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andriy [413]
3 years ago
15

Jasmine finished the bike trail in 2.5 hours at an average rate of 2.5 miles per hour.Lucy biked the same trail at a rate of 6 1

/5 mile per hour.How long did it take lucy to bike the trail?
Mathematics
1 answer:
Lyrx [107]3 years ago
8 0

2.5 hours at a rate of 2.5 miles per hour = 2.5 * 2.5 = 6.25 miles

the trail was 6.25 miles long

Lucy rode at 6 1/5 mile per hour

 so 6.25 / 6 1/5 = 1.008 = 1.01 hours

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Jade wants to verify that the expression 5(3x-6) is equivalent to 15x - 30. She substitutes 2 into each expression and
rjkz [21]

5(3x-6) is equivalent to 15x - 30 if they are equivalent if the two values are the same.

<h3>What is expression?</h3>

An expression is a set of terms combined using the operations +, – , x or , /.

Given expression:

5(3x-6) is equivalent to 15x - 30.

If we put x=2 in both expression, we get finite value.

To check both the expression are equal or not we have to solve by putting the value.

So,

They are equivalent if the two values are the same otherwise not.

Learn more about expression here:

brainly.com/question/13947055

#SPJ1

8 0
2 years ago
Use unit multipliers to convert 20 cubic miles to cubic inches​
Artemon [7]

Answer:

20 cubic miles = 5.0872E+15 cubic inches

Step-by-step explanation:

it's a big number. hope this helps!

8 0
2 years ago
Find the equation of a line that goes through the points (-3,5) and (5,-11)
Rasek [7]

(\stackrel{x_1}{-3}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{-11}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-11}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{5}-\underset{x_1}{(-3)}}}\implies \cfrac{-16}{5+3}\implies \cfrac{-16}{8}\implies -2

\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5}=\stackrel{m}{-2}(x-\stackrel{x_1}{(-3)}) \\\\\\ y-5-2(x+3)\implies y-5=-2x-6\implies y=-2x-1

3 0
2 years ago
Help asap ...................
forsale [732]

Answer:

One: Median = 2

Two: Mean = 3.25

Step-by-step explanation:

One

Put the dots in order

1 1 1 2 2 3 3

There are seven groups altogether.

The middle one is a 2.

The median is 2.

Two

The mean is the average.

The average of the 4 groups is

1 3 6 3 = 13

The average is the sum of the dots.

13/4 = 3.25

8 0
3 years ago
A dinner plate has a circumference of 106.76 cm. What is the area of the dinner plate? Use = 3.14.
Sphinxa [80]
C=2pr,  r=c/(2p)

a=pr^2, using r found above we get:

a=p(c^2/(4p^2))

a=(c^2)/(4p), since c=106.76 and we approximate pi as 3.14

a=(106.76^2)/(4*3.14)

a=11612.2176/12.56 cm^2

a≈924.54 cm^2  (to nearest one-hundredth of a square cm)
3 0
2 years ago
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