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3 years ago

Read the passage from "Annabel Lee.”

Mathematics

1 answer:

Ivenika [448]3 years ago

6 0

I would say loneliness, because she is taken by a kings men .. and it’s not him

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Juan needed 2 cables of different lengths for his home

nexus9112 [7]

Answer:

the length of the longer piece of cable is 24 ft

Step-by-step explanation:

shor piece = s

Long piesce = s+9

s + s+9= 39

2s = 30

s = 15

short = 15

15 +9 = 24

long = 24

15+24 = 39

3 0

3 years ago

Read 2 more answers

Pls help ill give u brainliest

Monica [59]

Answer:

Answers:

Rate of change = -5

Initial value = 25

Step-by-step explanation:

Each time x increases by 2 (eg from x = 1 to x = 3), the value of y drops by 10 (eg from y = 20 to y = 10)

Therefore the slope is...

slope = rise/run = (change in y)/(change in x) = -10/2 = -5

slope = -5

So each time x increases by 1, y will decrease by 5

Flip things around: each time x decreases by 1, y will increase by 5

So the pair (x,y) = (1,20) shown in row 1 of the table leads to (0,25) based on the rule above. Another way to see this is to plug m = -5, x = 1 and y = 20 into y = mx+b and solve for b to get b = 25

8 0

3 years ago

What is the degree of...?

alukav5142 [94]

Answer:

D 6

Step-by-step explanation:

note that (f ￮ g)(x) = f(g(x))

To evaluate f(g(x)) substitute x = g(x) into f(x)

f(g(x)) = f(4x³ + 1)

= 3(4x³ + 1)²

= 3(16 $x^{6}$ + 8x³ + 1)

= 48 $x^{6}$ + 24x³ + 3 ← polynomial of degree 6

The degree of a polynomial is the value of the largest exponent, that is 6

7 0

3 years ago

Write the partial fraction decomposition fro the ration expression below

zlopas [31]

$\dfrac{5x-2}{(x-1)^2}=\dfrac a{x-1}+\dfrac b{(x-1)^2}$
$5x-2=a(x-1)+b$

Since $5x-2=5x-5+3=5(x-1)+3$ , it follows that $a=5$ and $b=3$ , so

$\dfrac{5x-2}{(x-1)^2}=\dfrac5{x-1}+\dfrac3{(x-1)^2}$

$\dfrac{x^3+x^2+x+2}{x^4+x^2}=\dfrac{x^3+x+x+2}{x^2(x^2+1)}=\dfrac ax+\dfrac b{x^2}+\dfrac{cx+d}{x^2+1}$
$x^3+x^2+x+2=ax(x^2+1)+b(x^2+1)+(cx+d)x^2$
$x^3+x^2+x+2=(a+c)x^3+(b+d)x^2+ax+b$

When $x=0$ , you find that $b=2$ . It's also clear that $a=1$ . So the remaining constants must be $1+c=1\implies c=0$ and $2+d=1\implies d=-1$ , and so you get

$\dfrac{x^3+x^2+x+2}{x^4+x^2}=\dfrac1x+\dfrac2{x^2}-\dfrac1{x^2+1}$

6 0

4 years ago

Twenty decreased by 2 times a<br> number is the same as 10 less<br> than 3 times the number.

Zinaida [17]

Answer:

Step-by-step explanation:

4 0

3 years ago