72 is 40% of what number?

Answers

Answer 1

Answer: All you have to do to find what number a certain number is a certain percentage of is to divide the known number by the percentage that it is reduced by.
To do this, we must first convert the percentage into a decimal. To do this, we can either divide the percentage by 100, or (my personal shortcut) just shift the decimal point over two places to the left.

40% = 0.4

Now, we divide the known by the percentage/decimal.

72 / 0.4 = 180

72 is 40% of 180.
Hope that helped! =)

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Bert's cab company charges $1.00 plus an additional $3.00 per mile for a ride.Madeline,s cabs company charges $3.00 plus an additional $2.00 per mile fora ride. Write a system of linear equations that shows the cost in dollars,y, for a cab ride of x miles for each cab driver.

Answers

So our y value is the end cost, while our x value is the number of miles driven. Let's also add two variables, r and c. r stands for the rate, or the cost per mile, and c stands for the defined cost. So our function is y = rx + c. Remember that whenever we have a function, the y is replaced with f(x). No worries, they mean the same thing.So let's add the values into each variable for both companies. Bert's company would have a function of f(x) = $3x + $1, and Madeline's company would have f(x) = $2x + $3. So let's say you drove 5 miles in a cab from both companies. x would become 5, so put that into both functions. 3 times 5 plus 1 would end up being $16, so Bert's company costs $16 for a 5 mile drive. 2 times 5 plus 3 would end up being $13, so Madeline's company costs $13 for a 5 mile drive.

Consider the table of the powers of 8.Answer these questions about the powers of 8.

What is the pattern as the exponents decrease?

What is the value of each variable in the table?
a =
b =
c =

Answers

The pattern of the exponent's decrease should be that it divided by 8.

The value of each variable should be like

a = 1

b = $1/ 8$

c = $1/ 64$

Calculation of the pattern and the value:

The pattern of the exponent's decrease should be that it divided by 8.

The value of each variable should be like

a = 1

b = $1/ 8$

c = $1/ 64$

In this way it should be determined.

learn more about number here: brainly.com/question/2204393

Answer:

What is the pattern as the exponents decrease?

divided by 8

What is the value of each variable in the table?

a = 1

b = 1/8

c = 1/64

Show one way to count from $82 to $512

Answers

First way:
The easiest and simplest way is to count by 1 starting from 82 till you reach 512.
This will go as follows:
82, 83, 84, 85, ........... , 510, 511, 512

Second way:
We can note that the two given numbers are even numbers. This means that the two numbers are divisible by 2.
Therefore, we can count by 2 starting from 82 till we reach 512.
This will go as follows:
82, 84, 86, 88, ................... , 508, 510, 512

Third way:
We can note that the units digit in both numbers is the same (the digit is 2). This means that we can count from 82 till 512 by adding 10 each time.
This will go as follows:
82, 92, 102, 112, ......................, 492, 502, 512

Hope this helps :)

Final answer:

You can count from $82 to $512 by first adding 10, then adding 100 several times, and finally adding 20. This method uses large increments to make the counting faster and easier.

Explanation:

To count from $82 to $512 in an easy manner, you can use regular increments. An efficient way would be to add 10 each time until you reach $92, then switch to adding $100 each time. Here's a step-by-step breakdown:

Start at $82.
Add 10 to get $92.
Add 100 to get $192.
Add 100 again to get $292.
Add 100 once more to get $392.
Add another 100 to get $492.
Finally, add 20 to get $512.

This way, you've counted from $82 to $512 using mostly large increments, which makes the counting faster and easier.

Learn more about Number Counting here:

brainly.com/question/40666881

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Which statement about the ordered pairs (−9, 3)
(−9, 3)
and
(2, −4)
(2, −4)
is true for the equation
6x−
y
2

=14
6x−y2=14
?

(−9, 3)
(−9, 3)
is a solution to the equation.

(2, −4)
(2, −4)
is a solution to the equation.

Both ordered pairs are solutions.

Neither ordered pair is a solution.

Answers

Neither ordered pairs are a solution

The 100% correct answer is:

2,-4 is a solution to the equation

25% of students are boys. there are 16 students . How many are boys

Answers

Answer:

Step-by-step explanation:

What is 1 5/8- 3/8 Express the answer in simplest form

Answers

1 5/8 - 3/8 = 1 1/4

Subtract the numerators because the common denominators are the same and leave the whole number to make 1 2/8. To simplify it you divide it by 2 because that's the highest number that can go into both numerator and denominator to make is 1 1/4.

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