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krok68 [10]
3 years ago
10

Just use this for free points.

Mathematics
2 answers:
maw [93]3 years ago
7 0

Answer:

thank youu!!!! :)

Step-by-step explanation:

V125BC [204]3 years ago
6 0

Answer:

thank you my guy

Step-by-step explanation:

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Lin ran 2 3/4 miles in 2/5 of an hour. Noah ran 8 2/3 miles in 4/3 of an hour.
sveticcg [70]
(The second one)
Noah ran 8.67 miles in 1 hour and 20 minutes
If we convert the fraction to a decimal (for the miles part) we get 8.67 or 8 2/3 miles.

If 1/3 of an hour is 20 minutes, and an hour is 60 minutes, we add 20 4 times, which gets us to 80, which is 20 past an hour.
6 0
2 years ago
Find the<br> surface area of the<br> prism.
natta225 [31]

Answer:

D.  972 ft^2

Step-by-step explanation:

SA = 2B + PH

where SA = total surface area of the prism,

B = area of a base

P = perimeter of the base

H = height of the prism

SA = 2 * bh/2 + (15 ft + 12 ft + 9 ft)(24 ft)

SA = (9 ft)(12 ft) + (15 ft + 12 ft + 9 ft)(24 ft)

SA = 972 ft^2

3 0
2 years ago
Graph the inequality<br> y &lt; -x^2 +4x -6
DochEvi [55]

Answer:

Graph the inequality by finding the boundary line, then shading the appropriate area.

Step-by-step explanation:

Hope this helps...answer in the image below !

8 0
2 years ago
Someone please help!
erastova [34]

Answer:

  • k = 6.26

Step-by-step explanation:

Find the midpoint of each frequency range, multiply that number by the frequency, sum up and divide by the total frequency.

This will give the mean number.

<u>The mean is:</u>

  • [17*( 3 + 3.5)/2 + 21*(3.5 + k)/2 + 33*(k + 4)/2 + 54*(4 + 4.5)/2 + 15*(4.5 + 6)/2]/140 = 4.09
  • 55.25 + 10.5k + 36.75 + 16.5k + 66 + 229.5 + 78.75 = 140*4.09
  • 17k + 466.25 = 572.6
  • 17k = 572.6 - 466.25
  • 17k = 106.35
  • k = 106.35/17
  • k = 6.26

Note, I expected the value of k between 3.5 and 4. This is a bit of illogical outcome.

8 0
2 years ago
Use a net to find the surface area of the cylinder. Use 3.14 for π.
worty [1.4K]

Step-by-step explanation:

Hope this helps you with this question

5 0
2 years ago
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