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Makovka662 [10]
3 years ago
14

15 in

Mathematics
2 answers:
Anastasy [175]3 years ago
3 0
it’s cool and chocky milk taste good
erastova [34]3 years ago
3 0
The answer is A
Explanation
Because a is a
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3x + 3y =15 and x = -3y -1
saul85 [17]

Answer:

  (x, y) = (8, -3)

Step-by-step explanation:

You can substitute for x in the first equation:

  3(-3y -1) +3y = 15

  -6y = 18 . . . . . add 3 and simplify

  y = -3 . . . . . . . divide by -6

  x = -3(-3) -1 = 8 . . . . find x using the second equation

The solution to this system of equations is (x, y) = (8, -3).

4 0
2 years ago
IM just a little bit slow
viva [34]

Answer:

71°

Step-by-step explanation:

31-3x+19x-5=90

16x=90-26

16x=64

x=4

m<R=19x-5 = 19(4)-5 = 76-5 = 71

5 0
3 years ago
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Given the equation F=9/5C +32 where C is the temperature in degrees Celsius and F is the corresponding temperature in degrees Fa
pentagon [3]

Answer:

b

Step-by-step explanation:

7 0
2 years ago
State whether the given measurements determine zero, one, or two triangles.
Lady bird [3.3K]
I bet you're doing the Law of Sines right now. If you use the law of sines you find out that angle A is a 90 degree angle. There is only one triangle you can make with these measurements because if you have one angle of 30 and another of 90, the 3rd angle has to be a 60 degree angle. So it is a special right triangle, 30-60-90
8 0
3 years ago
Please help I need help
navik [9.2K]

Answer:

L=10pi, or 31.42

Step-by-step explanation:

4 0
2 years ago
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