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Ivenika [448]
2 years ago
15

F(x) = 4x4- 7x+ 8x3 g(x) = 2x4+ x+ 5x2 Find g(x)- f(x)

Mathematics
1 answer:
Andrej [43]2 years ago
5 0

Answer: -2x^4-8x^3+5x^2+8x

Step-by-step explanation:

f(x)=4x^4-7x+8x^3\\g(x)=2x^4+x+5x^2

g(x)-f(x)

(2x^4+x+5x^2)-(4x^4-7x+8x^3)\\= 2x^4+x+5x^2-4x^4+7x-8x^3\\=-2x^4-8x^3+5x^2+8x

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Ive been stuck on this expression for a while now
natka813 [3]

Answer:

xy^(2)z^(6)

Step-by-step explanation:

i hope that helps  you :)

4 0
3 years ago
Evaluate the equation.<br> 3/5h = 18/35<br><br> A) h=6/7<br> B) h=7/8<br> C) h=9/10<br> D) h=98/105
rjkz [21]

Equations -

I like to find the decimal expression of the fractions, to make this easier.

0.6h = 0.514285714285

Divide each sides by 0.6

h = 0.857142857142 \: or \:  \frac{6}{7}

Answer: 6/7

3 0
3 years ago
Read 2 more answers
If m = 27 and n = 4, what is the value of the following expression?
wel

Answer:

2

Step-by-step explanation:

m - 5 • n + 5

plug it in

27- 5 * 4+5

well, we gotta follow PEMDAS (there are no parentheses)

5*4

20

now we have

27-20+5

20+5

25

27-25

2

4 0
2 years ago
What is 12/21 divided by 3/14
sladkih [1.3K]
To do this problem, you gotta cross-multiply. SO, \frac{12}{21} multiplied by \frac{14}{3}

12 times 14 = 168
21 times 3 = 63
Then the final answer is \frac{168}{3}
5 0
3 years ago
An elementary school class ran 1 mile in an average of 11 minutes with a standard deviation of 3 minutes. Rachel, a student in t
EleoNora [17]

Answer:

Rachel

Step-by-step explanation:

We need to measure how far (towards the left) are the students from the mean in<em> “standard deviations units”</em>.  

That is to say, if t is the time the student ran the mile and s is the standard deviation of the class, we must find an x such that

mean - x*s = t

For Rachel we have

11 - x*3 = 8, so x = 1.  

Rachel is <em>1 standard deviation far (to the left) from the mean</em> of her class

For Kenji we have

9 - x*2 = 8.5, so x = 0.25

Kenji is <em>0.25 standard deviations far (to the left) from the mean</em> of his class

For Nedda we have

7 - x*4 = 8, so x = 0.25

Nedda is also 0.25 standard deviations far (to the left) from the mean of his class.

As Rachel is the farthest from the mean of her class in term of standard deviations, Rachel is the fastest runner with respect to her class.

8 0
2 years ago
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