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valentina_108 [34]
3 years ago
7

If 7 out of 10 people brush thier teeth every night, which of the following represents the percent of people who do not brush th

ier teeth every night?
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
4 0

Answer: 30 percent of people who do not brush theit teeth every night.

Step-by-step explanation:

Given : 7 out of 10 people brush their teeth every night.

That means 3 out of 10 people do not brush their teeth every night. (7-10=3)

Now, the percent of people who do not brush their teeth every night = \dfrac{\text{Number of people do not brush their teeth}}{\text{Total people}}\times100\%

=\dfrac{3}{10}\times100\%\\\\=30\%

Hence, 30 percent of people who do not brush theit teeth every night.

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The answer is 82 because 5+7=12 then 3+4=7 plus the 1 = 82
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PLease help ill give brainliest
stepan [7]

A bar graph is when you want to compare the data in the data set (which this data set does)

A line graph is used when the data set creates a straight line (which this data set does not)

A circle graph (also known as a pie chart) is used when the data set measures percentages that will total 100% (which this data set does not)

A stem plot is used when you want to show the frequency of the beginning digit <em>or digits</em> (which this data set does not)

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3 years ago
What is the answer to 3 + 4 1/10
Ymorist [56]
First you can change 3 to 10/10 so that they can have the same denominator. Now, since you do that the number is now 2. 

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4 0
3 years ago
Sheri's brother gave Sam his collection of stamps when she left for college. At that
pychu [463]

Answer: $70 per year.

Step-by-step explanation:

Let's say that x is the number of years that has passed and y is how much the stamp is worth.

So we know that in zero years the stamp was worth $420 because that is the time Sheri gave her brother Sam the stamp. That could bring up the coordinates  (0,420) .

Now we know that in 8 years it was worth $980 and that could be the coordinates (8,980)

To find the rate of change we need to find the different between the y value and divide it by the difference in the x values.

420 - 980 = -560

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The rate of change is 70 which means that it grew by $70 every year.

6 0
3 years ago
What is the approximate length of RP? Round to the nearest tenth. 5. 6 units 6. 1 units 8. 3 units 9. 8 units.
kirza4 [7]

The apporoximate length of the RP is 6.1 units, the correct option is B.

<h3>What is Pythagoras theorem?</h3>

The Pythagoras theorem states that the square of the length of the hypotenuse is equal to the sum of squares of the lengths of the other two sides of the right-angled triangle.

Given

QR is the tangent to circle P at point Q.

QP = 3 units and QR = 5,.3 units

The length of the RP is given by;

\rm RP=\sqrt{QP^2+QR^2} \\\\RP=\sqrt{3^2+5.3^2}\\\\ RP=\sqrt{9+28.09} \\\\RP=\sqrt{37.09}\\\\RP= 6.1 \ units

Hence, the apporoximate length of the RP is 6.1 units.

To know more about Pythagoras theorem click the link given below.

brainly.com/question/11526258

6 0
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