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jek_recluse [69]
3 years ago
13

{25 POINTS]

Mathematics
1 answer:
klemol [59]3 years ago
7 0
The point (3, -4) is on the terminal side of the Ø implies that the hypotenuse has a length of 5, by the pythagorean theorem.
Now recall cos<span>Ø = x / r where r is the hypotenuse.
So </span>cosØ = 3 / 5.
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Brian usually brushes his teeth in the morning, but 10% of the time he forgets. What is the probability that he will forget to b
Katena32 [7]

Using it's concept, it is found that there is a 0.001 = 0.1% probability that he will forget to brush his teeth three days in a row.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem, for each day, there is a 0.1 probability that he forgers to brush his teeth, and days are independent, hence for 3 consecutive days the probability is given by:

p = (0.1)³ = 0.001.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

5 0
2 years ago
one of the comers of a cube is sliced off the resulting cross section will have a minimum of ? Sides ?
Molodets [167]

a corner of a cube connects 3 sides to each other,

 then add the side of the cut

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8 0
3 years ago
What is the slope of the line shown in the graph?<br> A 3/2<br> B) 2/3<br> C) -3/4<br> D) -2/3
garik1379 [7]

Answer:

D.

Step-by-step explanation:

y-intercept is (0, 3)

x-intercept is (4.5, 0)

formula to find the slope from two points is

slope = m =  \frac{y2 - y1}{x2 - x1}  =  \frac{y1 - y2}{x1 - x2}  \\

then the slope of the line that crosses (0, 3) & (4.5, 0) is

m =  \frac{3 - 0}{0 - 4.5}  =  \frac{3}{ - 4.5}  =  -  \frac{3}{ \frac{9}{2} }  =  -  \frac{2}{3}

6 0
3 years ago
Read 2 more answers
15 POINTS!!!!!!!!
Novay_Z [31]
X2=9 has only one solution, which is 4.5
4 0
3 years ago
Read 2 more answers
Find a 95% confidence interval for the difference in proportions, pt-po, two ways, using StatKey or other technology and percent
beks73 [17]
A bit confusing for me to be able to answer this for you… any way you can simplify your question?
4 0
3 years ago
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