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3 years ago

How long does it take for a bicyclist to travel 90 miles at the rate of 18 miles per hour

Mathematics

2 answers:

ELEN [110]3 years ago

8 0

Answer:

5 hours

Step-by-step explanation:

We are given that a bicyclist travels for 90 miles at the rate of 18 miles per hour and we are to find the time he took to complete this journey.

We will use the speed - distance formula here to find the time:

Time = Distance / speed

So substituting the given values in the above formula:

Time = 90 / 18 = 5 hours

Ket [755]3 years ago

5 0

Answer:

5 hours

Step-by-step explanation:

If the bicyclists is traveling 18 miles every hour and needs to travel a sum of 90 miles, you need to divide 90/18 equaling the total time (in hours) needed to travel 90 miles. Hope this helps

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Find two numbers such that the sum of the first and three times the second is 5 and the sum of the second and two times the firs

Sav [38]

Answer:

first number= 19/5

second number= 2/5

Step-by-step explanation:

first number= a

second number= b

a+3b=5 equation 1

b+2a=8 equation 2

using equation 2 we have

b=8-2a

using equation 1 we have

a+3(8-2a)=5

a+24-6a=5

24-5=6a-a

19=5a

a=19/5 = first number

so using b=8-2a

we have

b=8-2(19/5)

b=8-(38/5)

b=2/5 = second number

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4 years ago

Convert 111110 base two to base eight

Gre4nikov [31]

Answer: I got 76.

Step-by-step explanation:

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3 years ago

What are the four elements found in deductive structure?

olga_2 [115]

Undefined terms; assumptions (postulates); definitions; theorems

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3 years ago

A 8.5 B 8.1 C 12.5 D 12.9

elena55 [62]

Cosine again. Yay.

Put 36 into a fancy calculator with one of those cos() things. You get about 0.81.

So that's the ratio between x and 10.

So basically x/10 = 0.81, or 0.81 * 10 = x.

8.1 = x

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4 years ago

How many times 19 go into 36

Aneli [31]

36/19
=1.894736842 and it keeps going

Hope this helped and have a great day!

5 0

4 years ago

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