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Ivenika [448]
3 years ago
9

Find the modulo class to which the number belongs for the given modulo system. 69, mod 15

Mathematics
1 answer:
Anna007 [38]3 years ago
3 0
The best and most correct answer among the choices provided by your question is letter C. 9.

<span>4*15+9 </span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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What percentage of total hours spent walking​
spin [16.1K]

Answer:

20%

Step-by-step explanation:

20% of 50 is 10, and they spent 10 hours walking.

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3 years ago
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What is the word form for this mixed number?<br> 11 3/8
Zanzabum

Answer:

Just getting my points back don’t mind me

Step-by-step explanation:

6 0
3 years ago
She needs to know the length of each side so she can buy fencing. What is the length of line segment FJ
UkoKoshka [18]

Using the Pythagorean theorem, the length of line segment FJ is: 42 ft.

<h3>How to Apply the Pythagorean Theorem?</h3>

To find the length of line segment FJ, we need to apply the Pythagorean theorem to find the length of the segment from F to the point, say point O, on FJ where a right triangle FOG will be gotten.

Thus, we have:

FO = √(GF² - GO²)

FO = √(30² - 24²)

FO = 18 ft.

FJ = FO + GH

Plug in the values

FJ = 18 + 24

FJ = 42 ft.

Learn more about the Pythagorean theorem on:

brainly.com/question/654982

#SPJ1

4 0
2 years ago
Find an equation for the plane that contains the line v = (−1, 1, 2) + t(7, 6, 2) and is perpendicular to the plane 8x + 5y − 7z
Nadusha1986 [10]
The required plane &Pi; contains the line 
L: (-1,1,2)+t(7,6,2)
means that &Pi; is perpendicular to the direction vector of the line L, namely
vl=<7,6,2>

It is also required that &Pi; be perpendicular to the plane
&Pi; 1 : 5y-7z+8=0
means that &Pi; is also perpendicular to the normal vector of the given plane, vp=<0,5,-7>.

Thus the normal vector of the required plane, &Pi; can be obtained by the cross product of vl and vp, or vl x vp:
 i  j  k
7 6  2
0 5 -7
=<-42-10, 0+49, 35-0>
=<-52, 49, 35> 
which is the normal vector of &Pi;

Since &Pi; has to contain the line, it must pass through the point (-1,1,2), so the equation of the plane is
&Pi; :  -52(x-(-1))+49(y-1)+35(z-2)=0
=>
&Pi; :  -52x+49y+35z = 171

Check that normal vector of plane is orthogonal to line direction vector
<-52,49,35>.<7,6,2>
=-364+294+70
=0   ok
6 0
4 years ago
Assume that two samples are independent simple random samples selected from normally distributed​ populations, and do not assume
vitfil [10]

Answer:

Since we assume that we don't know the population deviations we need to use a t test to check the hypothesis, and the best answer is:

B.t

Step-by-step explanation:

Notation

\bar X_{1} represent the mean for male king penguins

\bar X_{2} represent the mean for the female king penguins

s_{1} represent the sample standard deviation for the sample male

s_{2} represent the sample standard deviation for the sample female

n_{1} sample size for the male penguins

n_{2} sample size for the female penguins

t would represent the statistic

Hypothesis

We need to conduct a hypothesis in order to check if the male king penguins weigh more than female king penguins, the system of hypothesis would be:

Null hypothesis:\mu_{1}=\mu_{2}

Alternative hypothesis:\mu_{1} > \mu_{2}

Since we assume that we don't know the population deviations we need to use a t test to check the hypothesis, and the best answer is:

B.t

8 0
3 years ago
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