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Irina-Kira [14]
3 years ago
5

There are 9 red gum balls, 5 green gum balls, 8 yellow gum balls, and 8 blue gum balls in a machine. find p(green, then yellow).

Mathematics
1 answer:
creativ13 [48]3 years ago
5 0
The correct answer is choice D.  To find this you will find the probability of each event happening and then multiply them together.

Green: 5/30
Yellow: 8/29 (you subtract one from the denominator because you already picked a green the first time)

5/30 x 8/29 = 40/870
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7=14x-42y solve equation for y
dedylja [7]
7 = 14x - 42y
42y = 14x - 7
y = (14x - 7)/ 42

or we could write it as  y = (1/3)x - 1/6


3 0
3 years ago
Read 2 more answers
Pls can someone answer how to round 5pi to the nearest 10th I’ll give you brain points or whatever
mojhsa [17]

Answer:

Step-by-step explanation:

5\pi=15.70...

To round a number to the nearest tenth , look at the next place value to the right (the hundredths)which is 0 in this question.

Thus, it will become 15.7

4 0
3 years ago
Please answer the following
natulia [17]

Answer:

cot∅ = (-2√30)/7.

Step-by-step explanation:

Given the value of csc∅ = -13/7 and ∅ is in quad III.

We know y = r sin∅ and r > 0. So csc∅ = r/y = -13/7 = 13/(-7).

It means y = -7, r = 13.

We know x² + y² = r².

x² = r² - y²

x² = (13)² - (-7)² = 169 - 49 = 120.

x = √120 = 2√30.

we know cot∅ = x/y = (2√30)/(-7) = (-2√30)/7.

Hence, cot∅ = (-2√30)/7.

4 0
3 years ago
the cost of jeans is $55.56. choose the value that produces a mark down A.)$54.32. B.)$75.40 C) $57.49 D)$55.70​
Alona [7]
I would say A.$54.32 because it is the only option that is less than 55.56
7 0
3 years ago
A hyena can run 1/4 of a mile in 22.5 seconds. At this rate, which equation can be used to determine how fast a hyena runs in mi
morpeh [17]
40 miles an hour
60 [minutes] * 60 [seconds]= 3600
22.5[seconds for 1/4 of a mile]* 4[ one mile]= 90 [seconds per mile]
3600/90=40 [miles an hour]
4 0
3 years ago
Read 2 more answers
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