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Bumek [7]
3 years ago
6

The equation C = 75h + 29 represents the total

Mathematics
1 answer:
algol133 years ago
7 0
9:00 he returned the boat hope this helped and dived it add it then add 3
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Kathy bicycles 8km/h faster than Dennis. In my he same time it takes Dennis to bicycle 36 km, Kathy can bicycle 60 km. How fast
Sergeeva-Olga [200]

Dennis = 12 km'h

Kathy = 20 km/h

Step-by-step explanation:

  • Lets first establish  that time is the same for both Kathy and Dennis and we can therefore assign is the value of <em>t</em>
  • Kathy is cycling 8km/h faster than Dennis. Therefore if Dennis is doing <em>x </em>km/h Kathy is doing (<em>x</em>+8)km/h
  • If it takes Kathy<em> t </em>time to cycle for 60 km at (<em>x</em>+8)km/h, we can derive the time <em>t </em>as;

(<em>x</em>+8)* <em>t </em>= 60

<em>t</em> = 60/(<em>x</em>+8)

  • We can now use this time to establsish how fast Dennis is cycling. Dennis, using a speed of <em>x</em> km/h takes the same time (60/(<em>x</em>+8)) to cycle for 36 km. Therefore;

<em>x</em> * 60/(x+8) = 36

= 60x/(x+8) = 36

36 (x + 8) = 60x

36x + 288 = 60x

288 = 60x – 36x

288 = 24x

12 =<em> x </em>

Dennis is cycling at 12 km/h

Kathy is doing x + 8

= 12 + 8 = 20 km/h

Learn More:

For more on deriving equations check out;

brainly.com/question/11888968

brainly.com/question/7742981

#LearnWithBrainly

8 0
3 years ago
An orchard has 1,064 trees arranged in 28 rows.
Bess [88]

Answer:

The Answer is B my fellow brainly students

IM TELLING YOU THE TRUTH

<h2 />

Step-by-step explanation:


3 0
4 years ago
150 inches = ___ feet ___ inches ( please help asap )
PIT_PIT [208]
There are 12 inches in a foot, so divide 1590 by twelve. It equals 12.5. That is 12 feet and 5 inches!
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You have $2.00 to make copies. Each copy costs $0.25. Write and solve an
IRINA_888 [86]

Answer:

c≤8

Step-by-step explanation:

Let c be the number of copies that you can make

Each copy is 25 cents or .25

It must be less than or equal to 2 dollars

.25c ≤2.00

Divide each side by .25

.25c/.25 ≤ 2.00/.25

c≤8

8 0
4 years ago
David earn $9.60 dollar per hour for a 40 hours week. what was his net pay for a week in which his total deduction were $84.30 d
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Total weekly earnings=40×9.60=$384, less deductions=$299.70
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