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Kay [80]
2 years ago
12

Please help me

Mathematics
1 answer:
larisa [96]2 years ago
6 0

Answer: C

Step-by-step explanation:

They are substituting PQ=25 from steps 1 and 3.

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Any help would be appreciated! :)
ikadub [295]

Answer:

-7, then -13, then -19

Step-by-step explanation:

Plug in x values to get y.

y = -2(0) - 7

y = 0 - 7

y = -7

y = -2(3) - 7

y = -6 - 7

y = -13

y = -2(6) - 7

y = -12 - 7

y = -19

Hope this helps. :0)

7 0
2 years ago
Read 2 more answers
On the way home from school, Ross wears his 20-pound backpack and carries his 7-ounce lunchbox. How many ounces does he carry in
Angelina_Jolie [31]

Answer:327

Step-by-step explanation:

20 pounds is 320 ounces and the lunch box plus that is 327 ounces

8 0
3 years ago
Help please! Do not answer if you are not going to help me
kirza4 [7]

9514 1404 393

Answer:

  12. (x, D, E, F) = (8, 38°, 75°, 67°)

  13. (x, P, Q, R) = (13, 126°, 30°, 24°)

Step-by-step explanation:

The sum of angles in a triangle is 180°. We choose to write the equations assuming all measures are degrees.

12. (5x -2) +(9x +3) +(11x -21) = 180

  25x = 200 . . . . . . . add 20, simplify

  x = 8 . . . . . . . . . divide by 25

Then the angle measures are ...

  ∠D = 5(8) -2 = 38°

  ∠E = 9(8) +3 = 75°

  ∠F = 11(8) -21 = 67°

__

13. (10x -4) +(4x -22) +(x +11) = 180

  15x = 195 . . . . . . . . . . add 15, simplify

  x = 13 . . . . . . . . . divide by 15

Then the angle measures are ...

  ∠P = 10(13) -4 = 126°

  ∠Q = 4(13) -22 = 30°

  ∠R = 13 +11 = 24°

4 0
3 years ago
3
snow_tiger [21]

Answer:

12 combinations

Step-by-step explanation:

7 0
3 years ago
Nanci needs at least $140 for her vacation this summer. She already has $25 and she is selling homemade bracelets for $3.00 each
Charra [1.4K]

Please look at the screenshot below, for some reason Brainly won't let me post my answer.

What I mean about "not fully written" is its impartial. It didn't ask us something like "find how many bracelets she needs to sell"

6 0
2 years ago
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