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Tamiku [17]
3 years ago
12

Select the sum that is equivalent to the difference shown:

Mathematics
1 answer:
Phantasy [73]3 years ago
4 0

Answer:

the answer is c

Step-by-step explanation:

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Can you help me with this?
juin [17]

Answer:

11

Step-by-step explanation:

apply pythagoras theorem

3 0
2 years ago
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Dy/dx of ln(x/x^²+1)
exis [7]

\dfrac{dy}{dx}\ \ln\left(\dfrac{x}{x^2+1}\right)=\dfrac{1}{\frac{x}{x^2+1}}\cdot\dfrac{x'(x^2+1)-x(x^2+1)'}{(x^2+1)^2}\\\\=\dfrac{x^2+1}{x}\cdot\dfrac{1(x^2+1)-x(2x)}{(x^2+1)^2}=\dfrac{1}{x}\cdot\dfrac{x^2+1-2x^2}{x^2+1}=\dfrac{1-x^2}{x^3+x}\\\\Used:\\\\(\ln(x))'=\dfrac{1}{x}\\\\\left[f(g(x))\right]'=f'(g(x))\cdot g'(x)\\\\\left(\dfrac{f(x)}{g(x)}\right)'=\dfrac{f'(x)g(x)-f(x)g'(x)}{[g(x)]^2}

5 0
3 years ago
7 out of 28 is what percent?
jeka57 [31]
Here's what I did and I checked it So it is correct!!

\frac{7}{28} = \frac{1}{4}

\frac{1}{4} = 0.25

25% is your answer.

28 \times 25\% = 7

--------------------------------------------------------

I hope that helps you!! Any more questions please feel free to ask!!
8 0
3 years ago
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I’m not sure where to begin
Dmitry [639]

(a)

we are given

the price of apple suddenly up by $0.75

Let's assume original price be 'p'

we are given

Sam bought 3 pounds of apple at the new price total is $5.88

so, new price = old price +0.75

price of 3 apples =3(p+0.75)

we are given that price is 5.88

so, we get equation as

5.88=3(p+0.75).......Answer

(b)

Since, original price is p

so, we have to solve for p

5.88=3p+2.25

5.88-2.25=3p+2.25-2.25

3.63=3p

p=1.21

so, original price is $1.21 per pound........Answer

8 0
3 years ago
the martin want to buy a new computer. the regular price is $632 . the store is offering a 25% discount and a sales tax of 7% is
lisov135 [29]

Answer:

440.82

Step-by-step explanation:


5 0
4 years ago
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