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saw5 [17]
3 years ago
12

If D varies directly with t and D is 105 when t is 3, find D when t is 8. 35 280 840

Mathematics
2 answers:
drek231 [11]3 years ago
5 0

Answer:

280

Step-by-step explanation:

D = kt

105 = 3k

k = 35

D = 35t

D = 35(8) = 280

zhenek [66]3 years ago
5 0

Answer:

440

Step-by-step explanation:

Let the variation factor be 'k'

D = kt

When D is 105, and t is 3

105 = 3k

Divide through by 3 to get the value for 'k'

105/3 = 3k/3

k = 55.

When t = 8,

D = 55 x 8

D = 440

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Circle each of the square numbers in this list 1,4,5,9,17,21,36,49,59,82,110,122,144
Airida [17]
Circle each of the square numbers in this list

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4 0
3 years ago
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Rachel has a bag that contains a total of 224 red and yellow candies. The ratio of red candies, R , to yellow candies, Y , is 3
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Answer:

96 red

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3 0
3 years ago
Four families went out for lunch. The total food
dybincka [34]

Answer:

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BUT

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7 0
3 years ago
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Will mark brainliest
ikadub [295]

Answer:

3rd choice

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(7y^6)(2y^-4)^2

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8 0
3 years ago
Is 26,341 divisible by 3?
shepuryov [24]

No.  26,341 is not evenly divisible by 3 .

Here's the trick you can use to decide this
just by looking at a big number:

==>               If a number is divisible by 3, then the
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I've never taken the trouble to figure out why this works,
but it does work.  I didn't make it up.  It's widely known.

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Is that cool or what !
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3 years ago
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