2 years ago

Find the sum of 4x3 + 2x2 - 4x + 3 and 7x3 -4x2 + 7x + 8.

Mathematics

2 answers:

kvasek [131]2 years ago

8 0

Answer:

11x^3-2x^2+3x+11

Step-by-step explanation:

Should be the answer :)

miskamm [114]2 years ago

4 0

Here,
= 12 + 4 - 4X + 3 + 21 - 8 + 7X + 8
= 40 + 3X

May be helpful
thank you

You might be interested in

In general, as sample size increases Group of answer choices the standard error increases in size the standard error decreases i

Vikki [24]

Answer:

98.9

Step-by-step explanation:

98.9

4 0

2 years ago

Simplify the expression. Explain each step. - q•3

Sveta_85 [38]

Answer:

-3q

Step-by-step explanation:

-q is actually -1q so you just divide 3 by -1 and get -3q

8 0

2 years ago

The line segment joining the points A(2,1) and B(5,-8) is trisected at the points p and q such that p is nearer to A. If p also

SpyIntel [72]

Answer:

k = -8

Step-by-step explanation:

The location of P is ...

P = (2A+B)/3 = (2·2+5, 2·1-8)/3 = (3, -2)

Putting this point into the equation for the line, we have ...

2(3) -(-2) +k = 0

8 +k = 0

k = -8

3 0

2 years ago

Read 2 more answers

Trevor solved the system of equations below. What mistake did he make in his work?

wariber [46]

2x + y = 5

x − 2y = 10

y = 5 − 2x

x − 2(5 − 2x) = 10

x − 10 + 4x = 10

5x − 10 = 10

add 10 to each side

5x-10+10 = 10 + 10

5x=20

5x = 0 this is the error

He needs to add 10 to each side

7 0

2 years ago

Write as a decimal: 31%

algol [13]

Answer: 0.31 is the decimal form of 31%

Step-by-step explanation:

3 0

2 years ago