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2 years ago

Can you plz help I need help because I kinda don’t get it plz help

Mathematics

1 answer:

dmitriy555 [2]2 years ago

5 0

Answer:

Line of best fit refers to a line through a scatter plot of data points that best expresses the relationship between those points. ... A straight line will result from a simple linear regression analysis of two or more independent variables as you know..A line of best fit (or "trend" line) is a straight line that best represents the data on a scatter plot. This line may pass through some of the points, none of the points, ... The Line of Best Fit is an independent online magazine based in London, concentrating on new music. It publishes independent music reviews, features, interview, and media, so there may be different things about it! try to add it or try different ways to connect it

Step-by-step explanation:

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ALGEBRA QUESTION PLS HELPS

cluponka [151]

The value of x is –7.

Solution:

Given expression:

$$\left(\frac{1}{x+3}+\frac{6}{x^{2}+4 x+3}\right) \cdot \frac{x+3}{x+1}$

Let us factor $x^2+4x+3$ .

$x^2+4x+3=(x+1)(x+3)$

Substitute this in the fraction.

$$\left(\frac{1}{x+3}+\frac{6}{(x+1)(x+3)}\right) \cdot \frac{x+3}{x+1}$

To make the denominator same, multiply and divide the first term by (x +1).

$$\left(\frac{(x+1)}{(x+1)(x+3)}+\frac{6}{(x+1)(x+3)}\right) \cdot \frac{x+3}{x+1}$

Denominators are same, you can add the fractions.

$$\left(\frac{x+1+6}{(x+1)(x+3)}\right) \cdot \frac{x+3}{x+1}$

$$\frac{x+7}{(x+1)(x+3)} \cdot \frac{x+3}{x+1}$

Cancel the common term in the numerator and denominator.

$$\frac{x+7}{x+1} \cdot \frac{1}{x+1}$

Multiply the fractions.

$$\frac{x+7}{(x+1)^2}$

$$\frac{x+7}{x^2+2x+1}$

The expression is simplified to one rational expression.

Suppose the expression is equal to 0.

$$\frac{x+7}{x^2+2x+1}=0$

Do cross multiplication.

$${x+7}=0\times (}{x^2+2x+1})$

Any number or variable multiplied by 0 gives 0.

$${x+7}=0$

Subtract 7 from both sides of the equation.

$${x+7-7}=0-7$

x = –7

The value of x is –7.

7 0

2 years ago

To find the product of two digit number and a 1 digit number you can multiply the tens multiply the ones and find of each

kumpel [21]

Yes you can multiply 10 to find the numbers

4 0

2 years ago

What is 4-0+4-4+0=k?

Lady_Fox [76]

Answer:

The answer is 4

Step-by-step explanation:

P.S Can I have brainliest?

3 0

2 years ago

Read 2 more answers

I don't know how to solve number one ? Please help

dolphi86 [110]

In order to find the temperature, you have to add -4 + 16. this would be C because negatives subtract. Hope you found this helpful!

7 0

2 years ago

Which rule, test, or theorem will help you find the probable number of positive and negative real zeros of a polynomial function

Orlov [11]

The number of positive and negative roots or zeros of a polynomial function is predicted through the Descartes Rule of Sign. This was first described by Rene Descartes in his work La Geometrie. The technique is for determining an upper bound on the number of positive and negative real roots.

3 0

2 years ago