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Darya [45]
3 years ago
15

Is a simple random sample is valid true or never true or always or sometimes

Mathematics
1 answer:
hodyreva [135]3 years ago
3 0
Sometimes because it might not always be true
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If x= 35. what is the value of Y?<br> 0 35
Grace [21]

Answer:

55

Step-by-step explanation:

In a triangle all the angles = 180 degrees

That means: x + y + 90 = 180

x + y = 180 - 90 = 90

35 + y = 90

y = 90 - 35

y = 55 degrees

6 0
3 years ago
In a certain card​ game, the probability that a player is dealt a particular hand is 0.37. Explain what this probability means.
Natali5045456 [20]

Answer:

0.37 means that there is a 0.37 chance out of 1 or 37% chance that the player will be dealt a particular hand.

Step-by-step explanation:

Yes

if you play this card game 100 times, then you will be dealt this hand 100 * 0.37 = 37 times.

3 0
3 years ago
For the school play, tickets cost $9.50 for adults and $3 for kids under 12. What would be the total cost for 8 adult tickets an
saul85 [17]

Answer:

  • $139
  • 9.5aa +3kk

Step-by-step explanation:

<h3>a)</h3>

8 adult tickets cost 8($9.50) = $76

21 kids tickets cost 21($3) = $63

The total cost of these tickets is $76 +63 = $139.

__

<h3>b)</h3>

aa adult tickets cost 9.50aa

kk kids tickets cost 3.00kk

The total cost of these tickets is 9.50aa +3.00kk.

_____

<em>Additional comment</em>

We ordinarily expect a variable to be a single letter. This problem statement defines each variable using a double letter, so that is what we have used. (Sometimes Brainly doubles up variable content in copied text, so we suspect that may have happened here.)

4 0
3 years ago
Determine the radius of a circle if a 24-inch chord is 9 inches from the center.
bixtya [17]
Hi! :)

The radius of a circle is the length from the perimeter of the circle to the center of the circle. 

If  24 inches is still 9 inches from the center, you just have to add 24 and 9 to get the radius. 

24+9= 33

Your final answer should be that the radius is 33 inches.

Hope this helps!
3 0
3 years ago
A submarine travels 168 miles in 7 hours. At this rate, how many miles will the submarine travel in 2 1/2
Damm [24]

Answer:

Step-by-step explanation:

(168 mi)/(7 hr) = (24 mi)/hr

(2.5 hr) × (24 mi)/hr = 60 mi

3 0
2 years ago
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