Select two polynomials that have a sum of 16n^3+13n^2+7n-10 A. 8n^3 - 5n +11n^2 - 5 B. 7n^2 + 8n - n^3 + 2 C. 15n^2 - 10n + 3n^3 - 4 D. 2n^2 + 12n - 5 + 8n^3

Answers

Answer 1

Answer:

Option A and Option D are correct, $8n^3 - 5n +11n^2 - 5$ and $2n^2 + 12n - 5 + 8n^3$ are added to form the polynomial $16n^3 + 13n^2 + 7n - 10.$

To find two polynomials that have a sum of $16n^3 + 13n^2 + 7n - 10.$

Add the coefficients of the corresponding terms in each polynomial and see if they match the coefficients of the given polynomial.

In the given options, let us consider two polynomials:

$8n^3 - 5n +11n^2 - 5$ and $2n^2 + 12n - 5 + 8n^3$

Add these two polynomials:

$8n^3 - 5n +11n^2 - 5 + 2n^2 + 12n - 5 + 8n^3$

Group the like terms:

$8n^3+8n^3+11n^2+2n^2-5n+12n-5-5$

Combine like terms:

$16n^3 + 13n^2 + 7n - 10.$

Hence, the two polynomials that have a sum of $16n^3 + 13n^2 + 7n - 10$ are $8n^3 - 5n +11n^2 - 5$ and $2n^2 + 12n - 5 + 8n^3$ . Option A and D are correct.

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Answers

Hi. I hope this helps!

I believe the answer is 330.26 left.

1. First you add 274 and 144.25

You get 388.25

2. The. You subtract the amount of the video game from 388.25

You get 330.26

I hope this helps! Have a great day!

a test has 25 questions and is worth a total of 100 points. it consists of multiple choice that are worth 8 points each and short answer that are worth 3 points each. how many multiple choice are there on the test?

Answers

Answer:

Step-by-step explanation:

8*5=40 and then 20 short answer that are 3 each. that makes up the rest of the 60 points

Answer:

There would be 5 multiple choice questions

Step-by-step explanation:

5x8=40

20x3=60

25 questions for total of 100 points

Solve h = −16t2 + 36t + 4.

Answers

I can do each of the things I asked above.
So, let's change this into vertex form:
$h=-16t^2+36t+4$
$h=(-16t^2+36t)+4$
$h=-16(t^2-2.25t)+4$
$h=-16(t^2-2.25t+1.27-1.27)+4$
$h=-16(t^2-2.25t+1.27)+20.32+4$
$h=-16(t-1.125)^2+24.32$
The vertex is at (1.125,24.32)
Answers may vary due to rounding

Factored Form:
$h = -16t^2 + 36t + 4$
$h = -4\left(4t^2-9t-1\right)$

Quadratic Formula:
$x = (-b +/- √(b^2-4(a)(c)))/(2a)$
h = -16t^2 + 36t + 4
a = -16 b = 36 c = 4
$h = (-(36) +/- √((36)^2-4(-16)(4)))/(2(-16))$
$h = (-36 +/- √(1552))/(-32)$
$h = ≈-0.11$
$h = ≈2.36$

What is the slope of -5/8 and goes through the point (2,-3)

Answers

The answer is -11/7 as a mixed number it is( -1 4/7)

To celebrate the first day of school, Reagan brought in a tray of caramel brownies and walnut brownies. The tray had a total of 20 brownies, of which 10% were caramel. How many caramel brownies did Reagan bring?

Answers

Answer:

2 were caramel

Step-by-step explanation:

The tables below show four sets of data: Set A
x 1 2 3 4 5 6 7 8 9
y 10 9 8 7 6 5 4 3 2
Set B
x 1 2 3 4 5 6 7 8 9
y 3 4 5 6 7 8 9 10 11

Set C
x 1 2 3 4 5 6 7 8 9
y 8 6 5 4 3.5 3 2.5 2 2
Set D
x 1 2 3 4 5 6 7 8 9
y 1 2.5 2.5 3 4 5 6 8 9

For which set of data will the scatter plot represent a negative linear association between x and y? (4 points)

Set A
Set B
Set C
Set D

Answers

Answer:

Hence, the set that represent a negative linear association between x and y is:

Set A.

Step-by-step explanation:

We are given 4 sets of data as:

Set A

x 1 2 3 4 5 6 7 8 9

y 10 9 8 7 6 5 4 3 2

Set B

x 1 2 3 4 5 6 7 8 9

y 3 4 5 6 7 8 9 10 11

Set C

x 1 2 3 4 5 6 7 8 9

y 8 6 5 4 3.5 3 2.5 2 2

Set D

x 1 2 3 4 5 6 7 8 9

y 1 2.5 2.5 3 4 5 6 8 9

We are asked to determine the set which represent negative linear association between x and y?

Clearly in Set B and Set D the values of y keeps on increasing as the value of x increases; hence they both represent a positive linear association between x and y.
In set C the relationship is non-linear though it is negative.
Clearly in Set A we could see that the the y is related to x as:

y=11-x or y= -x+11.

Hence, clearly we could see that the relationship is linear and also negative as the value of y keeps on decreasing with increasing x.

Hence, the set that represent a negative linear association between x and y is:

Set A.

Answer:

it is set a

Step-by-step explanation:

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