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loris [4]
3 years ago
13

How can you use subtraction complete an addition pattern?

Mathematics
2 answers:
lord [1]3 years ago
6 0
Subtracting a negative number is the same as adding

5-(-5) = 10
5+5 = 10
tekilochka [14]3 years ago
3 0
For example, 1-1=0. If you use subtraction, you can think of it as 1+(-1)
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You're given a fraction in simplest form the numerator is not a zero when you write the fraction as a decimal it is a repeating
oksano4ka [1.4K]
The denominator can be 3 if the numerator is 1
3 0
3 years ago
The following stem-and-leaf plot represents the test scores for
rewona [7]

Considering the given stem-and-leaf plot, the quartiles are given as follows:

  • The first quartile is of 67.5.
  • The second quartile, which is the median, is of 84.5.
  • The third quartile is of 91.5.

<h3>What are the median and the quartiles of a data-set?</h3>

  • The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile.
  • The first quartile is the median of the first half of the data-set.
  • The third quartile is the median of the second half of the data-set.

There is an even number of elements(26), hence the median is the mean of the 13th and 14th elements, which are 83 and 86, hence:

Me = (83 + 86)/2 = 84.5.

The first half has 12 elements, hence the first quartile is the mean of the 6th and 7th elements, which are 67 and 68, hence:

Q1 = (67 + 68)/2 = 67.5.

The third half also has 12 elements, starting at the second 86, hence the third quartile is the mean of the 6th and 7th elements of this half, hence:

Q3 = (91 + 92)/2 = 91.5.

More can be learned about the quartiles of a data-set at brainly.com/question/28017610

#SPJ1

7 0
1 year ago
I NEED HELP ASAP PLEASE!!!
Artemon [7]

Answer:

-3x+1y=-1

or

3x-1y=1

or

by multiplying with 1/3 the first equation we get

-1x+1/3y=-1/3

or from second equation

1x-1/3y=1/3

Step-by-step explanation:

y-y1=m(x-x1)

y1=-7

x1=-2

m=3

so

y-(-7)=3(x-(-2))

y+7=3(x+2)

y+7=3x+6

-3x+y=6-7

-3x+ 1y= -1

8 0
2 years ago
Write a system of equation.
Alecsey [184]

Luis spent $9.50, in which:

Candy (y) = $1.25

Chips (x) = $0.50

$9.50 = 1.25y + 0.50x

Luis bought 10 snacks in all

10 = x + y

-----------------------------------------------------------------------------------------------------------------

You're answer:

x + y = 10

1.25y + 0.50x = 9.50

-------------------------------------------------------------------------------------------------------------------

hope this helps

7 0
3 years ago
What is the akis of symmetry <br> y=2x^2-8x+1
nika2105 [10]

Answer:

2

Step-by-step explanation:

5 0
3 years ago
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