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meriva
3 years ago
14

Janice wants to create a test containing 20 questions worth 50 points. If Janice creates questions worth either __two points or

four points, she can include __two-point questions and four-point questions.
NextReset
Mathematics
2 answers:
Helga [31]3 years ago
8 0
15 two points and 5 two points
dimaraw [331]3 years ago
6 0

It would be 15 two point questions and 5 four point questions.

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All of the rings of a ladder are parallel and the top rung is perpendicular to a side of the ladder. What conclusion can be reac
Ronch [10]

Perpendicular sides or lines meet at right angles. The conclusion that can be reached is that:

<em>1. all of the rings are perpendicular to that side.</em>

The statements in the question can be listed as:

  1. <em>Rings in the ladder are parallel</em>
  2. <em>Top ring is perpendicular to the side of the ladder</em>

<em />

From statements 1 and 2 above, we understand that;

<em>All other rings in the ladder are parallel to the side ring</em>

This means that the relationship between the top ring and the side of the ladder is the same as the relationship between other rings and the side of the ladder

i.e. the side rings are also perpendicular to the side of the ladder

Hence, the conclusion that can be reached is:

<em>1. all of the rings are perpendicular to that side.</em>

Read more about parallel and perpendicular sides at:

brainly.com/question/8607613

3 0
2 years ago
An urn contains nine red and one blue balls. A second urn contains one red and five blue balls. One ball is removed from each ur
il63 [147K]

Answer:

0.362

Step-by-step explanation:

When drawing randomly from the 1st and 2nd urn, 4 case scenarios may happen:

- Red ball is drawn from the 1st urn with a probability of 9/10, red ball is drawn from the 2st urn with a probability of 1/6. The probability of this case to happen is (9/10)*(1/6) = 9/60 = 3/20 or 0.15. The probability that a ball drawn randomly from the third urn is blue given this scenario is (1 blue + 5 blue)/(8 red + 1 blue + 5 blue) = 6/14 = 3/7.

- Red ball is drawn from the 1st urn with a probability of 9/10, blue ball is drawn from the 2nd urn with a probability of 5/6. The probability of this event to happen is (9/10)*(5/6) = 45/60 = 3/4 or 0.75. The probability that a ball drawn randomly from the third urn is blue given this scenario is (1 blue + 4 blue)/(8 red + 1 blue + 1 red + 4 blue) = 5/14

- Blue ball is drawn from the 1st urn with a probability of 1/10, blue ball is drawn from the 2nd urn with a probability of 5/6. The probability of this event to happen is (1/10)*(5/6) = 5/60 = 1/12. The probability that a ball drawn randomly from the third urn is blue given this scenario is (4 blue)/(9 red + 1 red + 4 blue) = 4/14 = 2/7

- Blue ball is drawn from the 1st urn with a probability of 1/10, red ball is drawn from the 2st urn with a probability of 1/6. The probability of this event to happen is (1/10)*(1/6) = 1/60. The probability that a ball drawn randomly from the third urn is blue given this scenario is (5 blue)/(9 red + 5 blue) = 5/14.

Overall, the total probability that a ball drawn randomly from the third urn is blue is the sum of product of each scenario to happen with their respective given probability

P = 0.15(3/7) + 0.75(5/14) + (1/12)*(2/7) + (1/60)*(5/14) = 0.362

8 0
2 years ago
Which table represents a function?
8090 [49]
Don’t click the link it’s a scam happened to me
5 0
3 years ago
Helppppp pleaseeseeee
DanielleElmas [232]

Answer:

Below

Step-by-step explanation:

Because it is $7 per day and x = the length of rental days, our equation will look something like this :

     y = 7x + 3

Hope this helps!

3 0
3 years ago
What is the solution to 11 = x – 4?
marishachu [46]
Well to find out X, you have to do the opposite to what it's asking to each side. So 11=x-4

+4 onto the 11 and + 4 on to the -4 which means you just have 15=X
6 0
3 years ago
Read 2 more answers
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