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laiz [17]
3 years ago
10

Can anyone good with math help? ( please don't answer if you don't know thank you)​

Mathematics
2 answers:
Mademuasel [1]3 years ago
6 0

Answer:

y= (x+4)(x+4) is the answer

Step-by-step explanation:

Identity used= (a+b)²= a²+2ab+b²

Lerok [7]3 years ago
4 0

Answer:

hence, it's D.

=》

y = (x + 4)(x + 4)

Step-by-step explanation:

here's the solution :-

y =

{x}^{2}  + 8x + 16

=》

{x}^{2}  + 4x + 4x + 16

=》

x(x + 4) + 4(x + 4)

=》

(x + 4)(x + 4)

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What is the value of the sin3x/6x; as x approaches to zero
nikklg [1K]

Step-by-step explanation:

When x = 0,

sin3x / 6x = 0 / 0, which is an indeterminate form.

Hence we use L'Hospital's rule:

d/dx (sin3x) = 3cos3x

d/dx (6x) = 6

Now we have 3cos3x / 6 or 0.5cos3x.

When x = 0, 0.5cos3x = 0.5(1) = 0.5.

Hence the limit is 0.5.

6 0
3 years ago
09 CP
Veseljchak [2.6K]

Answer:

the answer should be as follows:

-2(q-3)

the closest answer would be A

6 0
3 years ago
If you distribute a negative factor, should you flip the inequality symbol? And why be specific
Alchen [17]
You flip is when you mulitply the whole equation by a negative
not when you distribute a  negative
if yo had
-3(x+4)>x
you wouldn't flip the negative symbol when distributing then -3

but if you had
-3(x+4)>-x
you would eventually have to multiply by -1 to make +1x

 
because they will be differente
exaple

12>3 is true
if yo multiply negative
-12>-3 is fale
-12<-3 is true

anothe rexample with placeholders
x<x+2
mulitply -1
-x>-x-2
false
-x<-x-2
true
that is why we flop the inequality symbole
6 0
3 years ago
Let’s work with some actual data this time. Go online to research and find a set of real-world data in two variables. The data c
slega [8]

The quadratic regression equation that best fits the data set is y = 32.86x² - 379.14x  + 1369.14

<h3>The data points </h3>

The following table of values represents the data points that would be used to solve this question:

x 3 4 5 6 7 8 9

y 470 416 403 226 314 338 693

Where:

  • x represents years since 2000
  • y represents the annual revenue of a manufacturing company in thousand dollars

<h3>The function of the dataset</h3>

The table of values illustrates a quadratic function.

The function would be calculated using a graphing calculator

From the graphing calculator, we have:

a = 32.86; b = -379.14 and c = 1369.14

A quadratic regression equation is represented as:

y = ax² + bx + c

So, we have:

y = 32.86x² - 379.14x  + 1369.14

Hence, the quadratic regression equation that best fits the data set is y = 32.86x² - 379.14x  + 1369.14

<h3>Why the function type was chosen?</h3>

From the table of values in (a), we can see that as x increases; the value of y decreases and then increases after it reaches a minimum.

This illustrates the behavior of a quadratic regression function

See attachment for the scatter plot

Read more about quadratic regression equation at:

brainly.com/question/14786188

#SPJ1

5 0
2 years ago
The local parts shop buys a machine that costs $500000. Its value depreciates exponentially each year by 10%. What is the machin
Svetach [21]
The answer is 250000
hope it helps please mark as brainliest
7 0
3 years ago
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