2s)+2(9+3r+2-3s = 57

asked by Ally on April 8, 2016
26. algerba

3m + 2 = 8

asked by Anonymous on April 2, 2016
27. algerba

How to figure out the temperature of a lake using x for the feet or the Depth and for the degrees Celsius, use (3900x+1000) /(3x^2+100) with the answer of the degrees Celsius being 6.74 looking like 6.74=(3900x+1000)/(3x^2+100) i need the depth i have

asked by beckylynn on May 18, 2014
28. algerba

How to figure out the temperature of a lake using x for the feet or the Depth and for the degrees Celsius use (3900x+1000)/(3x^2+100) with the answer of the degrees celsius being 8.44 looking like 8.44=(3900x+1000)/(3x^2+100) i need the depth

asked by beckylynn on May 18, 2014
29. algerba

2k squared + 4k= 10 How would I solve

asked by suzy on March 26, 2013
30. algerba

x+(5+y)=(x+5)+y what property is illustrated by the equation?

asked by mischelle on May 1, 2012
31. Algerba

Write the equation of (-6, -4), (0. -4) and (6, -4)

asked by Nideshia on August 14, 2011
32. algerba

simplify: sqrt (6/11) a) sqrt (66/11) b) 6 sqrt (11/11) c) 6 d) 6 sqrt (11)

asked by anthony on June 24, 2010
33. Algerba

THe senior class is raising money by selling popcorn amd soft drinks. They make \$.25 profit on each soft drink and %.50 on each bag of popcorn. Their goal is to make at least \$500. What is a ineqaulity showing the relashionship beetween bags of popcorn and

asked by Nicole on May 18, 2010
34. algerba

what is the answer to 5(w-2)=15

asked by maria on January 11, 2009
35. ALGERBA

Can someone help me solve this please? [SQRT(2x2 + 6x + 4)] = x + 1

asked by Lucas on January 7, 2009
36. algerba

A triangle has base 14 feet (ft) & an altitude of 6 ft. Find its area

asked by Stephaine on October 25, 2008
37. Algerba

algebra is so confusing 1/8 (b - a) for a = 2 and b = 10 So is it 1/8 (b - a) = 1/8 (2 - 10)= 1/8 (-8) = -100?

asked by Jordan on September 17, 2007