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CaHeK987 [17]
2 years ago
6

Can someone help????

Mathematics
1 answer:
Mandarinka [93]2 years ago
3 0

Answer: my fingers are broken

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
Plzzz guys help I'm so confused
GalinKa [24]

Answer:

<u>y = 320,000 ( 1.048 ) ^x</u>

x = number of years

(the  ^  before the x symbolizes "to the power of," but I can't do that on my keyboard)

Step-by-step explanation:

formula i used:

A = <em>amount that you start with</em>

t = amount of years / time

%increase: you must convert your percent (4.8%) to a decimal (0.048)

A ( 1 + %increase ) ^t

4 0
2 years ago
Read 2 more answers
6r-r + 8(15-r)+23-6 is it equivalent to 3r+137
natita [175]

Answer:

No, it's not equivalent

Step-by-step explanation:

Try and solve the one with the bracket first. Expand 8(15-r) : 8x15 and 8x-r = 120 - 8r

Therefore, the equation can now be written as:

6r-r + 120-8r + 23-6

Rearrange the like terms together and solve the equation:

6r-r-8r + 120+23-6 = -3r + 137

7 0
3 years ago
Read 2 more answers
A pizza shop charged $49. 57 for 3 large pepperoni pizzas. This price included a $2. 50 delivery fee. What was the price of a la
seraphim [82]
$15.69 is the answer
Subtract 2.50 from 49.57 and then divide your answer by 3
7 0
2 years ago
What is the slope of the line that passes through the points (6, 7) and (16,22)??? i have been
Stolb23 [73]

Answer:

1.5

Step-by-step explanation:

picture

5 0
2 years ago
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