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iris [78.8K]
2 years ago
9

Helphelphelphelphelphelp

Mathematics
1 answer:
Sedaia [141]2 years ago
4 0

Answer:

i have no idea

Step-by-step explanation:

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Please help 5x^2+21x+4
SVEN [57.7K]

Answer:

(5x+1) (x+4)

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
4. Which of the following lines is perpendicular to y = -2X + 8?
Alenkinab [10]

For this case we have to by definition, if two lines are perpendicular then the product of its slopes is -1.

That is to say:

m_ {1} * m_ {2} = - 1

We have the following equation:

y = -2x + 8

So:

m_ {1} = - 2

Thus:

m_ {2} = \frac {-1} {m_ {1}}\\m_ {2} = \frac {-1} {- 2}\\m = \frac {1}{2}

Thus, a line perpendicular to the given line must have slope m = \frac {1} {2}.

Option A:

x + 2y = 8\\2y = -x + 8\\y = - \frac {1} {2} x + 4

It is not perpendicular!

Option B:

x-2y = 6\\2y = x-6\\y = \frac {1} {2} x-3

If it is perpendicular!

Option C:

2x + y = 4\\y = -2x + 4

It is not perpendicular!

Option D:

2x-y = 1\\y = 2x-1

It is not perpendicular!

The correct option is option B

ANswer:

Option B

5 0
3 years ago
Need help will def give Brainlyest
Aleksandr-060686 [28]
Your answer will be y=-2/3x+4/3 and I believe I deserve the brainliest answer :))) Hope this helps!

7 0
3 years ago
Given g of x equals cube root of the quantity x plus 6, on what interval is the function negative?
nikdorinn [45]

The interval for the function to be negative will be (-∞<x<-7).

<h3>What is a function?</h3>

A function in mathematics set up a relatioship between the dependent variable and independent variable. on changing the value of the independent variable the value of the dependent variable also changes.

Here we have a function:-

g(x) = ∛(x+6)

If we put the value of x lesser than 6 in the function we will always get a negative value so the interval will be:-

(-∞<x<-7).

Therefore interval for the function to be negative will be (-∞<x<-7).

To know more about function follow

brainly.com/question/2833285

#SPJ1

6 0
1 year ago
...............................<br> ............
White raven [17]

Answer:

SUV and EON

I just know it is i am terrible at explaining things so im not gonna try to explain

6 0
3 years ago
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