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weeeeeb [17]
3 years ago
7

What 9x9=. Ggghuujnnjjkmmmkkkmnnhu

Mathematics
2 answers:
svlad2 [7]3 years ago
5 0
The answer to 9x9 is 81
Alexxandr [17]3 years ago
4 0
9 x 9 is 81 hehehhehe
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1. The US Mint has a specification that pennies have a mean weight of 2.5g. From a sample of 37 pennies, the mean weight is foun
Evgesh-ka [11]

Answer:

the pennies does not conform to the US mints specification

Step-by-step explanation:

z = (variate -mean)/ standard deviation

z= 2.5 - 2.4991 / 0.01648 = 0.0546

we are going to check the value of z in the normal distribution table, which is the table bounded by z.

checking for z= 0.0 under 55 gives 0.0219 (value gotten from the table of normal distribution)

we subtract the value of z from 0.5 (1- (0.5+0.0219)) = 0.4781 > 0.05claim

since 0.4781 > 0.05claim, therefore, the pennies does not conform to the US mints specification

the claim state a 5% significance level whereas the calculated significance level is 47.81%. therefore, the claim should be rejected

7 0
3 years ago
The slope of the line below is -3. Which of the following is the point-slope
Anna [14]

Given:

The slope of the line is -3.

The line passes through the point (2,-2).

To find:

The point-slope form of the line.

Solution:

Point slope form: If a line passes through the point (x_1,y_1) with slope m, then the point-slope form of the line is:

y-y_1=m(x-x_1)

The slope of the line is -3 and it passes through the point (2,-2). So, the point-slope form of the line is:

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

y+2=-3(x-2)

Therefore, the required point slope form of the given line is y+2=-3(x-2).

5 0
3 years ago
Compare 5/8 1/3<br> (A) =<br> (B)&gt;<br> (C)&lt; <br> (D)none of the above
Sav [38]

Answer:

5/8 > 1/3

so the answer is B >

Step-by-step explanation:

hope this helps

6 0
3 years ago
In 2007 the population of the town of Cartersville was 24,455. The population growth can be represented by the formula P = 24,45
Triss [41]
P = 24455 (1.03)x
30,000/24455 (1.03) < x
The year must be > 1.19 + 2007, or 2008.19, which means in 2009, or in 2008 + 3 months
3 0
3 years ago
One morning, Mr. Chaplin, the Vice Principal took his own temperature in Centigrade as 35 and told Mrs. Jenkins that this is the
nika2105 [10]

Answer:

Yep

Step-by-step explanation:

8 0
3 years ago
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