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lisabon 2012 [21]
2 years ago
9

3. BIKING In order to train for a cross-state biking trip,

Mathematics
1 answer:
kirill [66]2 years ago
7 0

Answer:

173.75

Step-by-step explanation:

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Ted is a long distance driver. It took him 30 min longer to drive 275km on the Trans-Canada highway west of Swift Current, Saska
IRISSAK [1]

Speed traveling west = x - 10 km /hr


275 / ( x-10) - 300 / x = 1/2



275 *2x - 300 (x-10)*2 = ( x-10) *x



550x - 600x +6000 = x^2 -10x



x^2 +40x - 6000 = 0


( x -60) ( x+100) = 0


x = 60


ANSWER East = 60 km/ hr West = 50 km /hr


CHECK


300 /60 = 5 hours

275 /50 = 5.5 hours

7 0
3 years ago
There is a math joke that floats around the internet every once in a while that goes something like . . . A mathematician and he
salantis [7]

Answer:

  • Three beers.

Step-by-step explanation:

The first mathematician orders 1 beer, the second orders 1/2 a beer, the third orders 1/4 a beer, the fourth orders 1/8 a beer, the fifth orders 1/16 a beer. . .

  • The Sequence is: 1,\frac{1}{2}, \frac{1}{4}, \frac{1}{8}, \frac{1}{16} \cdots
  • On observation, the next term is derived through the division of the previous term by 2.
  • 2 is the constant factor
  • Therefore, the bartender says 'Fine, I’ll just pour you two beers.'

Therefore, if the first mathematician orders 6 beers, the second orders 2 beer, the third orders 2/3 a beer, and so on

  • The sequence is 6,2,\frac{2}{3}, \cdots
  • On observation, the next term is derived through the division of the previous term by 3.
  • 3 is the constant factor
  • Therefore, the bartender should pour three beers.

6 0
3 years ago
Together, Rhonda and Margo saved $478.50. If Rhonda saved $225 of that total, how much did Margo save? Select the addition equat
Sav [38]

Answer:

$253.5

Step-by-step explanation:

Total amount saved = Amount Rhonda saved + Amount Margo saved

= $478.50 − $225

Amount Margo saved = $253.5

3 0
3 years ago
How do you solve<br> -.8x + 40 - 8x - 35
makvit [3.9K]

Answer:

-16x + 5

Step-by-step explanation:

-8x + 40 -8x - 35

Collect like terms

-8x - 8x + 40 - 35

= - 16x + 5  or 5 - 16x

I hope this was helpful, Please mark as brainliest

6 0
3 years ago
Read 2 more answers
Plsss help... question from gradients. Will give brainliest
Anuta_ua [19.1K]

Answer:

uwuwhwhwnwjwjwiwieiwiwjwjjejeejjwje

Step-by-step explanation:

euwwuwjw

6 0
2 years ago
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