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blsea [12.9K]
2 years ago
7

If m = 1/2, n= 1/4 , then m²+ n²

Mathematics
1 answer:
Masteriza [31]2 years ago
3 0
In fraction 5/16

In decimal 0.3125
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An urn contains 5 red, 6 blue, and 8 green balls. If a set of 3 balls is randomly selected, what is the probability that each of
monitta

Answer:

As a fraction, the answer is exactly 86/969

In decimal form, the answer is approximately 0.08875

=====================================================

Work Shown:

The assumption is that no replacements are made for each selection.

5 red, 6 blue, 8 green

5+6+8 = 19 total

A = P(3 red) = (5/19)*(4/18)*(3/17) = 10/969

B = P(3 blue) = (6/19)*(5/18)*(4/17) = 20/969

C = P(3 green) = (8/19)*(7/18)*(6/17) = 56/969

D = P(3 all same color)

D = A+B+C

D = 10/969 + 20/969 + 56/969

D = (10+20+56)/969

D = 86/969

D = 0.08875

6 0
3 years ago
Dion spent m minutes on his math homework, g minutes on his german homework and 30 minutes on his biology homework. In total he
Blizzard [7]

m + g + 30 = t

If m = 40 and t = 95,

g = t - m - 30 = 95 - 40 - 30 = 25.

8 0
3 years ago
Ninety-eight and seventy-three hundredths which place are tens , ones , tenths , hundredths?
Naily [24]
8 is the hundreds, 7 in the tens, and 3 in the ones
4 0
3 years ago
Read 2 more answers
The set of life spans of an appliance is normally distributed with a mean
HACTEHA [7]

Answer:

24 months

Step-by-step explanation:

Lifespan with z-score of -3 in the the set of normally distributed life spans of an appliance can be calculated using the equation:

z=\frac{X-M}{s} where

  • X  is the lifespan we are looking for
  • M is the mean life span of the appliance (48 months)
  • s is the standard deviation of the distribution of the life spans (8 months)

We have -3=\frac{X-48}{8}  that is

-24=X-48 and

X=24 months.

The life span of an appliance that has a z-score of -3 is 24 months.

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3 years ago
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Hello please help i’ll give brainliest
tigry1 [53]
Nomads …………………………………….
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2 years ago
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