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Naddika [18.5K]
3 years ago
9

I WILL RATE YOU BRAINLIEST. I REALLY NEED HELP!!! I already tried 12.8 but that didn't work

Mathematics
2 answers:
Jet001 [13]3 years ago
5 0
12.8 is close!!! The actual answer is 12.5.

     is        %             40          x
  ------ = -------   ⇒ -------- = --------
    of       100            32        100

    32x = 4,000
  -------  -----------
    32         32


      x = 12.5
alisha [4.7K]3 years ago
3 0
32/100 = 40/x
32x = 40(100)
x = 40(100)/32
x = 4000/32
x = 125

40 is 125% of 32.

You can check this by multiplying 32 by 1.25.
32 * 1.25 = 40
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14. Find the average of the 1000 whole numbers
steposvetlana [31]

Answer:

500.5

Step-by-step explanation:

The average of a set of numbers is the sum of the numbers divided by the number of numbers.

The sum of all whole number form 1 to n is n(n + 1)/2.

The sum of all whole numbers from 1 to 1000 is

1000(1000 + 1)/2 = 1000(1001)/2 = 500,500

The average is the sum of the numbers divided by the number of numbers.

average = 500,500/1000 = 500.5

5 0
3 years ago
How do you know when an expression is its simplest form
marishachu [46]

Answer:

you know it is when you can't solve it any further. If the numbers cannot be divided by a common number. there is no possible way to make it any more compacted.

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
1.825 rounded to the nearest hundredth
Alenkinab [10]
The answer is 1.83
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4 0
3 years ago
write the equaion of a line in slope-intercept form if the slope is 1/5 and the y-intercept is -9 explain please
faust18 [17]

Answer:

y = \frac{1}{5} x - 9

Step-by-step explanation:

The slope-intercept form is y = mx + b, where:

m = slope

b = y-intercept.

The slope (m) tells you the steepness of the line. It is the average rate of change which measures how the y-value changes for each one-unit change in the x-value. Hence, slope = \frac{rise}{run}.  So the given slope of 1/5 means that for every 1 unit change in the y-value, the x-value changes by 5 units (you go up 1 unit, and "run" 5 units to the right).

Next, the y-intercept is the point on the graph where it crosses the y-axis, and has the coordinates, (0, b). It is also the value of y when x = 0. Since you're given the y-intercept of -9, then that means that it is the y-coordinate of (0, <em>b</em>). So, it becomes (0, -9).

Now that we have our slope (<em>m </em>) = 1/5, and the y-intercept (<em>b </em>) = -9, we can write the equation of the line as:

y = \frac{1}{5} x - 9

(I'm also including a screenshot of the line where it shows the y-intercept of (0, -9) on the graph).  

Please mark my answers as the Brainliest if you find my explanations helpful :)

7 0
2 years ago
YALL HELP ME<br> By the definition of similar polygons, the lengths of corresponding sides are_____
deff fn [24]
Similar Polygons

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4 0
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