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Ganezh [65]
3 years ago
12

QUESTION 8

Mathematics
1 answer:
vfiekz [6]3 years ago
7 0
54 percent

You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%
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Please help me! I’ll name you brainiest!!!
Kamila [148]

Answer:

80

Step-by-step explanation:

first, put in (5x-4) for the x in g(x).

g(f(x))=(5x-4)^2 -1

now, FOIL and simplify.

25x^2-40x+16-1

25x^2-40x+15

now, plug in -1 for x.

25(-1)^2-40(-1)+15

25+40+15

80

8 0
3 years ago
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If a salon charges rupees 99 for a haircut, how much money did the salon earn over the week?
Alexxandr [17]

Answer:

5940 rupees

Step-by-step explanation:

99 multiplied by 29×5 is 5940

4 0
3 years ago
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Which pair ordered x’y is a solution to given system of linear equations 3x+y=1 5x+y=3
ohaa [14]

Answer:

  (1, -2)

Step-by-step explanation:

Subtracting the first equation from the second gives ...

  (5x +y) -(3x +y) = (3) -(1)

  2x = 2 . . . . . collect terms

  x = 1 . . . . . . . divide by 2

Then substituting into the first equation, we have ...

  3·1 +y = 1

  y = -2 . . . . . . subtract 3

The solution is (x, y) = (1, -2).

7 0
3 years ago
How do you convert 2/30 into a percent ?
bixtya [17]
2/30 in percentage is 6,67%
you must divide first the fraction and multiply by 100
8 0
3 years ago
Read 2 more answers
80% of Vanessa's final grade is based on the average score of her quizzes, which is 73.
Misha Larkins [42]
80% of quizzes + 20% of final = final grade

80% * 73 + 20% * x = 70

0.8 * 73 + 0.2x = 70

58.4 + 0.2x = 70

0.2x = 11.6

x = 58
8 0
4 years ago
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