3 years ago

What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2

1 answer:

4 0

Hello :
-5^4+4n^2-n+5 : the coefficient of n^2 is : 4<span>
7n^4-5n^3-9n^2+3n+2 : </span><span>he coefficient of n^2 is :-9</span>

You might be interested in

Help please help please

Colt1911 [192]

Answer:

+7 or 7

Step-by-step explanation:

an integer is a whole number. So the question asks what whole number represent this real world situation. A positive charge to an atom can not be represent by a negative number (number below zero). Therefore, it has to be positive.

3 0

2 years ago

Read 2 more answers

What is equivalent to 5 squared times 9 squared

Pepsi [2]

Answer:

2,025

Step-by-step explanation:

5 squared is 5x5 = 25

9 squared is 9x9 = 81

25x81 = 2,025

4 0

3 years ago

What two numbers round to 8.21 when rounded to the nearest hundredth

jeyben [28]

8.213, 8.214 just add 1 hundred to the end

8 0

3 years ago

Please help need it quick will give brainliest thanks

Norma-Jean [14]

Use the Pythagorean theorem:

$x^2+8^2=11^2\\\\x^2+64=121\ \ \ |-64\\\\x^2=57\to x=\sqrt{57}\\\\x\approx7.5$

Answer: C. 7.5

8 0

3 years ago

Read 2 more answers

What is the Y intercept of the line described for the equation below?y=4x-9

Vladimir [108]

Answer: Assuming that it's already in the standard form - y=mx+b | Your Y-Intercept is going to be -9

Step-by-step explanation:

Using the equation y=mx+b, anything that is in place of the (b) is your Y-Intercept and your slope is (m)

8 0

3 years ago

Read 2 more answers