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SpyIntel [72]
3 years ago
12

The directions for mixing an insect spray say to use 2 7/8 ounces of chemical in each gallon of water. How many ounces of chemic

al should be mixed with 5 2/3 gallons of water?
Mathematics
1 answer:
Alinara [238K]3 years ago
7 0
There is a website on that

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Place these numbers on the number line. 1/4, 2/3, 3/4, 6/8
Lelu [443]
The best way to put them into a number line is to make sure that they've all got the same denominator, which in this case, will be 24, as this is the lowest common multiple of 3,4 and 8. You will then need to multiply these fractions accordingly. The first one (1/4) will need to be multiplied by 6 to get a denominator of 24, so this will then give you a result of 6/24. The second one (2/3), will need to be multiplied by 8, which will then give you a result of 16/24. The third one (3/4)will also need to be multiplied by 6, giving you 18/24. The final one (6/8) will need to be multiplied by 3, giving you 18/24. You will then need to put these in order, which will be- 1/4, 2/3, 3/4, and 6/8. The alternative method is to turn these into decimals- 1/4 is equivalent to 25%, which is equal to 0.25. 2/3 is equivalent to 66.66%, which is equivalent to 0.66. 3/4 is equivalent to 75%, which is equal to 0.75. 6/8 is also equivalent to 75%, which is equal to 0.75, you can then easily line them up this way. Hope this has been able to help you
4 0
3 years ago
Help me find Sample variance and standard deviation
AnnZ [28]
First, find the mean. You'll need it to compute the variance.

\bar x=\displaystyle\frac15\sum_{i=1}^5x_i=\dfrac{21+10+6+7+11}5=11

The variance of the sample is then computed with the formula

s^2=\displaystyle\dfrac1{5-1}\sum_{i=1}^5(\bar x-x_i)^2=\dfrac{(21-11)^2+\cdots+(11-11)^2}4=\dfrac{71}2=35.5

The standard deviation is the square root of the variance, so

s=\sqrt{35.5}\approx5.958
5 0
3 years ago
How can u get from 100 to 18 in divison or multiplaction
slavikrds [6]
100x 0.18 as it equals 18 when you multiply it 
6 0
3 years ago
Help please math thank you
bija089 [108]

Answer:

5

Step-by-step explanation:

4 0
2 years ago
Pic is question vuygvcutyfvgt
Furkat [3]

Answer:

30

Step-by-step explanation:

270/9 = 30

Hope This Helps & Good Luck :)

5 0
3 years ago
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