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yan [13]
3 years ago
14

Every day Drake runs two laps at a park in his neighborhood. His speed, s, is inversely proportional to time, t, over the same d

istance. If Drake runs at a speed of 6 miles/hour, it takes him half an hour to complete two laps of the park. Which statement best describes Drake’s situation?
Mathematics
1 answer:
nalin [4]3 years ago
5 0
<span>multiply equation by 36 to get rid of the denominators
36* - 36* = 36(6)
Cancel the denominators
9d - 8d = 216
d = 216 mi to his house
:
:
See if that checks out, find the actual speeds
216/4 = 54 mph
216/4.5= 48 mph
----------------</span>
You might be interested in
4. Divide z(5z2 - 80) by 5z (z+4)​
insens350 [35]

Answer:

z-4

Step-by-step explanation:

z(5z²-80) ÷ 5z(z+4) = z-4

Step-by-step explanation:

Given: z(5z²-80) ÷ 5z(z+4)

Calculation:

First we factor numerator z(5z²-80)

Take out 5 from 5z²-80 and we get 5z(z²-16)

Now we factor 16 = 4²

5z(z²-4²)

Using formula, (a²- b²)=(a+b)(a-b)

5z(z²- 4²)⇒5z(z+4)(z-4)

Simplified fraction

5z(z+4)(z-4) ÷ 5z(z+4)

Cancel like factor from numerator and denominator

⇒ z-4

Thus, z(5z²-80) ÷ 5z(z+4) = z-4

5 0
3 years ago
Help plz with the last questions !!! Thxs
irina1246 [14]

ok but I don't know what it is

3 0
3 years ago
Please help me I need help with my test review I can’t figure out m&lt;1 and m&lt;2
aksik [14]

Answer:

m1=12 and m2=168

Step-by-step explanation:

m1 + m2 = 180 \: (straight \: angle) \\ then \\ x - 12 + 7x = 180 \\ 8x - 12 = 180 \\ 8x = 180  +  12 = 192 \\ x = 192\div 8 \\ x = 24\\ hence \\ m1 = 24 - 12 = 12 \\ m2 = 7 \times 24 = 168.

6 0
3 years ago
Can somebody give me a hand with this?
dezoksy [38]
None of the above..........
6 0
3 years ago
Read 2 more answers
Three fourths of a number decreased by nine is at least forty two
Serggg [28]
Let n= the number 3/4n - 9 >_42 {n|n>_68}
3 0
3 years ago
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