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svetoff [14.1K]
2 years ago
10

NO LINKS PLEASE I NEED THEM TODAY NO LINKS!!!

Mathematics
1 answer:
bonufazy [111]2 years ago
3 0

Answer:

13. True, False, True

14. False, True, True

15. All true

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Here is a tree diagram showing the sample space for two independent events. How many outcomes are there for the second event?
kobusy [5.1K]

Answer:

probably 8 just remember

________________________________________________________

sick of crying  

tired of trying

yes i'm smiling

but inside i'm  

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Step-by-step explanation:

8 0
2 years ago
HELP ME PLEASEEEEE
AVprozaik [17]

Answer:  (x,y) = (-1, 1)

This means that x = -1 and y = 1

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

Explanation:

The first equation says that y is the same as 2x+3

That allows us to substitute y for 2x+3 in the second equation like so:

2x+5y = 3

2x+5( y ) = 3

2x + 5(2x+3) = 3 .... y replaced with 2x+3

2x+10x+15 = 3

12x+15 = 3

12x = 3-15

12x = -12

x = -12/12

x = -1

Then we'll substitute this into the first equation to find y

y = 2x+3

y = 2(-1) + 3 .... x replaced with -1

y = -2+3

y = 1

Together x = -1 and y = 1 pair up to form the ordered pair solution (x,y) = (-1,1)

If you were to graph y = 2x+3 and 2x+5y=3 on the same xy grid, then you should see that the two lines intersect at the location (-1,1). This is a visual way to determine the solution quickly through use of a graphing calculator.

3 0
2 years ago
Oil spill spreads 25 m² every 1/6 hour how much area does the oil spill cover after two hours
Delvig [45]
1/6 of an hour is 10 minutes because there are 60 minutes in an hour so 60/6=10
so it's 25m^2/10minutes
now just multiply 25 by 12 ( 12 lots of 10 minutes in 2 hours)
25*12=300
answer is 300m^2

hope this helped
6 0
2 years ago
Read 2 more answers
Determine the value of x, using the following transversal. The value of x is
madam [21]

Answer:

  • x = -10

Step-by-step explanation:

  • x + 75 + x + 125 = 180 as supplementary (same side interior angles)
  • 2x + 200 = 180
  • 2x = -20
  • x = -10
3 0
2 years ago
Read 2 more answers
-1/2+-5/6 thank you
aleksandrvk [35]

Answer:

-1 1/3 hope this helps

Step-by-step explanation:

8 0
3 years ago
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