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vova2212 [387]
3 years ago
9

What does it mean that a sample is representative of the population?

Mathematics
1 answer:
wolverine [178]3 years ago
4 0
A representative sample is a subset of a population that seeks to accurately reflect the characteristics of the larger group.
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Line segment KL is tangent to circle J at point K.
Shalnov [3]

we know that

if the line segment KL is tangent to circle J at point K

then

KL is perpendicular to KJ

the triangle KJL is a right triangle

Applying the Pythagorean Theorem

LJ^{2} =KL^{2}+KJ^{2}

we have

KL=24\ units\\KJ=r\ units\\JL=(16+r)\ units

substitute the values

(16+r)^{2} =24^{2}+r^{2}\\256+32r+ r^{2}=576+ r^{2} \\32r=576-256 \\r= 320/32\\r=10\ units

therefore

<u>the answer is the option B</u>

10\ units

3 0
3 years ago
Read 2 more answers
Maya had $27. She spent all the money on buying 3 burgers for $x each and 2 sandwiches for $y each. If Maya would have bought 2
defon

Answer:

Option C

The student's conclusion is correct because the solution to the system of equations 3x+2y=27  and 2x+y=16 is (5,6)

Step-by-step explanation:

Let

x------> the cost of each burger

y-----> the cost of each sandwich

we know that

3x+2y=27 -----> equation A

2x+y=(27-11)

2x+y=16 ----> equation B

Solve the system of equations

Multiply the equation B by -2

-2(2x+y)=-2*16 ----->-4x-2y=-32 ------> equation C

Adds equation A and equation C

3x+2y=27 \\-4x-2y=-32\\ ----------\\ 3x-4x=27-32\\ -x=-5\\x=5

Substitute the value of x in the equation B

2(5)+y=16

10+y=16

y=6

The solution of the system of equations is the point (5,6)

so

The price of each burger is \$5

The price of each sandwich is \$6

6 0
3 years ago
Read 2 more answers
Can someone pls help meee!!
Elena L [17]

Answer:

Hello! answer: 40

We know 1 angle is 50 degrees so that means the angle across will also be 50 degrees so that means 2 will be 40 degrees cause that is a complimentary angle and complimentary angles add up to 90 Hope this explains well!

7 0
3 years ago
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PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B
Marta_Voda [28]

Answer:

x=2

y=-3

Step-by-step explanation:

5 0
3 years ago
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What is the median of Variable A? Express answer to one decimal place.
qwelly [4]
The median of variable A is the middle value when the all the values for variable A is arranged from smallest to greatest.
The values for variable A are
1, 2, 4, 4, 5, 6, 7, 9
The middle value is between 4 and 5. The median is between 4 and 5.
(4 + 5) /2 = 4.5

The median is 4.5
3 0
3 years ago
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