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3 years ago

If 3.N=1,then N is the

2 answers:

6 0

3 * N = 1

The multiplicative inverse is just the reciprocal of the number. The reciprocal is just " flipping " the number. So the reciprocal of 3 (or 3/1) is 1/3. And any time u multiply a number by its multiplicative inverse (reciprocal), the result is 1

3 * 1/3 = 3/3 = 1.....so N is ur multiplicative inverse

rosijanka [135]3 years ago

4 0

N is you multiplicative inverse I think.... That should help...

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Geometry B question!

PIT_PIT [208]

<u>Given the 45-90-45 triangle property:</u>
Hyopentuse = 9√2, therefore:
Base = 9 + 9 = 18 m
Height = 9 m

Area of the top triangle = 1/2 (9) (18) = 81 m²
Area of the bottom triangle = 1/2(6)(18) = 54 m²
Tota area = 81 + 54 = 135 m²

Answer: 135 m²

6 0

3 years ago

Alex wants to test the reliability of “lie detector tests,” or polygraph tests. He performs a polygraph test on a random sample

VladimirAG [237]

The correct statement is test is reliable and authentic as the probability of no false positives is more than 0.5

Given that

$H_o:P= 0.50\\\\H_1:P>0.50$

Now following calculations to be done to reach out the conclusion

There is no false positive as

= 100 - 5.5

= 94.5%

$\hat P =0.945, n = 12$

Now

$z = \frac{\hat P - P}{\sqrt\frac{P(1-P)}{n} }\\\\=\frac{0.945-0.5}{\sqrt\frac{0.5\times0.5}{12} } \\\\= 3.08$

P value = P(z >3.08) = 0.0010

Therefore we can conclude that test is reliable and authentic as the probability of no false positives is more than 0.5

Learn more about the polygraph test here:

brainly.com/question/3790493

4 0

3 years ago

Find the slope of the line represented by the table of values

Leya [2.2K]

Answer:

-5/3

Step-by-step explanation:

To solve for slope we use the slope formula which is y2-y1/x2-x1.

For this problem I chose the points: (-5,10) and (-2,5)

-5 is x1, 10 is y1, -2 is x2 and 5 is y2

We now plug in the points into the slope formula:

5-10/-2-(-5)= -5/3

3 0

3 years ago

Read 2 more answers

This year Tammy watched 80 movies she thought that 72 of them were very good of the movie she watched what percentage does she t

dimaraw [331]

Answer:

its 20% i think hope this helped

Step-by-step explanation:

4 0

3 years ago

How to slove step by step

wariber [46]

$\frac{x+3}{12}$ = $\frac{2}{7}$

Multiply both sides by 12, so that we get rid of the fraction in x.

12 · (x+3)/12 = 2/7 · 12

Simplify.

x + 3 = 24/7

Then, subtract 3 from both sides, so that "x" gets isolated.

x = 24/7 - 3

Turn "3" into an improper fraction so that we could find the value of x easier.

3 = 21/3

So :

x = 24/7 - 21/7

Simplify.

x = 3/7

~Hope this helps!~

7 0

3 years ago