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3 years ago

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Mathematics

2 answers:

AVprozaik [17]3 years ago

8 0

Answer:

1. No that is not safe to be used at home because, the wire is broken so if you apply energy to the cord then you can get electrocuted and start a house fire.

2. A way to help keep your family safe is to throw the cord away if it's a object of some sort like a vacuum just buy a new one to make sure you and your family stay safe.

Step-by-step explanation:

<em>Hope this helps! Please consider marking brainliest! I hope you have an amazing day. Always remember, your smart and you got this! -Alycia :) </em>

ss7ja [257]3 years ago

6 0

Answer:

No.

Step-by-step explanation:

The rubber is what keeps the wire insulated and to stop it from shocking you. so no if you use that cable you are posing a hazard to yourself. Although chargers can have the rubber be torn and still work properly, it better not to take any chances. (i may or may not be wrong but do what you want)

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gtnhenbr [62]

Answer:

The volume of the rectangular prism is $3456ft^2$ .

Step-by-step explanation:

18 * 12 * 16 = $3456ft^2$

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3 years ago

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What is -5x -10=10 ?

Alika [10]

Answer: " x = - 4 " .

____________

Step-by-step explanation:

____________

Method 1):

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Given:

" -5x − 10 = 10 " ; Solve for "x" ;

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Add "10" to Each Side of the equation:

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-5x − 10 + 10 = 10 + 10 ;

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to get:

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-5x = 20 ;

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Now, divide Each side of the equation by " -5 " ;

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-5x / -5 = 20/ -5 ;

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to get:

" x = - 4 " .

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Method 2):

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Given:

" -5x − 10 = 10 " ; Solve for "x" ;

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Multiply each side of the equation by "-1" ; to get rid of the "negative value" of the "coefficient of "x" :

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-1 *{-5x − 10} = 10*{-1} " ;

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[-1*-5x] − [-1*10] = -10 ;

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5x − (-10) = -10 ;

to get:

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Subtract "10" from Each Side of the equation:

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5x + 10 − 10 = -10 − 10 ;

to get:

5x = -20 ;

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" x = - 4 " .

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Method 3):

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Given:

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" $\frac{-5x-10}{-5} = \frac{10}{-5}$ " ;

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Simplify to:

" $\frac{-5x}{-5} - \frac{10}{-5} = \frac{10}{-5}$ " ;

Simplify to:

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Simplify to:

" x + 2 = - 2 " ;

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4 0

3 years ago

how is the sentence "10 more than p is –3" written as an equation? – 3 = 10 p 10 = –3 p 10 = 3 p = 10 – 3

yarga [219]

This is saying that -3 is the result of a number "p" plus 10...therefore the equation is p+10=-3

8 0

3 years ago

The relative growth rate for a certain type of bacteria population is 78% per hour. A small culture has formed and in just 5 hou

Blizzard [7]

Answer:

The initial number of bacteria in the culture was 1949

Step-by-step explanation:

The relative growth rate for a certain type of bacteria population is 78% per hour.

As we know the growth of bacteria is exponential function.

$P=P_0(1+r)^n$

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P is population of bacteria after n hours.

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r is rate of growth per hour

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A small culture has formed and in just 5 hours the count shows to be 34,820 bacteria in the culture.

P = 34820 , n = 5 , r = 0.78

$34820=P_0(1+0.78)^5$

$P_0=\dfrac{34820}{(1.78)^5}=1948.63$

$P_0\approx 1949$

Hence, The initial number of bacteria in the culture was 1949

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