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Elina [12.6K]
3 years ago
8

How do you do this problem: 20% of what number is 8?

Mathematics
2 answers:
Fynjy0 [20]3 years ago
6 0
 20% of 40= 8. you can even check on a calculator, hope that helps!
iVinArrow [24]3 years ago
5 0
20/100 * X = 8
X = 8*100/20
X=40
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how many even numbers less than 1000 can be formed from the given digits 0,2,3,5; if repetition is not allowed ?​
Lunna [17]

Answer: 2 numbers

Step-by-step explanation:

Since we are looking for even numbers, 0 and 2 must be the last number.

So if we have 0 at the end, there are 6 possibilities:

2350, 2530, 3250, 3520, 5230, 5320.  None of these are less than 1000.

But, if we have 2 at the end, then we have 6 possibilities again:

0352, 0532, 3052, 3502, 5032, 5302. Only two of these are less than 1000.

So the only possibilities are 0350 and 0530, and so there are 2 possibilities.

8 0
2 years ago
18
Alex777 [14]

Answer:

Point Z

Step-by-step explanation:

Since the scale is one, first you go 0.5 to the left (-0.5 X) then you go 0.75 up (0.75 Y) then you have your answer.

8 0
2 years ago
Ocean waves are hitting a beach with a frequency of 0.100 Hz. Their average wavelength is 15.0 m. What is their average speed?
dalvyx [7]

Answer:

7 mph or 11.27 kphe

Step-by-step explanation:

Im pretty sure pls give 5 stars

7 0
3 years ago
How is this equation completed? I cannot find any examples in the book.
djverab [1.8K]

Answer: Option D

t_{max} =19\ s

Step-by-step explanation:

Note that the projectile height as a function of time is given by the quadratic equation

h = -12t ^ 2 + 456t

To find the maximum height of the projectile we must find the maximum value of the quadratic function.

By definition the maximum value of a quadratic equation of the form

at ^ 2 + bt + c is located on the vertex of the parabola:

t_{max}= -\frac{b}{2a}

Where a

In this case the equation is: h = -12t ^ 2 + 456t

Then

a=-12\\b=456\\c=0

So:

t_{max} = -\frac{456}{2*(-12)}

t_{max} =19\ s

7 0
3 years ago
Is 7/12 greater then 4/12
aev [14]
True.

7/12 is greater than 4/12.

Have a wonderful day! :)

6 0
3 years ago
Read 2 more answers
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