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svlad2 [7]
3 years ago
7

Sierra wants to train for a marathon. Right now she can run 4 miles. She plans to add half a mile each week

Mathematics
1 answer:
Monica [59]3 years ago
6 0

Answer:

go on.Need more info how many weeks does she need to reach her goal?

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After 3 minutes, a submarine had descended to −320 feet. After 8 minutes, the submarine had descended to −420 feet. Assuming a l
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Answer:

d(t) = -20t - 260

Step-by-step explanation:

The depth function is:

d(t) = mt + b

After 3 minutes, a submarine had descended to −320 feet.

This means that d(3) = -320. So

d(t) = mt + b

-320 = 3m + b

After 8 minutes, the submarine had descended to −420 feet.

This means that d(8) = -420. So

d(t) = mt + b

-420 = 8m + b

From the first equation:

b = -320 - 3m

So

-420 = 8m + b

-420 = 8m - 320 - 3m

5m = -100

m = \frac{-100}{5}

m = -20

And

b = -320 - 3*(-20) = -260

So

d(t) = -20t - 260

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3 years ago
Divide and Round your answer to the nearest hundredth: 32.503/4.9
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Answer:

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Step-by-step explanation:

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4 years ago
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Need Help With this question
Sidana [21]

Answer:

Area of ΔDEF = 12 in²

Step-by-step explanation:

Since they are similar, we have to find the scale factor

Scale Factor = \frac{Side OfDilated Triangle}{Side of Original Triangle}

Scale Factor = 4/2

Scale Factor = 2

<u><em>This means The area of ΔABC is 2 times the area of ΔDEF</em></u>

So,

ΔABC = 2(ΔDEF)

Where Area of ΔABC = 24 in²

24 = 2(ΔDEF)

Dividing both sides by 2

=> Area of ΔDEF = 12 in²

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3 years ago
The scatter plot shows how many bugs, with and without wings, were found by students on a field trip. How many bugs with wings d
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Bugs with wings:

Q = 13
F = 11
G = 20
---------add
   = 44

answer

<span>B) 44</span>
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Elena sold ice cream at the fair. One day she sold one-third of the gallons of vanilla ice cream that she had, and then gave awa
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Answer:

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Step-by-step explanation:

Fand the most part in 2? the best. I think you are awesome. edit! edit on your post? edit! I cut off a bit of payer

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