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masya89 [10]
3 years ago
12

Which of the following expressions represents "the difference of 8 and n"?

Mathematics
1 answer:
kiruha [24]3 years ago
8 0

Answer:

n-8

Step-by-step explanation:

difference means subtraction so it can't be 8n which is multiplication or 8-0 because n is not represented.

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In an endurance race, Rachel ran
Reil [10]

Answer:

31\frac{1}{5}\ miles

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

so

The distance is equal to multiply the speed by the time

we have

speed=9\frac{3}{5}\ \frac{miles}{hour}

time=3\frac{1}{4}\ hours

distance=(9\frac{3}{5})(3\frac{1}{4})

Convert mixed number to an improper fraction

9\frac{3}{5}=9+\frac{3}{5}=\frac{9*5+3}{5}=\frac{48}{5}

3\frac{1}{4}=3+\frac{1}{4}=\frac{3*4+1}{4}=\frac{13}{4}

substitute

distance=(\frac{48}{5})(\frac{13}{4})=\frac{624}{20}=31,2\ miles

Convert to mixed number

31.2\ mi=31+0.2=31+\frac{1}{5}=31\frac{1}{5}\ miles

3 0
3 years ago
Beth can swim 2 laps in 7 minutes what is Beth rate in minutes per lap
Bond [772]

The answer is 1 lap/3.5 minutes

4 0
3 years ago
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Sunny_sXe [5.5K]

Answer:

J. 1.26

Step-by-step explanation:

Because it's getting multiplied by 1.26 every year.

7 0
3 years ago
A taxi ride costs p40.00 for the first 500 meters and each additional 300 meters or a fraction there of adds p3.50 to the fare.u
Zarrin [17]

The function which represents the taxi fare in terms of distance d in meter is f(d) = 3.50 ×\frac{d-500}{300} + 40 .

According to the question,

For first 500 meters cost is  40.00 and For each additional 300 meters cost is 3.50 .

Let, the total distance of taxi ride = d meters

Now, representing the equation of taxi fare in terms of distance when distance is less than 500

taxi fare = 3.50 ×  \frac{d-500}{300}  + 40

∴  f(d) = 3.50 ×  \frac{d-500}{300} + 40

To know more about functions refer below link: brainly.com/question/12431044

#SPJ4

8 0
2 years ago
The first person to answer correctly will get brainliest 5 stars AND a thank you!!!!
Travka [436]

Answer:

A translation

Step-by-step explanation:

:)

5 0
2 years ago
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