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3 years ago

13

The theoretical probability of spinning an even number on a spinner is 23. The spinner has 8 even-numbered sections. How many se

ctions are on the spinner?

1 answer:

meriva3 years ago

6 0

Answer:

there are 12 sections

here is how to do it:

2 8

_ = _

3 x

so you cross multiply

8 x 3 = 2x

24=2x

12=x

Step-by-step explanation:

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The Magic Dragon has 2013 heads. Leo the Brave is cutting off the Dragon's heads at a speed of 5 heads per minute. The Dragon's

aivan3 [116]

Answer: The answer is 1833 heads and 11 hours, 11 minutes.

Step-by-step explanation: Given that the Magic Dragon has 2013 heads. The brave Leo is cutting off the Dragon's heads at a speed of 5 heads per minute. But, the Dragon's heads are growing back at a speed of 2 heads per minute.

So, the number of heads of Dragon that are decreasing per minute = 3.

Therefore, after 1 hour, i.e., 60 minutes, The number of heads of the Dragon

= 2013 - 60 × 3 = 2013 - 180 = 1833 heads.

Now, the fight will last until all the heads of the Dragon are cut. Let the fight lasts for 'x' minutes, then

$2013-x\times 3=0\\\\\Rightarrow 3x=2013\\\\\Rightarrow x=\dfrac{2013}{3}=671.$

Hence the fight lasts for 671 minutes, i.e., 11 hours and 11 minutes.

Thus, the Dragon will have 1833 heads after 1 hour and the fight will last for 11 hour and 11 minutes.

3 0

3 years ago

Which angles are alternate interior angles?

Bingel [31]

Answer:

Angle QPM and Angle LMP are alternate interior I'm pretty sure, so I think B or second choice.

7 0

3 years ago

Read 2 more answers

Gianna is preparing for the upcoming tennis season. According to her schedule, she can complete at most 10 workouts this week. I

Strike441 [17]

The whole number of minutes that Gianna complete each week as a function of x and y:
$45x+30y$
Since the above number is greater than 450 minutes, we get the inequality:
$45x+30y\geq450$
Also, "she can complete at most 10 workouts this week" so we deduce the inequality:
$\\x+y\leq10$
Therefore, the system of inequalities is the following:
$45x+30y\geq450$
$\\x+y\leq10$
The above system has many solutions, for example :

4 0

3 years ago

valentina_108 [34]

Answer:

34

Step-by-step explanation:

7 0

4 years ago

Do all ratios compare a part to a whole number? Explain

STALIN [3.7K]

Yes and no...

A ratio can be defined in a new ways. Let's say I have a party with twelve people, four of whom are male and eight of whom are female. The ratio of male to female guests would be written as 4:8, neither of which is the whole number (12) but which instead relate parts of the whole. I could alternatively write the ratio of male guests to total guests as 4/12. This does compare it to the whole. A ratio relates two quantities by showing how many times one quantity is contained within or contains another quantity.

By the phrasing of your question, I'm not sure if you maybe mean whole number as an integer. If that's the case, then yes, ratios are almost always written as integers. If I had something like 8.5:7, I would multiply it by two to get 17:14, which is a correct ratio.

4 0

4 years ago