What is the standard form of x/4 - y/3 =1 and 5/x - 2/y=7.
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Answer 1
Answer:
You can multiply both sides by a number that will get rid of the denominators. For ex. you can multiply the first equation by 12 because 4 and 3 both go into 12 evenly. MAKE SURE YOU MULTIPLY THE OTHER SIDE BY 12 AS WELL! Therefore, 12(x/4) - 12(y/3) = 12(1), or 3x - 4y = 12
Liam is setting up folding chairs for a meeting. If he arranges the chairs in 9 row of the same length, he has 3 chairs left over. If he arranges the chairs in 7 rows of that same length, he has 19 left. How many chairs does Liam have?
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Let the number of chairs in a row be x, then the total number of chairs is 9x + 3 = 7x + 19. i.e. 9x + 3 = 7x + 19; 9x - 7x = 19 - 3; 2x = 16 x = 16/2 = 8. Thus there are 8 chairs in each row. Therefore, the total number of chairs is given by 9(8) + 3 = 72 + 3 = 75.I hope that my answer is helpful! Let me know if you need something more :)
CeeCee recorded the number of necklaces for sale at 10 different locations and then arranged the numbers from smallest to largest. The numbers of necklaces for sale at the locations were 4, 4, 4, 5, 8, 9, 9, 9, 9, and 9.The mean number of necklaces for sale at the locations was 7.What is the mean absolute deviation?
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Ok screw it, I went and watched a video on it You calculate MAD by working out the absolute value that each data point is away from the mean To do so, subtract each point from the mean, and then you don't care if the result is positive or negative, you just write it as positive So 4 - 7 = -3, deviation is 3 4 - 7 = -3, deviation is 3 4 - 7 = -3, deviation is 3 5 - 7 = -2, deviation is 2 8 - 7 = 1, deviation is 1 9 - 7 = 2, deviation is 2 9 - 7 = 2, deviation is 2 9 - 7 = 2, deviation is 2 9 - 7 = 2, deviation is 2 9 - 7 = 2, deviation is 2 Now, you add up all the deviations, and divide them by the number of points of data you have, so (3 + 3 + 3 + 2 + 1 + 2 + 2 + 2 + 2 + 2)/10, or simply 22/10 So the MAD is 2.2 I think
Answer: 2.2
This ilshoulf be right
Can you help me please this is 7th grade work still in 5th
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Hi mathsupersaver 1 Just do 7 divide by 15 and get 0.4666666666 so the answer is first one I hope this helps have a nice day =)
7. 2(a + 1) = 2(2-3)
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Answer:
#YOUCHEAPSUCKA
the answers is = -2
Step-by-step explanation:
Find the square root of 10 to the nearest hundredth
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Answer: 3.162
Step-by-step explanation:
Square root of 10: 3.16227766017
Describe a real life multiplication situation for which an estimate makes sense
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Let's say we're at the store and you want to buy 10 boxes of cookies for a party. Each box of cookies cost 4.89(counting tax), you don't know if you have enough money to buy the cookies with the $65.00 you have with you. You could round the price up to $5.00 and do more simple multiplication. Your total would estimate about $50.00. Now you know you have more than enough money to buy cookies. I hope that makes sense. :)