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Goryan [66]
3 years ago
8

What kind of property is this −2.2+(−3.7+(−1.4))=(−2.2+(−3.7))+(−1.4) A. associative property B. communicative property C. oppos

ite of a sum property
Mathematics
2 answers:
Svetach [21]3 years ago
6 0
Answer:
C. opposite of a sum property
MissTica3 years ago
5 0
The associative property states : a + (b + c) = (a + b) + c....and this is what ur problem is.
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Please help with this question
belka [17]

Answer:

18.4%

Step-by-step explanation:

The formula for rel. freq. is:

Relative Frequency = Class Frequency/n

Where

Class Frequency will be the number of students in the class we are interested in (in 35-38, the number of students is 9)

n is the total number of students [which is 6+7+8+9+10+9= 49]

Putting into formula we get:

Relative Frequency = 9/49 = 0.1837

To get percentage, we need to multiply by 100:

0.1837 * 100 = 18.37%

Rounded to 1 decimal place, that is  18.4%

5 0
3 years ago
Pls Guy, I Need The Answer To This Question For A Good Grade In My Class :,(
kozerog [31]
From top to bottom
31
13
-41
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3 0
2 years ago
Test the claim that the proportion of people who own cats is significantly different than 90% at the 0.1 significance level.
miss Akunina [59]

Answer:

The right answer is Option B:

H_0: \pi=0.9\\\\H_1: \pi\neq0.9

Step-by-step explanation:

In this case we have to perform a hypothesis test on the proportion of the people owning cats.

The claim is that the proportion is significantly different than 905, what means it can be greater or smaller than 90% to reject the null hypothesis. Because of that, the null hypothesis has to state an equality (H0:p=0.9).

The right answer is Option B:

H_0: \pi=0.9\\\\H_1: \pi\neq0.9

4 0
2 years ago
PLS HELP ME ASAP FOR 6 and 7 (SHOW WORK!!) + kinda LOTS OF POINTS
saw5 [17]
The answer for number 6 will be C, and the answer for number 7 will be D. Hope it help!
4 0
2 years ago
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Need help trying to find the missing side lengths
eduard
You have to multiply
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2 years ago
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