Tutors Answer Your Questions about Equations (FREE)
Question 984528: Please help me help my daughter. She has 4 problems that involve prediction equations. We are NOT looking for the answer, but instead how to solve them ourselves. Example: This is her first problem:
A student who waits tables at a restaurant recorded the cost of meals and the tip left by single diners.
It has a table with meal cost listed and tip left amounts.
The cost of meals are labeled as the x variable. The tip is listed as the y variable.
She then has to solve for a given amount the tip that would be left.
Click here to see answer by ankor@dixie-net.com(22740)   |
Question 984684: After a knee surgery your trainer tells you to return to your jogging program slowly.he suggest jogging for 12minute each day for the first week.each week thereafter he suggested that you increase that time by 6minute per day. How much weeks will it be before you are upto jogging 60minute per day
Click here to see answer by vleith(2983) |
Question 984744: Vincent and sofia have the same birthday. On their birthday this year Sofia's age is three times Vincent's age in years. Both Vincent and sofia are less than 10 years old and Sofia's age is an odd number. Which of these could be Vincent age?
A. 2years
B.3years
C.5years
D.7years
Click here to see answer by josmiceli(19441)  |
Question 984850: My son entered 8th grade this year and enrolled in Algebra 1. To this point I have been able to assist him with his homework. Tonight however there is one problem left of twenty that he didn't solve.
Given the operations (), +, -, and x(multiplication), write an equation so the answer is 18. We've gotten everything but 18 for an answer every way we can think to write it. I'm beginning to think there was a typo in his homework.
Thank you for your time and any assistance is greatly appreciated.
Click here to see answer by Alan3354(69443)  |
Question 984964: 1. Solve the system of equations by elimination.
2x2 + 6y2 = 168
2x2 + y2 = 43
Options:
(±3, ±5)
(±5, ±3)
(±3, ±3)
(±5, ±5)
2. A box contains 4 white ribbons and 8 pink ribbons. Determine whether the events of picking a white ribbon and then another white ribbon without replacement are independent or dependent. Then identify the indicated probability.
Options:
independent; 1/11
dependent; 1/12
dependent; 1/11
independent; 1/12
3. Each of 5 boys randomly chooses a watch from 12 different styles. What is the probability that at least 2 boys choose the same type of watch?
Options:
≈ 0.7387
≈ 0.6181
≈ 0.5387
≈ 0.3819
4. Use the standard deviation to identify any outliers in the given data set.
{3, 6, 30, 9, 10, 8, 5, 4}
Options:
3
8
30
none
5. Bill wants to plant roses in his triangular plot. There will be 1 plant at a corner. Each row will have 6 additional plants. He wants the plot to have as many rows as possible with 150 rose plants. How many rows will Bill's plot have?
Options:
5 rows
6 rows
7 rows
8 rows
Click here to see answer by ikleyn(52781)  |
Question 984966: Using f(x) = tan x as a guide, identify the graph of the following function.
Options:
http://my.thinkwell.com/questionbank/97001-98000/97754/img/237017.jpg
http://my.thinkwell.com/questionbank/97001-98000/97754/img/237018.jpg
http://my.thinkwell.com/questionbank/97001-98000/97754/img/237019.jpg
http://my.thinkwell.com/questionbank/97001-98000/97754/img/237020.jpg
Click here to see answer by solver91311(24713)  |
Question 984965: 1. Identify the indicated sum.
Image:
http://my.thinkwell.com/questionbank/94001-95000/94420/img/245513.gif
Options:
−660
−330
330
660
2. Identify the graph that represents an angle in standard position with the measure -140.
Options:
http://my.thinkwell.com/questionbank/94001-95000/94450/img/236989.jpg
http://my.thinkwell.com/questionbank/94001-95000/94450/img/236990.jpg
http://my.thinkwell.com/questionbank/94001-95000/94450/img/236991.jpg
http://my.thinkwell.com/questionbank/94001-95000/94450/img/236992.jpg
3. Use the given measurements to solve ΔABC. Round to the nearest tenth.
a = 15, b = 11, c = 7
Options:
m∠A ≈ 25.8°; m∠B ≈ 43.2°; m∠C ≈ 110.9°
m∠A ≈ 43.2°; m∠B ≈ 110.9°; m∠C ≈ 25.8°
m∠A ≈ 110.9°; m∠B ≈ 25.8°; m∠C ≈ 43.2°
m∠A ≈ 110.9°; m∠B ≈ 43.2°; m∠C ≈ 25.8°
Click here to see answer by macston(5194)  |
Question 985026: An orange cost 5 cent more than an apple. I)write down the expression, in terms of y, for the cost of one orange. Ii)write down the expression, in terms of y, for the total of 3 apple and one orange. Iii) the total cost for 3 apple and one orange is 61 cent. Form an equation in term of y and solve it to find the cost of one apple.
Click here to see answer by josgarithmetic(39617) |
Question 985206: I would be sooo thankful for your help!!!!
After successfully solving an absolute -value problem Ariel spilled heath bar crunch all over the problem. All that can be read now is "The distance between x and (mess of ice cream) is (another mess of ice cream)." Given that Ariel's answers are x=-3 and x=7, reconstruct the missing parts of the problem.
Click here to see answer by MathLover1(20850)  |
Question 985257: Hi, I have a worded question on which I am experiencing extreme trouble with. I was hoping you could help me with? the question states, "Ms. Aquay Shun invested a fourth of her money in stocks, a fifth of her money in a frozen yogurt store and a sixth of her money in her child's college fund. She put the remaining $32,000 in the bank. What is the total amount she has invested or saved." Thanks.
Click here to see answer by josgarithmetic(39617) |
Question 985257: Hi, I have a worded question on which I am experiencing extreme trouble with. I was hoping you could help me with? the question states, "Ms. Aquay Shun invested a fourth of her money in stocks, a fifth of her money in a frozen yogurt store and a sixth of her money in her child's college fund. She put the remaining $32,000 in the bank. What is the total amount she has invested or saved." Thanks.
Click here to see answer by ikleyn(52781) |
Question 985203: I would really appreciate if someone would walk me through this problem in detail. I am stuck on this question. Thank you sooo much for your help!!!!!
Near the surface of the earth, assuming negligible resistance from the air, the height in feet of a falling object is modeled well by the equation y = h − 16t^2 , where y is the height of the object, t is the number of seconds the object has been falling, and h is the height from which the object was dropped. (On your calculators, you will graph y for h and x for t).
a) If an iron ball were dropped from the Washington Monument, which is 555 feet high, how far above the ground would the ball be after 2 seconds of falling? How long would it take for the ball to hit the ground?
b) Due to air resistance, a falling bag of corn chips will not gain speed as rapidly as a falling iron ball. Cal Elayo, a student of science, found that the descent of a falling bag of chips is modeled well by the equation y = h − 2.5t^2 . In an historic experiment, Cal dropped a bag of chips from a point halfway up the Monument, while a friend simultaneously dropped the iron ball from the top. After how many seconds did the ball overtake the bag of chips?
c) Graph the equations y = 277.5 − 2.5t^2 and y = 555 −16t^2 on the same system of axes. Calculate the y- and t-intercepts of both curves. What is the meaning of these numbers? Notice that the curves intersect. What is the meaning of the intersection point?
Click here to see answer by rothauserc(4718)  |
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36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 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