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Art [367]
3 years ago
6

Solve the system of equations.

Mathematics
1 answer:
REY [17]3 years ago
5 0

Answer:

D

Step-by-step explanation:     Time Stamp (6  9  10  32)

Easiest way is to graph both equation and look for the intersections  see attached sreen shot

or  solve by substitution

y = 2x

y = x²- 8

2x = x²- 8                  solve for x

0  = x² - 2x - 8          factor

0 = (x - 4)(x + 2)

0 = 0   when x = 4 and -2      

calculate the y values

y = 2x      x = 4

y = 8                              (4, 8)

y = 2x      x = -2

y = -4                            (-2, -4)

     

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What is the value of b
n200080 [17]

Angle = 68⁰ is an inscribed angles, this angle equal 68⁰,

so it intersect arc = 2*68⁰= 136⁰.

Arc of the whole circle (circumference) =360⁰,and it also =b+104+136.

b+104+136 =360

b=360-(104+136) = 120⁰

Answer A. b=120⁰.

7 0
4 years ago
The sum of 4 times a number and 9 is equal to 8. Use the variable b for the unknown number.
Alexxandr [17]
Answers
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8 0
2 years ago
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Mia is 6.99120 × 10^6 minutes old. Convert her age to more appropriate units using years, months, and days. Assume a year has 36
Ivan

Answer:13years 7months 17 days

Step-by-step explanation:

1hr--->60min

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convert hrs to days by dividing by 24

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8 0
3 years ago
The table shows the results of a survey of students in two math classes.
qwelly [4]

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P(more than 1 hour of TV | 6th period class) = number of 6th period class students who watch tv for more than an hour / total number of students surveyed

12 / (12 + 9 + 5 + 8)

12 / 34 = 0.352

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

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Here u are, This is my ans,

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3 years ago
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