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jarptica [38.1K]
1 year ago
13

Explain how you would use addition to find the product of -2 and 5

Mathematics
1 answer:
Ipatiy [6.2K]1 year ago
4 0
-2+5=3
And is a word used for addition. For example 20 and 6 is 26.
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A pink paint mixture uses 4 cups of white paint for every 3 cups of red paint.
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data set A is {30, 45, 32, 50, 33, 40, 44, 32}. Data set B is {28, 43, 30, 48, 35, 42, 46, 34}. which statement best compares th
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Answer:

the mean in set B is equal to the mean in set A (option C)

Question:

The question is incomplete as the answer choices were not given.Let's consider the following question:

Data set A is {30, 45, 32, 50, 33, 40, 44, 32}. Data set B is {28, 43, 30, 48, 35, 42, 46, 34}. which statement best compares the two data sets?

a) median for set A is equal to the median for set B

b) Range for set A is greater than range for set B 

c) The mean in set B is equal to the mean in set A

Step by step explanation:

We can describe a data set using four ways:

Center, spread, shape and unusual features.

Let's consider the center and spread.

Center: This is the median of the distribution.

Spread: This is the variation of the data set. If the range is wide, the spread is larger and If the range is small, the spread is smaller.

Rearranging the data set:

A = {30, 32, 32, 33, 40, 44, 45, 50}

B = {28, 30, 34, 35, 42, 43, 46, 48}

From the data:

The median for set A = (33+40)/2 = 73/2= 36.5

The median for set B = (35+42)/2 = 77/2= 38.5

Range = highest value - lowest value

The data ranges from 30 to 50 (range = 20) for A 

The data ranges from  28 to 48 (range = 20) for B

Mean for set A = (30+32+32+33+40+4445+50)/8 = 306/8 = 38.25

Mean for set B = (28+30+34+35+42+43+46+48)/8= 306/8 = 38.25

In both data set the mean is equal to 38.25.

Therefore the statement that best compares the two data sets is the mean in set B is equal to the mean in set A (C)

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3 years ago
Mike went to the store to buy some shirts. The price of the
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Answer:

hoooooooo

Step-by-step explanation:

no answer po sorry hindi ko po ito alam kong ano ang answer

3 0
2 years ago
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Just number 4 please hurry and help meeee
Hoochie [10]

Answer:

C D H

Step-by-step explanation:

The best way to tackle this problem is to put each answer into the equation and evaluate the equation.

for example

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3.9 + 6 >= 10

9.9 >= 10 .this is not true!

be very careful with the signs and evaluate each answer.

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