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Anestetic [448]
3 years ago
9

Please work out -80 ÷ -8​

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
8 0

-80÷-8=10

.....................

Daniel [21]3 years ago
3 0

Answer:

10

Step-by-step explanation:

-80 / -8 = 10

the negatives cancel each other out

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During the regular season, a National Basketball Association team plays 82 games and a National Football League team plays 16 ga
Naddika [18.5K]

Answer:

NFL teams play 16 regular season games each year, NHL and NBA teams play 82, while MLB teams play 162-could invalidate direct comparisons of win percentages alone. As an example, the highest annual team winning percentage is roughly 87% in the NFL but only 61% in MLB and part (but not all) of that difference is undoubtedly tied to the shorter NFL regular season

5 0
3 years ago
A church has 10 bells in its bell tower. Before each church service 7 bells are rung in sequence. No bell is rung more than once
elixir [45]

Answer:

3 Because there are only three bells that aren't being run there for three additional ways that the bells could be rung

4 0
2 years ago
The number of tickets purchased by an individual for Beckham College's holiday music festival is a uniformly distributed random
Zanzabum

1) Mean: 6.5

2) Standard deviation: 3.2

Step-by-step explanation:

1)

A uniform random distribution is the distribution of a variable that can assume n different values, and each of these values is equally likely to occur.

This means that the probability of occurring of each of these values is the same:

p(x_1)=p(x_2)=...=p(x_n)

For a uniform random distribution, the mean of the distribution is simply equal to the median value of the distribution, which is exactly at the center of the distribution itself. It can be calculated as

\bar x = \frac{1}{2}(a+b)

where

a is the lowest value of the distribution

b is the highest value of the distribution

Here the distribution consists of all values ranging from 1 to 12, so:

a = 1

b = 12

Therefore the mean value is

\bar x=\frac{1}{2}(1+12)=6.5

2)

For a uniform random distribution, it can be dimostrated that the variance of the distribution is

\sigma^2 = \frac{1}{12}(b-a)^2

For the distribution in this problem, we have:

a = 1

b = 12

Therefore the variance is

\sigma^2 = \frac{1}{12}(12-1)^2=10.08

The standard deviation is the square root of the variance, therefore for this distribution it is:

\sqrt{\sigma^2}=\sqrt{10.08}=3.2

Learn more about mean and standard deviation:

brainly.com/question/6073431

brainly.com/question/8799684

brainly.com/question/4625002

#LearnwithBrainly

3 0
3 years ago
A person rents a moving truck for the day. There is an initial rental fee of $20 and an additional $0.25 every mile driven. Writ
PtichkaEL [24]

Answer:

Step-by-step explanation:

cost is 20 fee + .25 per mile.

c =20+0.25m

4 0
3 years ago
Given that 12x=15y, identify the ratio of x to y in simplest form.
postnew [5]
This is your perfect answer.


Simplifying
12x = 15y

Solving
12x = 15y

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '12'.
x = 1.25y

Simplifying
x = 1.25y
8 0
3 years ago
Read 2 more answers
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