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4vir4ik [10]
3 years ago
13

Answer to 3x-y=2 -2x+4y=2

Mathematics
1 answer:
Andrews [41]3 years ago
3 0
Hahaahhaha..............
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How do you do this question??????
Temka [501]
 c is correct.
(Pe)²/(De)³=(Pj)²/(Dj)³ (Pe stands for period of Earth, De for Distance of Earth from Sun, 
Because Dj=5.2De
(Pe)²/(De)³=(Pj)²/(5.2De)³
Pj=√(5.2³)(Pe)²=(5.2³)(1)² ≈11.9 =(note: Pe=1 earth year)
5 0
3 years ago
Find the measure of each angle indicated.
LiRa [457]

Answer:

where are the angles...........

8 0
2 years ago
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
The key to solving a two-step equation is isolating the
olga55 [171]

Answer:

pretty sure its c

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Convert 3.35 hours into hours and minutes​
Afina-wow [57]

3.35 hours is 3 hours and 21 minutes.

3.35 hours is also equivalent to 201 minutes and 0 seconds or 12060 seconds.

Hope this helps!

Have a wonderful day!

4 0
3 years ago
Read 2 more answers
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