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4 years ago

In the example, the variables represent _______ and number of months.

Mathematics

1 answer:

zepelin [54]4 years ago

3 0

Answer:

Be more specific with your question and we will try and help you

Step-by-step explanation:

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2024 and 40 children in a class the ratio of boys to girls are 4:7 how many are in the clas

andreev551 [17]

There are 12 boys and 21 girls for a total of 33 students
I’m not sure if this is right!

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3 years ago

Breanna has quarters, dimes, and nickels in her purse. she has 3 fewer nickles than dimes, but she has 2 more nickles than quart

zmey [24]

We base ourselves in the one piece of crucial evidence: She has 2 quarters.
-from the rest of the problem, we know that she has 2 more NICKEL'S than QUARTERS,

(2 Quarters + 2 = 4 nickels)

she has 3 fewer nickels than dimes,

DIME - 3 = Nickels

D - 3 = 4

D = 7

7 dimes
(70 cents)

4 nickels
(20 cents)

2 quarters
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115 cents
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8 0

4 years ago

Read 2 more answers

Circle towns limit form a perfectly circular shape that has a population of 20000 in the population density of 480 people per sq

Alex

Answer:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

Step-by-step explanation:

For this case we know the population size $P = 20000$ and we also know the population density $D = 480 \frac{people}{km^2}$

We can assume that the area is a circle. We also know that the formula for the population density is given by:

$D= \frac{P}{A}$

Where P represent the number of people and A the area. Since we are assuming a circle then the area is given by:

$A = \pi X^2$

With X the radius of the circle

And then the populationd density become:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

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4 years ago

Find the circumference for 6 and 8

Naya [18.7K]

Answer:
6. 98.01
8. 32.04

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3 years ago

Hope an expert can help with this

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if there are 300 raffle tickets and one raffle ticket is drawn, the proabability of drawing the next one is 1 in 299 because there is one less ticket from the previous win

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3 years ago