# Algebra, help + check please

106,764 results, page 95

Rank the following sentences from most formal to least formal by writing the appropriate number in the blank beside each sentence: 1 = most formal; 3 = least formal. /3 ___2__I was pumped. I mean, we had scored the best seats for the show. Awesome ___1__In conclusion, I ask ...
2. ### Math

CAN SOMEONE CHECK MY ANSWERS PLEASE? What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete the following ...
3. ### science

Could you please check my answers? Question one: When evolution was first proposed, which of the following was used as evidence as support? A. Observations of nature. B. lab experiments. C. extensive fossil collections, D. genetic sequences. I chose answer C. Second Question: ...
4. ### Math

The air pressure in a tire is 150.000 kPa. The internal surface area of the tire is 1150.000 cm^2. Determine the total force applied by the air to the tire. (Round to 3 decimal places) Answer = kN 150.000 kPa x 1000 = 150000 Nm 1150.000 cm / 100 cm = 11.5 m Force = Pressure x ...
5. ### simple math check

(1/2)(3x^2+5x+3)^(-1/2)(6x+5) when you plug in 5 for x.. do you get 1.72 because that what i get and then it says im wrong.
6. ### Math (Check problem

Subtract and Simpfly 2) 2/3 - 1/2 my answear: 1/6
7. ### Check Work (Math)

1) Find the difference 3-(4-7) my answear 6
8. ### Math check

(3+sqrt x)(4- 3sqrt x) is the answer 12- 5sqrtx-3x?
9. ### Math check

Divide and simplify to the form a+bi. (-8+i)/(2-3i) Is the answer (23/13)+(43/13)i
10. ### economics

How does the goverment know how much to with hold from your employment check?

12. ### To: SraJMcGin

I posted an assignment for you to check at 4:51 today just to let you know.
13. ### Axia Collage

Grammar Exercise 2 check my anwers

how to check specific heat of a substance?
15. ### alg

solve and check solution 12x=11x-5
16. ### Triginometry

Solve the following equations algebraically and check. y=2x^2+2x+3 y=x+3
17. ### comm/155

Hi could you check my sentences to see if their right?
18. ### Math

Explain how you could estimate 22% of 78 to check if your answer is reasonable.
19. ### Com

Does anyone on here use Writepoint to check your work??
20. ### math

solve the equation. check the solution 5 x g -5 = 100
21. ### Math(factoring) plz check

bx - by ANSWER: FACTOR b(x+y)
22. ### math rational comparing #'s

can you check: < > = -2/9 > -4/9 -1/6 > -2/3 -5/12 > - 3/4 -1 < - 1/3 -5/6 = -10/12 -1/8 > - 1/2 -1.2 > -2.1 -0.6 < -0.52 -1.23 < -1.25 -0.53 < -5.333 -3 1/4 = -3.25 -4 2/5 < -4.12 are these right?
23. ### Alg 2

Solve the equation. Check for extraneous solutions. ln x + ln(x-2) = 1
24. ### Trig.

Solve. Check for extraneous solution. 6x= √20+6x
25. ### PSY

Describing CPT Catergories Check Point
26. ### math

How can you use multiplication to check if a quotient is correct?
27. ### Science/Check

Testable statement or prediction..... Is That Hypothesis?

29. ### english

ms sue can u plzzz check my 1nd answer
30. ### Math check

If the radius of a circle is 5 cm what is the area? Formula A=pi r^2 A=3.14×5×5 A=78.50
31. ### math

3L=7 what would L be? i was multipling - 7*5= 35 then divide by 3..but that 5 does not check right
32. ### science

Can someone help me with mechanics. I need to check my answers

stem-and-leaf plot 3| 7 8 9 4| 1 3 7 5| 2 4 37, 38, 39, 41, 43, 47, 52, 54 *** 73, 83, 93, 14, 34, 74, 25, 45 7, 8, 9, 1, 3, 7, 2, 4 37, 38, 39, 14, 34, 74, 25, 45 =
34. ### phi 208

To check my reading week 4 quiz
35. ### Math

How can you check the answer to a decimal multiplication problem?
36. ### Math

0.8(4+-a)=5.6a how to check this so the answers both equal out?

Can you check these problems? 1. 4x^2 + 3x - 4x +5 = 4x^2 - x + 5 2. m - n + m - n - n = 2m - 3n 3. (7x + 5 - 3y) - (-3x - 5 +4y) = 7x + 3x -3y + 4y + 0 = 10x - y = 0 4. m/8 - 9 = 5 m/8 = 5 + 9 m = 14/8 m = 7/4 = 1 3/4
38. ### Math

Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0
39. ### Math

Can someone check my answer down below?
40. ### Calculus check

The integral of (x^2-4secxtanx) dx= I got x^3/3-4secx+c
41. ### Suhaib

Solve x^n by abinitio method check ur ability nw?
42. ### Circles Geometry

Can someone check if my answers are correct?

Evaluate the expressions when x = 1/2 and y = -3. 1. -4xy -4 * .5 * -3 = 6 2. 6x - 3y 6(.5) - 3(-3) 3. -5y + 8x + 1 -5(-3) + 8(.5) + 1 = 20 4. -x^2 - y + 2 -0.5^2 - (-3) + 2 = 4.75 5. 2x + 4 (x + .5) + 7 2(.5) + 4 (-3 + .5) + 7 = -2 6. 2(4x - 1)^2 - 3 2(4(.5) - 1)^2 - 3 = -1
44. ### Math

Solve the equations below. Check your solutions. 3x-5/2=4x+1/4
45. ### Math

Solve the equations below. Check your solutions. 8/k=14/k+3
46. ### Math

Solve the equations below. Check your solutions. 3x-5/2=4x+1/4
47. ### Mathematics

Find the slope line of (1,4) and (2,1) -3 3•• -1/3 1/3 Check my answer
48. ### Math

-2+3{6-(1-9]=? I got 14. I just need you to check if its right
49. ### English

What are the answers to unit 3 lesson 2 quick check
50. ### Ela

Can you help me with the final check:Relating to Parents chapter 17
51. ### Compound Inequalities

Solve. 5 < x - 2 < 11 a. 5 < x < 11 b. 7 < x < 13 c. 7 < x < 11 d. 5 < x < 16 My answer is b. Can you check my work?
52. ### Math

solve the inequality: -3(4-a)=6 1) -6 2) -2 3) 2 4) 6 I think #1 is correct. Can you check? Thanks
53. ### Math

How can you check the answer to a decimal multiplication problem
54. ### English

I'll try to learn how to make a clear voice. I'll try to practice making a speech in my room. I'll try to study hard to go abroad. I'll try to study hard to learn in college in the USA. I'll try to study hard to learn linguistics in an American University. I'll try hard to be ...

1) Which statement below is incorrect if any? a)when gas is at STP, the pressure of the gas is at 1.00 atm. b)when a gas is at STP, the temperature of the gas is 25 degrees celsius c)at STP the molar volume of a gas is 22.4L d)at STP the molar volume of all gases are the same ...
56. ### algebra

At 3PM, two ships started sailing toward each other from ports which were 265 miles apart at average rates of 18 and 23 miles per hour. At what time were the ships still 60 miles apart? *Again, I;m having a real bad day; please walk me through this.*
57. ### Algebra

How come when you find the square of the binomial (2x-5y)^2, the answer is 4x^2-20xy+25y^2 (according to my book)? I would think that the middle term, 2(2x-5y) would be 4x-10y, but my book says it is -20xy. But I thought you 2x and 5y were separate terms so you can't combine ...
58. ### Algebra 2

Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn this today, but I am totally lost still on what to do. Can you please help? The formula for this is y=a(x - h)^2 + k the h is the x-value vertex and ...
59. ### Algebra II

If one leg of a right triangle is 5 times the square root of 3 centimeters, and the hypotenuse is 2 more than the other leg, what is the length of the other leg? While it does say please show my work, I literally have NO idea how to solve this, and this is one of my last ...
60. ### check my work..math grade 8...surface area

A men's basketball is about 24.3 centimeters in diameter, while the diameter of a women's basketball is about 23.4 centimeters. What is the ratio of the surface area of a men's basketball to the surface area of a women's basketball? Round your answer to the nearest hundredth. ...

The supershots scored over 75 points in each of ten straight games. The newspaper predicts that they will score more than 75 points tonight. Which form of reasoning is this conclusion based on? A. Deductive reasoning, because the conclusion is based on logic B. Deductive ...
62. ### FRENCH

Avec une partenaire, jouez les rôles d'une cliente et d'un serveur/une serveuse dans un restaurant français. Ce restaurant a des spécialités et un menu. Here are the instructions. Dites "Bonjour". (Both the server and the the client greet eachother) Server : Demandez ce ...
63. ### Algebra

I've been trying to figure out this equation for over an hour but all the answers I get are wrong. The equation is 0.9=-10I^2+6I . The answer is supposed to be 0.3 and it does work out, but I have tried all different ways to solve for I and nothing seems to work. Could someone...
64. ### Algebra II

A triangle has vertices (-2,-3), (3,5), and (8,-1) Write a matrix expression to represent rotating the triangle 90° clockwise. Evaluate the matrix expression and list the coordinates of the vertices of the transformed figure. Please help me! I was absent for the entirety of ...
65. ### Economics

Hi, Please I researched so badly, I need help to find information about Cybernomics issues and solutions. Please can you help me. Give me a site I can go to that will have information concerning Cybernomics. Please Thank You.
66. ### math

1) Write a translation rule that maps point D(7, –3) onto point D'(2, 5). Note: PLEASE ANSWER, NEAT & CORRECT PLEASE AND THANK YOU!! =) :-) AND EXPLAIN IT GOOD STEP BY STEP, PLEASE. :)
67. ### Algebra Readiness (Pre-Algebra) B

Find the surface area for a cylinder with a height of 20 and a radius of 6. Use 3.14 for pi and round to the nearest whole number. 180 ft 720 ft 433 ft 135 ft I thinks it is 720 ft.
68. ### Algebra 2

Mrs. Jones algebra 2 class scored very well on yesterday's quiz. With one exception, everyone received an A. Within how many standard deviations from the mean do all the quiz grades fall ? Ó =3.1 95, 92,94,88,96,99,91,93,94,97,95,97
69. ### Algebra II

I need some help with some problems as well as need some checked. Could you please help me? Thanks! 1. How do you graph y=1/x 2. How do I the x and y intecepts using a graph? Solve and check the linear equation. 9. (-4x-2)+7=-3(x+3) I got 14 10. -2[7x-7-6(x+1)]=2x+5 I got 21/4...
70. ### physics

In a room that is 2.13 m high, a spring (unstrained length = 0.30 m) hangs from the ceiling. A board whose length is 1.58 m is attached to the free end of the spring. The board hangs straight down, so that its 1.58-m length is perpendicular to the floor. The weight of the ...

72. ### Science

1) Which of the following is true about photosynthesis? A. It is an exothermic reaction B.It is a endothermic reaction ***** C.It produces carbon dioxide D. It occurs in animals 2) Atomic Theory is A.Subject to change if new information is discovered B.A solution to the ...
73. ### Geometry

Writing indirect proofs. Can someone please check for me. I am not sure If this is correct.Thanks much Given: triangle ABC angle B=120 degree Proof: Triangle A does not equal 60 degree Plan: Using an indirect proof, using the paragraph method My answer. Assume temporarily that...
74. ### MATH

I'M IN 6 GRADE PLEASE EXPLAIN HOW TO RENAME FRACTIONS TO DECIMALS AS EASY AS YOU CAN You divide the fraction by the the number at the top by the number at the bottom and get a decimal For example 5 --- = 6 doesn't go into the 5 so we add a 0 and a point and then we add a zero ...
75. ### Algebra

Find the variation constant and an equation of variation where Y varies directly as X and Y=60 when X=10 k=variation constant y=equation of variation Still do not understand..please..
76. ### Algebra

To find the product 3/7 multiplied by 4/9, Cameron simplified 3/7 to 1/7 and then multiplied the fractions 1/7 and 4/9 to find the product 4/63. What is Cameron's error? Please help answer thanks

Two cars leave town going in the same direction. One travels 55 mph and the other travels 65 mph How long will it take before they are 180 miles apart? Hint: We do know that one car is 180 miles ahead of the other, so the slow car's distance can be represented by " d " and the...
78. ### Chemistry

Urgent... Someone please help!! Can someone please check to see if I am doing these correctly, I have a test tomorrow... Thank you :) Q) Calculate the new molarity of a 35mL sample of 0.450 M CaCl2 solution that is diluted with enough water to make 250 mL of solution. A) 0.450...
79. ### Profit margin ratio

Could someone please help? I have to compute the profit margin for the following: Net income Net Sales A. \$4,390 \$44,830 B. 97,644 398,954 C. 111,385 257,082 D. 65,234 1,458,999 E. 80,158 435,925 I think (check your text) you use Net Profit Margin = Net Income / Net Sales ...
80. ### English

please can u check my work. Thank you. example of a passive sentence: Macaws eat nuts and berries. Nuts and berries are eaten by the Macaw. 1) Capuchin monkeys eat fruit, insects, leaves, small birds and frogs. my answer: Frogs, small birds, leaves, insects and fruit are eaten...

The U.S. population in 1990 was approximately 250 million, and the average growth rate for the past 30 years gives a doubling time of 66 years. The above formula for the United States then becomes P (in millions) = 250 times 2( y-1990)/66 What will the population of the United...
82. ### algebra 1

Can anyone help me with these questions? Please 1. ac - bc + ad - bd 2. xy - 3x - 8y + 24 3. 4x2 + 20x + 5y +xy 4. 48x2y + 20xz +12xy + 5z is the 4x2 4 times 2 or 4x to the power of two or 4 times x times 2? same question with 48x2y. its to the 2nd power
83. ### Algebra

The units digit of a two digit number is 1 more than twice the tens digit. If the digits are reversed, the new number is 36 more than the original number. Find the number. Please help!!

The height of a curved support beam can be modeled by F(x)=- x^2/288 +18 Find the height and width of the beam. Height = units Width = units
85. ### Algebra 2

Use the distance formula to find the equation of a parabola. Focus: (6,0) and directrix X = -3 I know the distance formula is: √(x-x1)^2+(y-y1)^2 = √(x-x2)^2+(y-y2)^2 I know I need to sub (6,0) for x1,y1 and (-3,y) for x2,y2 √(x-6)^2+(y-0)^2 = √(x-(-3...
86. ### algebra

A clock has a minute hand that is 14 feet long and an hour hand that is 9 feet long. What is the average speed (in mph) of the tip of the minute hand no idea how to solve this... please help :)
87. ### algebra(check)

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1 answer=d 3)Find four ...
88. ### English

Culture Experience Camp With Native Speakers 1. Date 1) Team A Ceramic Art Classroom : January 12th, 2010 09:00 - 14:30 2) Team B Technology Classroom : January 13th, 2010 09:00 - 14:30 2. Place: Spo1 Park 3. Gathering time and place In front of the entrance of the Nopo-dong ...

Andy and William work together to build a toy house. It will take William 5 hours and Andy 4 hours, or William 10 hours and Andy 2 hours to finish their work. If William works alone, how many hours will it take to finish his work? I say 15 is the answer.
90. ### Spanish

Can someone please check my work? We all have new clothes. Write sentences using the elements below. Replace the direct objects with the correct direct object pronoun. 1. Aníbal/preferir (unas camisas de color rojo) Aníbal las prefiere. 2. Julieta y Emma/comprar (unos ...
91. ### English

Can you please check these sentences I'm unsure of? Thank you very much 1)Nature was given great importance. (not "a" great importance) 2) He calls his students little pitchers to be filled with facts. 3) Its inhabitants were affected (or the health of its inhabitants was ...
92. ### Foreign languages

Thank you very much for giving me so much information ! Can you check these sentences for me, please? 1) Thank you for replying to my request of today. ... I would like to book a room with a double bed and a single bed at..... for person sharing which includes breakfast and ...

how do i simplify comlex fractions, like this one: ((5/x)-(x/x-1)) / ((x/x+1)+(6/x)) These are strains...you strain. Start with the numerator ((5/x)-(x/x-1)) Multply by x(x-1)/x(x-1) That simplifies it some. Then the denominator: multiply be x(x-1)/x(x-1) See if that gets you ...
94. ### algebra

Find the points of discontinuity and any holes. y=x^2-1/(x^2+3x+2) please and thank you y =(x^2-1)/((x+1)(x+2)) =(x-1)/(x+2) we cancelled the (x+1)/(x+1) which is 0/0 for x=-1 so in our simplified expression when x=-1 y = -2 There is a "hole" at (-1,-2) in the final expression...

Lester deposited \$400 into a savings account earning 4.5% simple interest, and \$450 into an investment account earning 3.2% interest compounded annually. What was the total interest he earned in 3 years? A \$986.00 B \$89.06 C \$9.60 D \$98.60
96. ### Algebra 1

Simplify -(2xy^3)^-5 A: -32x^5y^15 B: -32/x^5y^15 C: -1/32x^5y^15 D: -1/32x^4y^2 I have a good understanding of Exponents, its just that I don't get this one. I feel like it is C but at the same time I feel like it is B. I got C though but I don't understand how they got -1 on...
97. ### Algebra

Use synthetic division to find P(-3) for P(X)= x^4 - 2x^3 - 4x + 4 So I know how to do synthetic division and all, but I'm still somehow not coming up with the correct answer! Below is my work so far. Please help me interpret it so that I can get the correct answer. Thank you...
98. ### math

1- writing to explain- why might you need to measure a perimeter with a measuring tape instead of a ruler? 2- how are a ruler, a yardstick, and a measuring tape the same? how are they different? i don't 1 answer and i try 2 answer please check is it right or not 2) a ruler a ...
99. ### English

Can you please check these sentences? It's really urgent. 1) At school I mustn't cheat during a test (also tests?). 2)When I do the washing-up, I have to put the dishes into the dishwasher, then put the washing-up gel (powder) into the dishwasher, start it and wait for the ...