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2 years ago

0.42 in simplist form

Mathematics

2 answers:

Lena [83]2 years ago

7 0

Yyeah, because you cant devide 50 by 7 or 3

Evgesh-ka [11]2 years ago

4 0

21/50 is the simplist form

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Limit definition for slope of the graph, equation of tangent line point for<br> f(x)=2x^2 at x=(-1)

Tems11 [23]

The slope of the tangent line to $f$ at $x=-1$ is given by the derivative of $f$ at that point:

$f'(-1)=\displaystyle\lim_{x\to-1}\frac{f(x)-f(-1)}{x-(-1)}=\lim_{x\to-1}\frac{2x^2-2}{x+1}$

Factorize the numerator:

$2x^2-2=2(x^2-1)=2(x-1)(x+1)$

We have $x$ approaching -1; in particular, this means $x\neq-1$ , so that

$\dfrac{2x^2-2}{x+1}=\dfrac{2(x-1)(x+1)}{x+1}=2(x-1)$

Then

$f'(-1)=\displaystyle\lim_{x\to-1}\frac{2x^2-2}{x+1}=\lim_{x\to-1}2(x-1)=2(-1-1)=-4$

and the tangent line's equation is

$y-f(-1)=f'(-1)(x-(-1))\implies y-4x-2$

6 0

2 years ago

What is the solution to the proportion 3/m=12/15

qaws [65]

B 3.75 it is simple it is easy

6 0

3 years ago

Read 2 more answers

Pls help im taking a test

diamong [38]

Answer : b
Explanation

8 0

2 years ago

What is another name for irrational number?

maria [59]

Answer:

Step-by-step explanation:

Irrational numbers are reasonable and also real.

Surd is an example of an irrational numbers.

So as another name may be I go with option D

7 0

3 years ago

Bruno and Willie need a total of $50,000 to start an accounting business. Bruno has spent a lot of time getting the business set

Gnom [1K]

The amount contributed by Willie and Bruno is $31000 and $19,000 respectively.

Let amount contributed by Willie be x

Let amount contributed by Bruno be y

Since Willie agreed to contribute $12,000 more than Bruno;

Therefore;

x - y = 12000....…....... equation (1)

x + y = 50,000...…....... equation (2)

By solving the system of equations simultaneously;

2x = 62000

x = 31000

and y = 50,000 - 31000

y = 19,000

In essence; The amount contributed by Willie and Bruno is $31000 and $19,000 respectively.

brainly.com/question/23612222

5 0

2 years ago