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german
3 years ago
7

Please I need to answer three brainliest questions​

Mathematics
1 answer:
Vitek1552 [10]3 years ago
6 0

what question? where is the question???????????????????????????????????????????????????

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While working for Life magazine, Archie is assigned to the Galapagos Islands to photograph a rare, giant white turtle. The turtl
Sveta_85 [38]

Answer:

0.24

Step-by-step explanation:

From the information given:

Let's have a schematic view of a tree diagram

                                                   A

                 P(Santa Cruz)                        P(Isabella)

                  = 13/15                                    = 2/15

P(Success | Santa Cruz) = 0.09              P(Success | Isabella) = x

We are told that many have tried to locate the giant turtle, but 89% of them have failed.

This means the probability of success is:

P(success) = 1 - 0.89 = 0.11

We need to find   P(Success | Isabella),

Suppose   P(Success | Isabella) be x as shown above,

Then:

P (Success) = P(Santa) P((Success | Santa Cruz) +   P(Isabella) P(Success | Isabella)

0.11 = \dfrac{13}{15}(0.09)+ \dfrac{2}{15}(x)

0.11 - \dfrac{13}{15}(0.09)= \dfrac{2}{15}(x)

0.032= 0.133(x)

make x the subject of the formula:

x =  0.032/0.133

x = 0.24

6 0
3 years ago
In the diagram below of right triangle ACB, altitude CD is drawn to hypotenuse AB.
WITCHER [35]
I think the answer maybe will be 3)5 and the reason why Is because
8 0
2 years ago
It costs $6.45 to buy 5 songs on I-tunes. How much does it cost to buy 20 songs?
babunello [35]

Answer:$25.80

Step-by-step explanation:

6.45/5 = 1.29

1.29 x 20 =25.80

5 0
2 years ago
- 3(3s - 4) - 12 = - 3/6s + 1) - 4
s344n2d4d5 [400]

Answer:

s=-7/9

Step-by-step explanation:

-9s+12-12=-18s-3-4

-9s=-18s-7

9s=-7

s=-7/9

(if I understood the question correctly)

6 0
3 years ago
Find the value of y.<br> A-17<br> B-18.8<br> C-20<br> D-31.6
MAVERICK [17]

Answer:

c

Step-by-step explanation:

I am not sure

7 0
3 years ago
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