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icang [17]
2 years ago
3

Let a/b and c/d be two distinct rational numbers. Find the rational number that lies exactly halfway between a/b and c/d on a nu

mber line.
Mathematics
1 answer:
AleksAgata [21]2 years ago
6 0

The rational number that lies exactly halfway between a/b and c/d on a number line is a/2b + c/2d

<h3>How to determine the rational number that lies exactly halfway between a/b and c/d on a number line?</h3>

The rational numbers are given as:

a/b and c/d

The rational number that lies exactly halfway between a/b and c/d on a number line is calculated using

Number = (x + y)/2

Where

x = a/b

y = c/d

So, we have:

Number = (a/b + c/d)/2

Evaluate the quotient

Number = a/2b + c/2d

Hence, the rational number that lies exactly halfway between a/b and c/d on a number line is a/2b + c/2d

Read more about rational numbers at

brainly.com/question/27849436

#SPJ1

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Mike hiked to a lake in 4.5 hours at an average rate of 3 2 5 miles per hour. Pedro hiked the same distance at a rate of 3 4 5 m
Marysya12 [62]

Answer:

4.03 hours

Step-by-step explanation:

Mike hiked to a lake in 4.5 hours at an average rate of 3 2/5

The distance covered can be calculated as follows

= 4.5 × 3 2/5

= 4.5 × 17/5

= 4.5 × 3.4

= 15.3

Pedro hiked the same distance at 3 4/5 miles per hour, Therefore the time in which Pedro reached the lake an be calculated as follows

= 15.3÷ 3 4/5

=15.3 ÷ 19/5

= 15.3 ÷ 3.8

= 4.03 hours

8 0
3 years ago
The daily revenue at a university snack bar has been recorded for the past five years. Records indicate that the mean daily reve
Scorpion4ik [409]

Answer:

sample standard deviation is $50

Step-by-step explanation:

Given a  population standard deviation of $500 and a random sample of size, n=100.

-The sample standard deviation is calculated using the formula:

s=\sigma/\sqrt{n}

Where:

  • s is the sample standard deviation.
  • n is the sample size.
  • \sigma is the population standard deviation

Therefore:

s=\sigma/\sqrt{n}\\\\=500\sqrt{100}\\\\=50

Hence, the sampling distribution has a mean of $1,500 and a standard deviation of $50

8 0
3 years ago
Mario makes 30 calls in 15 hours. How many calls can he make in 3 hours?
VikaD [51]

Answer:

6

Step-by-step explanation:

15/5=3

30/5=6

4 0
3 years ago
Read 2 more answers
Arrange the equations in the correct sequence to rewrite the formula for displacement, , to find v0. In the formula, d is displa
mote1985 [20]
The formula for displacement is:
<span>d=1/2(v0+v)t

If we multiply by 2/t we will have

2*d/t = v0+v

In order to find v0 we subtract </span><span>v (the final velocity)

2*d/t - v = v0

The final result is that: v0 = </span>2*d/t - v
7 0
3 years ago
PLEASE HELP ME!! I’m already stressed out and I don’t need people getting on here just for points
Arte-miy333 [17]

Answer:

78.5

Step-by-step explanation:

Formula to find area of a circle: A= pi*raduis to the second power

3.14*5^{2}

First you square the 5

You do this by multiplying 5 times itself

3.14*25

Then you multilpy 3.14 and 25

78.5

7 0
3 years ago
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