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jarptica [38.1K]
3 years ago
15

janica has 40 red chips 10 blue chips and 24 white chips what is the probability that janica randomly selected a red chip or a w

hite chip
Mathematics
1 answer:
Paraphin [41]3 years ago
4 0
In total there are 74 chips and there are 64 red and white chips
so there is an 86% chance of randomly selecting a red chip or a white chip.
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On a​ map, 1 inch equals 15 miles. Two cities are 2 inches apart on the map. What is the actual distance between the​ cities?
BabaBlast [244]
Since the scale is 15 miles per inch all you need to do is multiply.
2in(15)=30
The cities are 30 miles apart.
4 0
3 years ago
NO SCAM PLEASEEEE
damaskus [11]
The answer is 11/36

2/12 chance of rolling fours

because there are 2 sides containing a four on both dice combined and 12 sides in total.

Doubles mean you have to roll the same number simultaneously so let’s say we want to calculate the probability for double ones: then it’s 1/6 on the first dice for a one, and 1/6 on the second dice to land on a one as well.

I personally like to imagine a box like this:
_ _ _ _ _ _
|
|
|
|
|
|

If you have one dice then it’s just a random segment on one of the lines. If you want the specific result from two dice then you want two specific segments which is also the 1 specific tile out of 36 (6 width times 6 height). So you multiply.

1/6 * 1/6 = 1/36 chance to roll double of ones

And 1/36 chance to roll double twos, threes, fours, fives, and sixes. But we don’t count the double fours because any four will do. So:

1/36 * 5 = 5/36

So for the probability of either doubles or containing a four is the probability of doubles of either number plus the probability of either dice being a four:

5/36 + 2/12 =

5/36 + 6/36 =

11/36
5 0
2 years ago
#21, what is this answer ?
Rzqust [24]

Answer:

uh C

Step-by-step explanation:

5 0
2 years ago
A small explanation would be really appreciated​
shutvik [7]

Step-by-step explanation:

the 2 angles marked with orange and green are equal becos the question said that the indicated angles are congruent meaning same deg. so 180 - that given angle = the 2 marked angles (based on the rule known as angles on a str line are supplementary)

since the 2 marked angles are same, you can say that d and k are parallel due to the rule of alternate angles

Topic: angle properties

If you like to venture further, feel free to check out my insta (learntionary). It would be best if you could give it a follow. I'll be constantly posting math tips and notes! Thanks!

7 0
3 years ago
What is -9x+6y=18 in slope intercept form?
Scrat [10]
The answer to this question would be
y
=
1
6
x
+
3
8 0
3 years ago
Read 2 more answers
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