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Ilya [14]
3 years ago
14

Fatima is on the track team. One day at practice, it took her 19 minutes to run 2 miles. Select the expression that gives this a

s a unit rate.
Mathematics
1 answer:
monitta3 years ago
5 0

Answer:

Fatima's unit rate is 9.5 minutes per mile.

Step-by-step explanation:

To compute the one unit value of a variable divide the total values of <em>n</em> variables by <em>n</em>.

It is provided that it took Fatima 19 minutes to run 2 miles.

Then the unit rate at which Fatima runs is:

\text{Unit Rate}=\frac{19}{2}

                =9.5

Thus, Fatima's unit rate is 9.5 minutes per mile.

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The first gardener can finish the job in 6 hours, and the second gardener can do the same job in 7 hours. How long it will take
marissa [1.9K]

If the first gardener can finish the job in 6 hours, it means that every hour he completes 1/6 of the job.

By the same logic, the second gardener completes 1/7 of the job per hour.

So, if they work together, they complete

\dfrac{1}{6}+\dfrac{1}{7}=\dfrac{7+6}{42}=\dfrac{13}{42}

of the job per hour.

So, after 42/13 of a hour, they'll complete the job. Since one hour is made of 60 minutes, 42/13 of a hour is

\dfrac{42}{13}\cdot 60 \approx 194

So, it will take them about 194 minutes to finish the job, i.e. about 3 hours and 14 minutes.

8 0
3 years ago
The figures abov are similar find the missing length show your work 5in by 3in 3in by x
IgorLugansk [536]
Make each a ratio, and set them equal to each other.

Larger rectangle = 3/5
smaller rectangle = x/3

3/5 = x/3

cross multiply

3/5(5)(3) = x/3(3)(5)

3(3) = x(5)

9 = 5x

Isolate the x, divide 5 from both sides

9/5 = 5x/5

x = 9/5

x = 1.8

1.8 in. is your answer

hope this helps
3 0
3 years ago
*15 Points* Answer the question and I will give you BRAINLIEST!
grandymaker [24]

what is the question can u say?

8 0
3 years ago
Angie read 22 pages during a 30-minute study hall. At this rate, how many pages would she read in 45 minutes
frosja888 [35]
45 minutes is equal to 1.5 times 30:

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4 0
3 years ago
Which expression is equivalent to (7 + 2i)(-3 - 4i)?
malfutka [58]
B -13 -34i

(7 + 2i)(-3 - 4i)
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Then keep simplifying
5 0
3 years ago
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