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Umnica [9.8K]
3 years ago
15

What percent of 47.9 is 11? A)4.4% B)435.5% C)148% D)23%

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
3 0

Answer:

4.4%

Step-by-step explanation:

47.9 divided by 11 is 4.3545454545...

Round the 4.35454545.. to the closest

This is 4.4 percent

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Permutations: 5!·4! is equivalent to what (5!)(4!)^2, (5)(4!)^2 or 20! ?
solniwko [45]

Answer:

5!*4! is equivalent to 5*(4!)^2

Step-by-step explanation:

5!*4! = 2880

5*(4!)^2 = 2880

4 0
3 years ago
Find an equation of the line parallel to x=5y-9 and passing through (2,-4). Express in standard form.
Anon25 [30]

Answer:

x - 5y = 22

Step-by-step explanation:

Step 1:  rewrite the equation of the given line in to slope-intercept form by solving for y

 x = 5y - 9    

     -5y = -x - 9               (subtract 5y and x from both sides)

        y = x/5 + 9/5           (divide both side by -5)

Step 2:  Our line is parallel to this line, so it has the same slope, but a different  y-intercept, so set up the equation...

  y = x/5 + b      

We are given a  point (x, y) of (2, -4), so plug that in and solve for b.  

 -4 = 2/5 + b

            -4 - 2/5 = b      (subtract 2/5 from both sides to isolate b)  

                   -20/5 - 2/5 = b

 

                         -22/5 = b      (simplify)

So the equation of our line is  y = x/5 - 22/5

Step 3:  Standard form is ax + by = c, where a is a positive integer

subtract x/5 from both sides...

-x/5 + y = - 22/5

multiply by -5 so x becomes a positive integer

x - 5y = 22  

3 0
3 years ago
19.25 rounded to the near ones
Tpy6a [65]
The answer for rounding 19.25 to the nearest ones place is 19.
7 0
3 years ago
HELP!!! An icicle is in the shape of an inverted cone with a diameter of 11 mm and a height of 90 mm. How much frozen water is i
stira [4]

Answer: 2,849.6 mm^3

Step-by-step explanation:

Volume of a cone : 3.14 • r^2 • h/3

h being height and r being radius

now substitute

3.14 • 5.5^2 • 90/3

now solve

3.14 • 30.25 • 30

2849.55

round to tenths

2849.6

4 0
3 years ago
Read 2 more answers
shirts are 25% off. the original price of one shirt is $12. what is the total cost, in dollars of a shirt at the sale price, inc
Natalka [10]

Answer:

$9.45

Step-by-step explanation:

1 - 0.12 = 0.88

12.60 * 0.88 = 9.45

You save $3.15

8 0
3 years ago
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