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bixtya [17]
3 years ago
10

A board game has a spinner divided into sections of equal size. Each section is labeled with a number between 1 and 5. Which num

ber is a reasonable estimate of the number of times the spinner will land on a section labeled with a 5 over the course of 300 spins?

Mathematics
1 answer:
Valentin [98]3 years ago
3 0

Answer:

75

Step-by-step explanation:

first, there are three 5's on the spinner, with a total of 12 sections. 3/12 = 0.25, so you multiply 0.25 times 300 (the total spins) and get 75

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What is the constant of proportionality in the table below?
kenny6666 [7]

Answer:  \dfrac{2}{5}

Step-by-step explanation:

The constant of proportionality 'k' between two variables ( one independent and one dependent ) is given by :-

k=\dfrac{\text{Value of dependent variable}}{\text{Value of independent variable}}

In the given table, independent variable = Days

Dependent variable = Total Miles

From first row,  Days = 3

Total Miles = 1\dfrac{1}{5}=\dfrac{6}{5}

Then, the constant of proportionality in the table

k=\dfrac{\dfrac{6}{5}}{3}=\dfrac{6}{5\times3}=\dfrac{2}{5}

Hence, the constant of proportionality in the table is \dfrac{2}{5} .

3 0
3 years ago
A bag contains 10 red marbles, 6 blue marbles, and 4 green marble.
Salsk061 [2.6K]

Answer:

7/10 or 70%.

Step-by-step explanation:

There is a total of 20 marbles in the bag.

There are 10 + 4 = 14 marbles which are not blue.

The required probability = 14/20

= 7/10.

6 0
3 years ago
carlos walks 4 miles every night for exercise it takes him exactly 64 minutes to finish his walk Assuming he walks at a constant
TEA [102]
Ok, so if he walks 4 miles per 64 minutes, or 4 miles/64 min which will reduce to 1 mile/ 16 min,  then the numbers of miles he walks in a given number of minutes would be

1/16 * number of minutes

The question states we represent miles with y and number of minutes with x, so...

y = 1/16x

So let's check it...

How many miles (y) in 64 minutes (x)

y = 1/16x
y = 1/16 * 64
y = 64/16 = 4 miles 

Yep! It checks!
6 0
3 years ago
Ted spent half of his weekly allowance playing arcade games. To earn more money his parents let him wash the car for $7. What is
Viefleur [7K]

Answer:

$3.50

Step-by-step explanation:

14-7=7

7 divided by 2 = 3.50

:)

8 0
3 years ago
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In February, Alec had 1,568 visitors to his website. In March, he had 1,335 visitors to his website. What is the percentage decr
shusha [124]

Answer:7.5%

Step-by-step explanation:

decrease the number of visitors from Alec´s website from February to the next month.

4 0
3 years ago
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