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shtirl [24]
3 years ago
12

−4x+5y=7 8x-10y=-15 No solution, infinite solution, or one solution

Mathematics
1 answer:
garik1379 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

-4x + 5y = 7

 8x - 10y = -15

-8x + 10y = 14

 8x - 10y = -15

0 ≠ -1

no solution

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Two equations are given below:
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Since the second equation gives a value for a, we can substitute it into the other equation to find a value for B.

Let's substitute b-2 into the first equation wherever there is an a.

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3 years ago
There are 28 students in Mr. Smith's math class. 6/7 of them prefer pizza over cheeseburgers. How many students prefer pizza?
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Read 2 more answers
Use the box plots comparing the number of male puppies and number of female puppies attending doggy daycare each day for a month
dalvyx [7]
  1. The IQR for the males' data is 25.
  2. The difference between the median of the males' data and the female's data is 14.
  3. The distribution of the males' data is skewed to the right and the median would be a better measure of the center. The distribution of the female's data is normal and the mean would be a better measure of the center.
  4. A reason for the outlier is that the number of dogs needing care increased.

<h3>What is the interquartile range?</h3>

The interquartile range for the males data is the difference between the third quartile and the first quartile.

IQR = third quartile - first quartile

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Median = 20 - 6 = 14

An outlier is a number that is way smaller or way larger than that of other numbers in a data set.

To learn more about outliers, please check: brainly.com/question/27197311

#SPJ1

7 0
2 years ago
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