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Advocard [28]
3 years ago
8

Andre rode his bike at a constant speed. He rode 1 mile in 5 minutes.

Mathematics
2 answers:
Trava [24]3 years ago
8 0

Answer:

Step-by-step explanation:

Given that Andre rode his bike at a constant speed.

Number of miles driven = 1 mile

Time taken to drive 1 mile = 5 minutes.

Then speed can be calculated using formula:

Speed = Distance / Time

Now we have to find the amount of time t (in minutes) taken by him to right distance d so we can again use same formula.

Speed = Distance / Time

or

Time = Distance / Speed

Plug the given values

t = 5d

Hence find answer will be equation t=5d.

Anna71 [15]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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A con is tossed n times. How many difference sequences of head and tails can you get?
ryzh [129]

Answer:

2^n

Step-by-step explanation:

So whenever you flip a coin, you can see it as 2 nodes branching off of each existing node. so for example when you flip a coin once you're going to have 2 sequences initially H and T, now when you flip a coin again for each of those 2 sequences 2 are going to branch off of that, making the total sequences 4, and the next flip 2 sequences are going to branch off each of the 4 sequences and so on. this can generally be described as: 2^n

I attached an image describing this a bit better but the bottom line is that for each 'end node'/sequence you're going to have 2 branch off of it, thus for each coin flip the number of sequences multiplies by 2

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2 years ago
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What percent is 25 of 100
KatRina [158]
25 of 100 is 25%


Hope this helps.
8 0
3 years ago
Fide f (-7) evaluate the function
pychu [463]

Step-by-step explanation:

f(x)=-x²+8x

By replacing x with -7, we get

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2 years ago
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What is the length of the hypotenuse? If necessary, round to the nearest tenth.
Scrat [10]

Answer:

5.5

Step-by-step explanation:

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2 years ago
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What is the first step in solving the following system of equations? 3 x + y = 23. 8 x + 2 y = 23. Substitute the value of y fro
Taya2010 [7]

Answer:

B

Step-by-step explanation:

Our system of equations is:

3x + y = 23

8x + 2y = 23

If we want to use substitution, that means that we essentially want to manipulate one of the two equations so that one variable (like y) is written in terms of the other (like x), and then substitute that expression into the second equation so that we have one variable and one equation and we can easily solve from there.

So the first thing to be done is to write one of the variables in terms of the other. It would be easiest to do it with the first equation and write y in terms of x - in other words, "solve the first equation for y".

The answer is B.

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3 years ago
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