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3 years ago

A bus travels for 24 minutes at 54m/s

Mathematics

2 answers:

oksano4ka [1.4K]3 years ago

3 0

Answer:

distance: 77760 meters

Step-by-step explanation:

24 min = 24*60 sec = 1440 sec

54m/s * 1440 s = 77760 m

sesenic [268]3 years ago

3 0

Answer:

the bus went 77760 m/s in 24 minutes

Step-by-step explanation:

convert 24 minutes to seconds

24 min= 1440 seconds

54x1440= 77760

(i hope this is what you're asking)

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a sample of ore is found to be 0.0015% gold and 0.034% copper. what is the percentage of matter in the ore that is neither gold

Ipatiy [6.2K]

100 - 0.034 - 0.0015 = 99.9645

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3 years ago

The price of an item has dropped to $63 today. Yesterday it was $140. What was the percentage decrease?

den301095 [7]

Given:

a.) The price of an item has dropped to $63 today.

b.) Yesterday it was $140.

For us to be able to determine the percentage decrease, we will be using the following formula:

$\text{ Percentage Decrease = }\frac{\text{ Original Price - Present Price}}{\text{ Original Price}}\text{ x 100}$

We get,

Original Price = $140

Present Price = $63

$\text{ Percentage Decrease = }\frac{\text{ Original Price - Present Price}}{\text{ Original Price}}\text{ x 100}$ $\text{ = }\frac{\text{ 140 - 63}}{\text{ 140}}\text{ X 100}$ $\text{ = }\frac{77}{140}\text{ X 100}$ $\text{ = }0.55\text{ x 100}$ $\text{Percentage Decrease = }55\text{\%}$

Therefore, the decrease of the price in percentage is 55%.

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2 years ago

During a musical an orchestra is playing. As the music plays, the volume changes in the beginning of the piece can be modeled by

IrinaK [193]

Answer:

<em>The sound level would be at 80 decibels at 1 or 7 number of measures played</em>

Step-by-step explanation:

<u>Equations with Absolute Values</u>

We have the function s to represent the sound level in decibels:

$s = 10|x - 4|+ 50$

Where x is the number of measures of the music played.

We are required to find the value of x that makes s=80 decibels. We have to find the equation:

$10|x - 4|+ 50 =80$

Subtracting 50:

$10|x - 4| =80-50$

$10|x - 4| =30$

Dividing by 10:

$|x - 4| =30/10=3$

$|x - 4| =3$

For the absolute value be equal to 3, its argument could be positive or negative:

$x-4=3$

$x-4=-3$

This leads us to two solutions:

$x=3+4=7$

x=7

$x-4=-3$

$x=4-3=1$

x=1

The sound level would be at 80 decibels at 1 or 7 number of measures played

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4 years ago

Describe the number of faces and thier shapes

Marysya12 [62]

Do you have pictures

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4 years ago

What is 5.6 equalivent to

Sloan [31]

(this is for fractions!!!!!!!!!!!!) 28/5 or 5 3/5

i think u just make it into 5.6/1 multiply by 10 which gets 56/10 and wala
but it's not simplified. 56 and 10 is divisible by 2 so u get 28/5 which is actually 5 3/5 (which is 5.6!!)

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4 years ago