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taurus [48]
3 years ago
8

When a system of linear equations has no solution the graph will

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0
The answer is B, have parallel lines.
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Median and mean math questions
Harlamova29_29 [7]

Answer: #7 D) neither set. #6. C) the sum of the data values must be 75. #5. The 6th missing temperature must be 80 degrees

Step-by-step explanation: #7. if you eliminate 3 numbers on each side on set A, then the numbers remaining are 2 and 19. In order to find the median add the two numbers, 19+2 which equals 21. Then divide that number by 2 to find your median, or in other words find the average, 21 divided by 2 is 10.5 which is not 12.5, so that set doesn’t work. In set B eliminate 2 numbers on each side. That will leave you with 10 and 9, then again find the average of the numbers. 10+9=19, and 19 divided by 2= 9.5. So therefore neither of the sets have a median of 12.5

#6. If there are five numbers in the data set and you are finding the average to be 15, then the five values must equal 75. In order to find the average of five numbers you must first add all of your values, and then divide by five, for there are five numbers. If you add all of your numbers up it must total 75, because 75 divided by 5= 15 which is the mean. Any other total would not work.

#5. The median of the original set is 72 degrees. In order to find the missing number you need to do some check and guess. Take the original median and add a number relatively close to the other numbers, for example 75, then add the two numbers together, 72+75=147. Then divide that by two, 147 divided by 2= 73.5 which is not the correct median number, its too low, so experiment with higher numbers and repeat the same process until you find a number that, if added to 72, totaled, and then divided by 2 equals 76.

I really hope this helped :)

7 0
3 years ago
168 miles 3 hours how many miles per hours can i go
Kisachek [45]
168/3=56. 56 miles per hour.
7 0
3 years ago
The width of DNA is approximately 0.0000000025 meter wide. In scientific notation, 6 times the width of DNA can be written as 1.
Reptile [31]
The value of x is 15.0
8 0
3 years ago
D Answer each question.
nika2105 [10]

Answer:

Step-by-step explanation:

1. Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz.

2. speed of sound is 343 m/sec.

3. two animals are Bats and Whales.

4.The voiced speech of a typical adult male will have a fundamental frequency from 85 to 180 Hz, and that of a typical adult female from 165 to 255 Hz.

6 0
2 years ago
A recipe needs 23 cup(s) of sugar for every 212 cups of flour. If you plan to use 10 cups of flour, how much sugar will you need
arlik [135]

Answer: you will need approximately 23 grams

Step-by-step explanation: but thats approximately

4 0
3 years ago
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