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gregori [183]
3 years ago
12

To pass a course with a C grade, a student must have an average of 70 or greater. A student's grades on three tests are 69, 77 a

nd 65 Find what score the student must get on the next test to get a C average or better
What grade must the student get?
Mathematics
2 answers:
Ivan3 years ago
6 0

Answer:

x=69

so he must have scored over 69

Step-by-step explanation:

Genrish500 [490]3 years ago
3 0

Answer:

Grade≥69(at least 69)

Step-by-step explanation:

(77+69+65+x)/4=70

x=69

so he must get 69 or more

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Need help with question 11 and 12
qaws [65]

Answer:

  11.  your choices are correct

  12.  132°

Step-by-step explanation:

11. The given equations can be (re)written to slope-intercept form. Only those lines with a slope of 2 will be parallel to the given line.

  A: y = 2x -8 . . . . . slope = 2, an answer

  B: y = -2x +1 . . . . . slope = -2, not an answer

  C: y = -2x +7 . . . . .slope = -2, not an answer

  D: y = 2x +2 . . . . . slope = 2, an answer

  E: y = -2x -9 . . . . . slope = -2, not an answer

__

12. The marked angles are supplementary, so ...

  (3x -6)° +(x +2)° = 180°

  4x -4 = 180 . . . . . . . . . . . divide by °, collect terms

  x -1 = 45 . . . . . . . divide by 4

  x = 46 . . . . . . . . . add 1

Now, we can find the angle of interest.

∠PQR = (3x -6)° = (3·46 -6)°

∠PQR = 132°

4 0
3 years ago
43214568•19876555<br><br> Please help me!!!!!!!!
Bess [88]

Answer:

8.5895674e+14

Step-by-step explanation:

Use a calculator.

3 0
3 years ago
Which word or phrase that best describes the probability??
Llana [10]
100% = Certain (no matter what.. it's going to happen)
75/100 = Likely (has a high chance of happening)
5/10 = Equally likely (can happen, or might not)
1/4 = Unlikely (might not happen)
0.0 = Impossible 

hope this helps
5 0
3 years ago
Four friends played minutes golf. Their scores were -3, -2, -1, and 2.
kramer
I had the same question just yesterday and the correct answer was 1.5 
-3 +-2 = -5 + -1 = -6 - 2 = -4

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6 0
3 years ago
What’s the slope of the line?
yulyashka [42]

Answer:

the slope is 1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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