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garik1379 [7]
3 years ago
5

One lap around the school track is 5/8 of a mile Carin ran 3 1/2 laps how far did she run

Mathematics
1 answer:
bearhunter [10]3 years ago
4 0

Given length of a lap = 5/8 mile.

Number of laps Carin ran = 3 1/2 laps.

3 1/2 can be read as 3 and a half. In improper fractions, it can be written as

(3*2+1)/2 = 7/2 laps.

In order to find the total distance covered in 3 1/2 or 7/2 laps, we need to multiply length of a lap by total number of laps ran.

Therefore, total distance covered = 7/2 × 5/8.

=\frac{7}{2}\times\frac{5}{8}

Multiplying across, we get

= \frac{7\times5}{2\times8}

=\frac{35}{16}

Let us convert 35/16 into mixed fractions.

On dividing 35 by 16, we get 2 quotient and 3 remainder.

So, the mixed fraction would be 2 3/16.

Therefore, she ran 2 3/16 miles in 3 1/2 laps.


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Their sum is 6 and their difference is 36<br> Help plz
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Answer:

Step-by-step explanation:

if you can use negative numbers then   you could use 21 and -15

so

adding them together is  21 + (-15) = 6

and then subtracting  21 - (-15) =

                                     21 + 15 = 36

do you think that would work ?  :/

3 0
3 years ago
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Genrish500 [490]
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2 years ago
Ella has a part-time job selling cupcakes at a cart in the park. She is paid $25 for a shift plus a fee of $0.25 for each cupcak
mojhsa [17]

9514 1404 393

Answer:

  A) t = 0.25c +25

  B) c = 52

  C) 3 weekday shifts

Step-by-step explanation:

A. The amount Ella earns is $0.25 per cupcake, so for c cupcakes, that is ...

  0.25c

In addition, she is paid $25, so her total amount she is paid is ...

  t = 0.25c +25

__

B. In order to earn $38, the number of cupcakes sold must be ...

  38 = 0.25c +25

  13 = 0.25c . . . . . . subtract 25

  52 = c . . . . . . . . . multiply by 4

Ella sold 52 cupcakes to earn $38.

__

C. On one of the average weekdays, Ella could be expected to earn ...

  t = 0.25(36) +25 = 34

Then for 3 weekday shifts, her earnings would be 3($34) = $102. (It would take Ella 3 weeks to earn $300.)

On one of the average weekend shifts, Ella could be expected to earn ...

  t = 0.25(62) +25 = 40.50

Then for 2 weekend shifts, her earnings would be 2($40.50) = $81. (It would take Ella 4 weekends to earn $300.)

Ella would earn $300 more quickly by working weekday shifts.

8 0
3 years ago
What is the perimeter of A’B’C’D’?
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\displaystyle\bf\\\textbf{At any translation of a quadrilateral the sides remain the same,}\\\\\textbf{the angles remain the same.}\\\\\textbf{It turns out that the quadrilateral remains the same.}\\\\P_{A'B'C'D'}=P_{ABCD}=AB+BC+CD+DA=\\\\~~~~~~~~~~~~~~=2.2+4.5+6.1+1.4=\boxed{\bf14.2}

 

5 0
3 years ago
Which exponential function is represented by the values in the table?
astraxan [27]
ANSWER

The exponential function is
f(x) = 3( {2}^{x} )

EXPLANATION

Let the exponential function that is represented by the values in the table be of the form,

f(x) = a( {b}^{x} )

The points in the table must satisfy this exponential function.


We substitute the point,

(0,3)

to get,


3 = a( {b}^{0} )



This implies that,


3 = a( 1 )


3 = a


Our function now becomes,

f(x) = 3( {b}^{x} )


We gain, plug in another point yo find the value of b too.


Let us substitute
(1,6)


This implies that,

6= 3( {b}^{1} )


We divide through by 3 to obtain,

2 = b


Therefore the function is,


f(x) = 3( {2}^{x} )



The correct answer is A.
3 0
3 years ago
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