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2 years ago

40.32 is 76.8% of what number

2 answers:

meriva2 years ago

4 0

Let y = what number
76.8% x y = 40.32

Change the percentage to fraction

76.8/100 x y = 40.32
y = 40.32 x 100/76.8
y = 52.5

∴ 40.32 is 76.8% of 52.5

Anna71 [15]2 years ago

3 0

30.96576 because the calculator says so..lol

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For problem number four on the paper I’m confused I don’t know how to do the table with decimals can someone please explain how

Lostsunrise [7]

Answer:

$7.00

Step-by-step explanation:

$2.10 \div 6 = 0.35$

4a) 1 oz of coffee is equal to 0.35c, which is consistent with everything in the table.

4b)Knowing this, if we have 20 oz of coffee, and we multiply it by 0.35, we will get how much it costs for this cup.

20*0.35 = 7.00

Hope this makes sense and feel free to ask questions!

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1 year ago

Solve: 5x(8-4) divide 4-2=

nataly862011 [7]

5x(8 - 4)/4 - 2

Remember to follow PEMDAS.

First, subtract 8 and 4

8 - 4 = 4

5x(4)/4 - 2

Next, follow the left -> right rule, and multiply 5x and 4

5x(4) = 20x

Divide by 4

20x/4 = 5x

Finally, note that one has a variable, and the other has a constant, and so you cannot combine.

5x - 2 is your answer

hope this helps

8 0

2 years ago

A line has a slope of 5 and passes through the point (-1,2).

Andreyy89

Answer:

Step-by-step explanation:

slope=m= 5

points=(-1,2)

By point-slope form:

$y$ - $y_{1}$ =m( $x-x_{1}$ )

Substitute the values in formula:

y-2=5(x+1) (It is the point slope form)

Now,

Slope intercept form:

y-2=5x+5

y=5x+5+2

y=5x+7

<h3>If you need to ask any questions, please let me know.</h3>

5 0

2 years ago

Is (2,2) a solution of the system

pashok25 [27]

Answer:

Hi, you don't provide us with the system here...

to figure out if 2,2 is a solution of the system, you have to plug the value of 2 in for both x and y in the system, and solve to see if it comes out or not...

If you provide the system I can definitely help you out more specifically!

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3 years ago

Read 2 more answers

Round 120 problems in 5 hours

yaroslaw [1]

24 is the answer .:)

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2 years ago