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yan [13]
3 years ago
6

What is 38 1/2 and 1 1/4 as a unit rate?

Mathematics
1 answer:
Leviafan [203]3 years ago
7 0
38.5 / 1.25 = 30.8 or 77/2 divide by 5/4 = 154/5 = 30.8
so, the unit rate is 30.8
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7/9 - 2/8 × 4/9 A.5/9 B.48/72 C.20.9 D.2/3
zysi [14]

Answer:

2/3

Step-by-step explanation:

7/9 - 2/8 x 4/9

Reduce the fraction.

7/9 - 1/4 x 4/9

Reduce the numbers:

7/9 - 1/9

Subtract the fractions.:

6/9  >  2/3

8 0
3 years ago
HELP ASAP! WILL MARK BRAINLIEST!! 50 POINTS!!
salantis [7]

Answer:

I can't even read the text

Step-by-step explanation:

;-; so tiny!???

8 0
2 years ago
Read 2 more answers
Can you please find the mean median mode and range for these two tables?( separate answers for the two)
Fudgin [204]

Answer:

For the Chinese students the mean is 6.8 and the median is 7. The mode is 6 and the range is 5.

Step-by-step explanation:

The mean is just the Sum of all the number on the left columns divided by the number students. The sum is 204 and there are 30 students. So divide 204 by 30 and you get 6.8.

To find the median for Chinese students, all you need to do is arrange the numbers from least to greatest and then find the number,or numbers, that are left in the middle. So you cross off numbers on both ends until you get to the middle. Ex: you are given the numbers 12,7, and 5. Arrange them like so, 5, 7, 12. cross off the numbers on the sides and you get 7 as your median. Because 30 is divisible by 2, you end up with two numbers in the middle. When that happens, you add both middle numbers together and then divide by 2.  

Finding the mode shouldn't be too hard if you've arranged the numbers from least to greatest. The mode is just the number you see most often in a set of data. In this case, 6 is the most common number of letters a Chinese student has.

Lastly, to find the range, you need to find the lowest value or number and subtract it from the highest value or number. Here the highest value is 9 and the lowest is 4. So 9 - 4 = 5.

6 0
3 years ago
PLEASE HELP MEEE :))))))
Greeley [361]

Step-by-step explanation:

The correct steps are:

2x²-2x-24=0

2(x²-x-12)=0

2(x-4)(x+3)=0

x=4 or x=-3

so what actually went wrong, is the final answer which is supposed to be <em>x=4,-3</em><em> </em>instead of x=-4,3

5 0
2 years ago
Read 2 more answers
The difference when 7 less than a number is subtracted from twice the number is 12. what is the number?
ipn [44]
It is 5......2x-(x-7)=12  proof:  2*5-(5-7)=12
               2x-x+7=12           10-(-2)=12
                x=12-7                 10+2=12
                x=5                        12=12

6 0
3 years ago
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