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ExtremeBDS [4]
3 years ago
5

Four runners start at the same point; Lin, Elena, Diego, Andre. For each runner write a multiplication equation that describes t

heir journey.
Lin runs for 29 seconds at 7.2 meters per second. What is her finish point?

7.2*?=29

29*7.2=?

?*29=7.2

Elena runs for 26 seconds and finishes at 240 meters. What is her velocity?

240*26=?

26*?=240

?*240=26

Diego runs for 33 seconds at -6.1 meters per second. What is his finish point?

-6.1 • ? = 33

33*?=-6.1

-6.1*33=?

Andre runs for 38 seconds and finishes at -295 meters. What is his velocity?

-295*38=?

38*?==-295

?*-295=38
Mathematics
1 answer:
Natalka [10]3 years ago
6 0

Answer:

See the answers in the explanation

Step-by-step explanation:

Lin runs for 29 seconds at 7.2 meters per second. What is her finish point?

time= 29 seconds

speed= 7.2 m/s

distance= speed*time

distance= 7.2*29

distance=208.8 m

Elena runs for 26 seconds and finishes at 240 meters. What is her velocity?

time= 26 seconds

distance= 240meters

velocity= distance/time

velocity= 240/26

velocity=9.23 m/s

Diego runs for 33 seconds at -6.1 meters per second. What is his finish point?

time= 33 seconds

velocity

distance=velocity*time

distance=33*6.1

distance= 33*6.1

distance=201.3 m

Andre runs for 38 seconds and finishes at -295 meters. What is his velocity?

time= 38 seconds

distance= 295m

velocity= distance/tim

velocity= 295/38

velocity= 7.76m/s

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Answer:

w= -9/8

Step-by-step explanation:

-1/3w -3/5 = 1/5w

+1/3w            +1/3 w

-3/5=1/5w+1/3w

Make common denominators to combine like terms of the right

-3/5=1/5w+1/3w

         *3       *5

-3/5=3/15w+5/15w

-3/5=8/15w

multiply both sides by the reciprocal of 8/15 which is 15/8

-3/5*15/8=8/15w*15/8

\frac{-3}{5}*\frac{15}{8} ----> cross reduce 5 in the denominator becomes 1 and 15 in the numerator becomes 3

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7 0
3 years ago
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A motorist travels from town A to town B, which are 84km apart. If he has completed 7/8 of his journey, what is the distance he
TEA [102]

The distance that he has traveled exists 73km 500m.

<h3>What is the distance?</h3>

Distance exists described as the amount of space between two items or the condition of existing far apart. The distance of an object can be described as the complete path traveled by an object.

Given: A motorist travels from town A to town B, which exists 84km apart. He has finished 7/8 of his journey.

To estimate the distance that he has traveled

He covered 7/8 out of 84 km

So, 7/8 × 84 = 73.5 km

The distance he has traveled = 73 km 500 m

Therefore, the distance that he has traveled exists 73km 500m.

To learn more about distance refer to:

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1 year ago
Combine like terms to simplify.<br><br> 2. 3v + w +8 - 2n
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3v + w +8 - 2n 
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Simplifying 3v + w + 8 + -2n

Reorder the terms: 8 + -2n + 3v + w
 
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3 years ago
The midpoint M and one endpoint of JK are given. Find the coordinates of the other endpoint. J(7,2) and M(1,-2)
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Step-by-step explanation:

Xj + Xk/2 = Xm

7 + Xk/2 = 1

to get rid of the bracket, multiply all two sides by the denominator.

2(7 + Xk/2) = 1(2)

7 + Xk = 2

Xk = 2 - 7

Xk = -5

Yj + Yk/2 = Ym

2 + Yk/2 = -2

to get rid of the bracket, multiply all two sides by the denominator.

2(2 + Yk/2) = -2(2)

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3 years ago
The quadrilateral shown is a rectangle. What is the measure of CE?
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Answer:

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Step-by-step explanation:

The quadrilateral is shown in the attachment

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Group similar terms to get:

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Recall again that the diagonals of a quadrilateral bisect each other.

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Plug x=5

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