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Olenka [21]
4 years ago
6

A company claims its washing machine produces 4000 joules of work output for every 3000 joules of work input. What would make yo

u skeptical about this claim?
​
Mathematics
1 answer:
ycow [4]4 years ago
5 0

Things that make me skeptical: No evidence is provided, the company also claims that its washing machine produces 4000 joules of output for ever 3000 joules of input, and there is no possible way of creating a joule output larger than the input, unless your using coils to increase electricity, but that's not what washing machines have inside of their machinery. Washing machines don't have mini Tesla coils inside their machinery!

I hope this helps!

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Multiply −2x(6x^4−7x^2+x−5)
mrs_skeptik [129]

Answer:

<h2>-12x⁵ + 14x³ - 2x² + 10x</h2>

Step-by-step explanation:

Use distributive property:

<em>a(b + c) = ab + ac</em>

-2x(6x^4-7x^2+x-5)\\\\=(-2x)(6x^4)+(-2x)(-7x^2)+(-2x)(x)+(-2x)(-5)\\\\=-12x^5+14x^3-2x^2+10x

8 0
3 years ago
Sam always has eggs for breakfast. He either has boiled,
GalinKa [24]

Answer:

a) 0.1 [ 0.10 ] probability

Step-by-step explanation:

Workout for a) question

Propability of hving boiled eggs + Propability of hving poached eggs + Propability of hving fried eggs = 100

<em>x + 25 + 65 = 100</em>

<em>x=10</em>

<em>Writing as decimal</em>

<em>x=0.10=0.1</em>

<em>b)</em>

<em>i) 10 percent of hving boiled eggs on first day 65 percent of hving fried eggs in second day</em>

<em>ii) 65 percent of hving fried eggs on both days</em>

<em>iii) 10 percent propability of hving atleat one boiled egg in 1 day</em>

<em />

<em />

<em>Hope this helps....</em>

<h2><em>                           </em><u><em>Pls mark my answer as brainliest :)</em></u></h2>

<u><em /></u>

3 0
4 years ago
Which of the expressions are equivalent to the one below? Check all that
alexandr402 [8]

Answer:

A

Step-by-step explanation:

The answer to the first expression is 1.

A =1

B= 7

C=28

D=5/3

4 0
3 years ago
Read 2 more answers
What is the answer to 3/2•5/4•7/3
Tom [10]
If you put it into a calculator, you get 35/8 as a fraction and you can change it to a decimal and get 4.375.
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4 years ago
What is the slope of the line that passes through the points R(11, 6) and S(9, -1)?
vodomira [7]

Answer:

7/2

Step-by-step explanation:

The slope of the line is given by

m = (y2-y1)/(x2-x1)

   = (-1-6)/(9-11)

   = -7/ -2

   = 7/2

7 0
3 years ago
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