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EastWind [94]
3 years ago
15

Is 4.78778777... a rational or irrational​ number?

Mathematics
1 answer:
Basile [38]3 years ago
8 0

Answer:

irrational is the answer.

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If g(x)=70−3x, find -g(-x)
Vedmedyk [2.9K]

Answer:

- g(- x) = - 70 - 3x

Step-by-step explanation:

to evaluate g(- x) substitute x = - x into g(x)

g(- x) = 70 - 3(- x) = 70 + 3x, hence

- g(- x) = - (70 + 3x) = - 70 - 3x


6 0
3 years ago
A company orders 29 boxed lunches from a deli for $324.80. If each boxed lunch
UkoKoshka [18]

Answer:

Each boxed lunch costs $11.20

Step-by-step explanation:

29 boxed lunches = $324.80

divide by 29 on each one

1 boxed lunch = $11.20

3 0
2 years ago
In general, after a group makes a reservation at a restaurant, they do not show up 20% of the time. If a restaurant has 8 reserv
sashaice [31]

Answer:

P(more than 2 don't show up)=0.2031

Step-by-step explanation:

Multiplication rule for independent events:

If two events A and B are independent then the multiplication rule state that:

P(A and B)= P(A) x P(B)

Find the probability that more than two do not show up:

The probability that the reservations at the restaurant do not show up is 0.20 (=20%) and there were 8 reservations.

P(more than 2 don't show up)= 1- P(less than or equal to 2 don't show up)

= 1-( P(none show up) +P(one don't show up)+P(two don't show up)

=1- ((0.8⁸) +₈ C₁ (0.2¹)x(0.8⁷)  +₈ C₂ (0.2²)x(0.8⁶)

=1- (0.1678 +0.3355+0.2936)= 1-0.7969

P(more than 2 don't show up)=0.2031

5 0
3 years ago
What's the difference between perpendicular bisectors and altitudes
FromTheMoon [43]
Perpendicular bisectors help you find the centroid; altitudes help find the orthocenter. This is all in a triangle.
4 0
3 years ago
Find the outer perimeter of this figure.
stira [4]

Answer:

61.90

Step-by-step explanation:

12.2+14+14+6=46.2

of semi circle

circumference of semi circle = \pid

\pix10 = 10\pi

semi circle so divide by 2 = 5\pi

5\pi = 15.7

46.2 + 15.7 = 61.9

3 0
2 years ago
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