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4 years ago

In the parallelogram below,

Mathematics

1 answer:

Artemon [7]4 years ago

8 0

Answer:

yes

Step-by-step explanation:

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At 5.45p.M .,lixin,khairul and Devil are at the starting point of a 1-km circular path. Lixin Takes 18 minutes to walk one round

sweet [91]

Answer:

$Meeting\ Time = 6:03\ pm$

Step-by-step explanation:

Given

$Start\ Time= 5:45pm$

$Lixin = 18\ min/round$

$Khairul = 360\ seconds/round$

$Devi = 4minutes/2\ rounds$

Required

Determine their next meeting time

First, we need to get their unit rate in minutes per round

$Lixin = 18\ min/round$

$Khairul = 360\ seconds/round$

Convert 360 seconds to minutes

$Khairul = \frac{360}{60} min/round$

$Khairul = 6 min/round$

$Devi = 4minutes/2\ rounds$

Divide by 2/2

$Devi = 2mins/round$

So, we have:

$Lixin = 18\ min/round$

$Khairul = 6 min/round$

$Devi = 2mins/round$

Next, is to determine the LCM of 18, 6 and 2

$18=2 * 3 * 3$

$6 = 2 * 3$

$3 = 3$

Their LCM is:

$LCM = 2 * 3 * 3$

$LCM = 18$

This means that they will meet 18 minutes after their initial time of departure.

So:

$Meeting\ Time = 5:45\ pm + 18\ minutes$

$Meeting\ Time = 6:03\ pm$

3 0

3 years ago

Which expression is equal to 45 x 4-7: 4-27 4° 4-4 (45) (4-2) 45 : 4-9

horsena [70]

Answer: 173: -432° - 16196: -5

Step-by-step explanation: Simplify your expression and there is your answer.

4 0

3 years ago

Complete the following pattern: 2, 4, 8, 16, 32, ___.<br><br> A) 48<br><br> B) 64

adell [148]

64 as it’s multiplied by 2 each time

7 0

3 years ago

find the number 15 balls consisting of 5 black, 5 blue nd 5 white balls from a box which has 6 black, 7 blue and 8 white balls (

AleksAgata [21]

Answer:

Step-by-step explanation:

A bag contains 4 blue, 5 white, and 6 green balls. ... There are 5 red and 15 black balls in a box, two are picked up at random

4 0

4 years ago

On a map,1 inch equals 10 miles. Two cities are 8 inches on the map. What is the actual distance between the cites?

Zinaida [17]

Answer:

if 1 in= 10 miles, then, 8 in= 80 miles

Step-by-step explanation:

8 0

3 years ago

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