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Olegator [25]
3 years ago
14

(-4x^4+5x^3-x^2+1)+(2x^4-7x^3+6x^2+2x) Answer in standard form

Mathematics
1 answer:
Tema [17]3 years ago
5 0

Answer by Distributing Like Terms: -4x^4+5x^3-x^2+1+2x^4-7x^3+6x^2+2x

=-4x^4+5x^3+-x^2+1+2x^4+-7x^3+6x^2+2x

Combine Like Terms:

=-4x^4+5x^3+-x^2+1+2x^4+-7x^3+6x^2+2x\\=(-4x^4+2x^4)+(5x^3+-7x^3)+(-x^2+6x^2)+(2x)+(1)\\\=-2x^4+-2x^3+5x^2+2x+1

Answer: =−2x^4−2x^3+5x^2+2x+1

Formula rewritten in standard form: -2x^{2} -2x^{3}+5x^{2} +2x+1

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Answer:

B: y = -2x + 5

Step-by-step explanation:

-2 - 1 = -3

9 - 3 = 6

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gradient = -2

3 = 1 x -2 + c

3 = -2 + c

5 = c

y intercept = 5

equation = y = -2x + 5

so the answer is option b

7 0
3 years ago
3. Describe the solution to the equation.
Law Incorporation [45]
I don’t really know? What grade is this?
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NASA cameras film a rocket launcher vertically from the launch pad, 3 miles away. When the angle between the camera and the grou
Nimfa-mama [501]
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8 0
3 years ago
In a study of 30 high school students, researchers found a high correlation, 0.93, between amount of exercise and weight lost. W
zloy xaker [14]

Answer:

Option A is true

The researchers proved that exercise causes weight loss only for high school students.

Step-by-step explanation:

We are told that the researchers found a high correlation, 0.93, between amount of exercise and weight lost.

Now, looking at each of the options;

- A is True because due to the high correlation, the research proves that exercise causes weight loss but only for high school students.

- B is not true because we are told the correlation is very high at 0.93. Thus, it is untrue that there is no proven causation.

-C is not true because there's no where that the researchers have completely proved that exercise causes weight loss generally. It is only peculiar to the high school students studied.

-D is not true because the 93% is just a correlation and not a percentage of those who lost weight

8 0
3 years ago
Let A = -4k+ 3 and B = 3k +17. If A = B, then what is the value of k?​
kupik [55]

Answer:

k=-2

Step-by-step explanation:

Using substitution to find what you're missing, (in this case k) is when you plug each letter into the other equation:

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So now solve for k:

subtract 3 from both sides...

-4k=3k+14

subtract 3k from both sides to combine with -4k...

-7k=14

divide -7 from both sides...

k=-2

3 0
2 years ago
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