Questions on Algebra: Expressions involving variables, substitution answered by real tutors!

Tutors Answer Your Questions about Expressions-with-variables (FREE)

Question 206908: Find 4 consecutive even integers such that the sum of the second and fourth is 76.
Click here to see answer by Alan3354(30993)

Question 206908: Find 4 consecutive even integers such that the sum of the second and fourth is 76.
Click here to see answer by MathTherapy(1425)

Question 206906: Find 4 consecutive odd integers with a sum of 184.
Click here to see answer by stanbon(57377)

Question 206906: Find 4 consecutive odd integers with a sum of 184.
Click here to see answer by MathTherapy(1425)

Question 206954: I'm having a hard time working on a problem. I think I have the concept but I'm not sure if it's correct. I just want to double check. Can you please help.
96y^2/108y^5
Click here to see answer by Alan3354(30993)

Question 207031: how do you turn this variable: 6x into 1 expression?
Click here to see answer by Alan3354(30993)

Question 207184: find the value of six added to the product of four and eleven
Click here to see answer by solver91311(16897)

Question 207185: find the value of six added to the product of four and eleven
Click here to see answer by rfer(12666)

Question 207099: In a survey of 75 resorts, it was reported that:
45 provided refrigerators in the guest rooms
37 provided laundry services
44 provided business centers
23 provided refrigerators in the guest rooms and laundry services
29 provided refrigerators in the guest rooms and business centers
21 provided laundry services and business centers
12 provided all three features
Construct a Venn diagram and use it to answer the following questions:
(a) How many of the resorts provided only refrigerators in the guest rooms?
(b) How many of the resorts provided exactly one of the features?
(c) How many of the resorts provided at least one of the features?
(d) How many of the resorts provided exactly two of the features?
(e) How many of the resorts provided none of the features? : 1. (3 points ) Answer “Yes” or “No” for each question

Click here to see answer by rfer(12666)

Question 207098: A drug company is considering manufacturing a new product that has two different flavors, orange and cherry. They surveyed 150 people. The results are as follows:
75 liked cherry flavor
94 liked orange flavor
22 liked both flavors.

Click here to see answer by rfer(12666)

Question 207267: 21. alicia weighs 60 lbs less than her father. their combined weights total 300 lbs at most. what is the most alicia could weigh?
23. the sum of three consecutive even integers is less than or equal to 42. find the largest set of these numbers.
24. find all sets of four consecutive odd whole numbers whose sume is less than 38.
Click here to see answer by rfer(12666)

Question 207380: EVALUATE THE FORMULA V=Bh/3 for each pair of values
B=4cm^2, h=6cm
I got 8 for answer
Click here to see answer by rfer(12666)

Question 207385: EVALUATE THE FORMULA V=Bh/3, for each pair of values
B=7ft^2, h=9ft
Click here to see answer by rfer(12666)

Question 207457: simplify the expression
2(d-7)+3
Click here to see answer by scott8148(6628)

Question 207491: find an equivalent expression with given denominator
9/y=?/y^2
Click here to see answer by Alan3354(30993)

Question 207502: x/2-x/3=12
Click here to see answer by jim_thompson5910(28595)

Question 207544: how to solve: s= -1/2gt^2 + vt for the variable g
Click here to see answer by stanbon(57377)

Question 207578: In problems on the model of one already solved -- Car rental agency A will rent a compact car for $40 per day and an additional charge of $0.20 per mile. Car rental agency B will charge only $0.16 per mile but charges $51 per day. If Adam wanted to rent a car for four days, how many miles would Adam have to drive to make car rental agency B a better bargain -- in which one is trying to figure when two terms calculated according to different rates of change reach equilibrium, why does the variable not go in the denominator? E.g., in this problem, ".20x" and ".16x" represent $.20/mile and $.16/mile.
Click here to see answer by ankor@dixie-net.com(15658)

Question 207493: 13s+s+7/15s
collect like terms, simplify answer type improper fraction
Click here to see answer by checkley77(12569)

Question 207675: 7 less than three times a number
Click here to see answer by rfer(12666)

Question 207484: what is the verbal expression for 8g to the 3rd power over 4?
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Question 207707: What is the algebraic expression or equation for...Double a number added to ten
Click here to see answer by RAY100(1637)

Question 207725: the total height of a 1-foot tall birdbath if its placed on a base that is b feet tall?
each person's share of base cards if 4 people share c cards equally?
numberof minutes in h hours?
Click here to see answer by RAY100(1637)

Question 207515: Simplify
1/(3 + x) - 1/3 all over x
Click here to see answer by RAY100(1637)

Question 207966: i need help understanding this question!!!
Click here to see answer by rfer(12666)

Question 208146: Story Problem:
There are a total of 130 people at a concert of kids and adults. The adult tickets cost $9.25 per ticket and the kid tickets cost $5.50 per ticket. If the total amount of money made at the concert was $902.50, how many adults were at the concert?
Click here to see answer by rfer(12666)

Question 208143: Solve algebraically:
7x+3y=29
and
5x+6y=-10
Click here to see answer by HyperBrain(694)

Question 208163: Story problem:
Johnny canoes down the American River with the current of 10km/hr in 6 hours. The return trip back up the River takes 15 hours. What is the rate of the canoe on the return trip?

Click here to see answer by ankor@dixie-net.com(15658)

Question 208190: Two hundred people were on a chater flight to las vegas. Some paid $200for their tickets and some paid $250. If the total revenue for the flight was$44,000 then how many tickets of each type were sold.
Click here to see answer by checkley77(12569)

Question 208333: what is 3(x-1)+7=7x-2+x

Click here to see answer by algebrapro18(206)

Question 208333: what is 3(x-1)+7=7x-2+x

Click here to see answer by MathTherapy(1425)

Question 208326: what does x equal in the equation: 6x^2 -22x + 20 = 0
Click here to see answer by ankor@dixie-net.com(15658)

Question 208362: What does x equal in
(6p-2)/7=(5p+7)/8
Click here to see answer by Alan3354(30993)

Question 208392: How would I translate and solve the following word problem into a pair of linear equations in two variables?
The sum of two numbers is 52, and their difference is 6.
What are the numbers?
Click here to see answer by Edwin McCravy(8909)

Question 208396: Find the pattern. Use the pattern to write an expression for the sum of the whole numbers from 1 to n. Then find the sum of the whole numbers from 1 to 50.
The pattern is 1 more than the sum of the previous whole numbers. I don't understand how to find "n". To make an expression or formula to solve the last part.
Click here to see answer by rfer(12666)

Question 208382: Can you please help me with this question: x^2+5 = 5 1/16?

Click here to see answer by rfer(12666)

Question 208388: How would I solve the equation listed below using the elimination method? I have tried, but I keep coming up with differnt answers.
x+5y=29
-7x+4y=70
Click here to see answer by nerdybill(6962)

Question 208497: Blake has a total of $1600 to invest in 2 accounts. one account earns 5% simple intereest and the other earns 7% simple interest. how much should be invested in both accounts to earn exactly $90 at the end of 1 year?
? 5% account
? 7% account
Click here to see answer by checkley77(12569)

Question 208566: the quotient of fifteen and five
Click here to see answer by stanbon(57377)

Question 208560: If the temperature in degrees Fahrenheit is known, the temperature in degrees celsius can be found by substituting the fahrenheit temperature f in the following expression 5/9[f-32]
on a hot day the temperature is 35 degrees celsius what is the temperature in degrees fahrenheit
Click here to see answer by checkley77(12569)

Question 208605: How to solve this equation please:
0.5(c+2.8) - c = 0.6c+0.3
Step by step would be nice. Anything is appreciated.
Click here to see answer by checkley77(12569)

Question 208576: How do i evaluate the formula V= Bh_3 for each pair of values B=8.4 cm2,h=10cm

Click here to see answer by rfer(12666)

Question 208669: I have to write algebraic expression or equation to represent a phrase or sentence. 20% of 400
Click here to see answer by nerdybill(6962)

Question 208724: A first square has a side of length x while the length of a side of second square is 2 units greater than the length of a side of the first square. What is an expression for the sum of the areas of the two squares?
Click here to see answer by checkley77(12569)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800