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Jobisdone [24]
3 years ago
12

Please help plssssssss

Mathematics
2 answers:
sergey [27]3 years ago
8 0

Answer:

.38

Step-by-step explanation:

Given that they have green eyes, we only look at the green row

Total is 3+5+5 = 13

Red hair is 5

P( red hair ) red / total = 5/13 =.384615385

irina [24]3 years ago
7 0

Answer:

<u>Condition</u><u> </u><u>relative</u><u> </u><u>frequency</u><u> </u><u>is</u><u> </u><u>0</u><u>.</u><u>3</u><u>8</u>

Step-by-step explanation:

P( red hair given that has green hair ):

{ \boxed{ \bf{P( \frac{red}{green}) }}}

From baye's theorem:

P( \frac{R}{G} ) =  \frac{P(RnG)}{P(G)}

{ \sf{ =  \frac{5}{(3 + 5 + 5)} }} \\  \\  = { \sf{ \frac{5}{13} }} \\  \\  = { \sf{0.384615…}}

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More, less or equal to: <br> Absolute 4 or Absolute 1
Sloan [31]

|4| > |1|

Absolute value of 4 is just 4, and the abosulute valvue of 1 is just 1.

So , since 4 is greater than 1 , that would be your answer.

4 > 1


7 0
3 years ago
(a) Use the scale to change 40 kilometres to miles.
Nimfa-mama [501]

Answer:

<h2>24.85 miles</h2><h2>40 Km is 24.85 miles</h2>

6 0
3 years ago
If there are 360 grams of radioactive material with a half-life of 8 hours, how much of the radioactive material will be left af
lyudmila [28]

Answer:

There will be 22.5 grams left after 32 hours.

Step-by-step explanation:

A half-life is how long it takes for half of the amount to go away. In this case, we see that we have two half-life periods worth, which you can determine by dividing the total time by the half-life time.

32hrs/8hrs = 4 half lives.

Now we can raise 1/2 to the power of how many half lives we have (2). Then we multiply that by the amount in the sample.

(1/2)^4 * 360

1/16 * 360

22.5 grams

And this is an exponential function.

4 0
2 years ago
Read 2 more answers
The Radius of a circle is 5 cm. Find the area of the circle, correct to one decimal place.
lorasvet [3.4K]

Answer:

78.5

Step-by-step explanation:

r^{2}x3.14 (pie)

so then substitute.

5x5=25

25x3.14=78.5

6 0
3 years ago
Which value can be added to the set below without changing its mean?
shusha [124]

Answer:

15..

Step-by-step explanation:

4, 10, 14, 18, 22, 22

Mean = (4 + 10 + 14 + 18 + 22 + 22)/6

= 90/6

= 15.

Number to be added, 'y'

For the mean to be the same

(90 + y) / 7 = 15

90 + y = 15 × 7

90 + y = 105

y = 105 - 90

= 15

7 0
3 years ago
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