(2+2)^5 + (8+3)^5 Divided by 10?

Answers

Answer 1

Answer: Exact form: 32415/2
Decimal form: 16207.5

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The Jung family travels 300 km to a relative's home. The distance, d, in kilometres, varies directly with the time, t, in hours. a) Find an equation relating d and t if d=144 when t=1.5. What does the constant of variation represent?

b) Use the equation to determine how long it will take the Jungs to reach their destination.

Answers

The distance, d, in kilometers, varies directly with the time, t, in hours.

d = Kt
K is the constant of proportionality .

K = d/t

a) K = 144/1.5
= 96 Km/h
K shows the speed.

b) t = d/K
= 300/96
t = 3.125 hours

7. Which of the following relations is a function?A.{(2, 3), (-2, 3), (3, 2), (-3,-2)}
B.{(8,-4), (-4, 8), (-4, -8), (-8,4)}
C.{(9, -1), (-1, 9), (9, 2), (2, -1)}
D.{(5, -7), (4, 6), (-3, 8), (5,9)}

Answers

A function means that each x can only have one y-value

B, C, and D are NOT functions because they have x-values that have multiple y-values.

For example

B. has two values for -4:

(-4, 8) and (-4, -8)

C. has two values for 9:

(9, -1) and (9, 2)

D. has two values for 5:

(5, -7) and (5, 9)

This makes A. the only function

Hope this helped!

~Just a girl in love with Shawn Mendes

Write x^3-x^2-6x in factored form

Answers

x^3 - x^2 - 6x

x(x^2 - x - 6) =
x(x + 2)(x - 3) <===

Suppose you want to factor the expression x2 + 2xn+n?. Given that n>0, what are the factors? Explain.Select the correct answer below and, if necessary, fill in the answer box to complete your choice.

O A. The value of n can be any positive integer resulting in the same factor

O B. The value of n can be any positive integer resulting in the distinct factors

(Use a comma to separate answers as needed.)

O C. The value of n can be any prime integer resulting in the same factor

O

D. The value of n can be any prime integer resulting in the distinct factors

(Use a comma to separate answers as needed.)

O E. The expression cannot be factored for the given values of n.

Answers

Answer:

A. The value of n can be any positive integer resulting in the same factor

Step-by-step explanation:

Given

$x^2 + 2xn + n^2$ --- the right expression

$n > 0$

Required

Possible values of n

$x^2 + 2xn + n^2$

Expand

$x^2 + 2xn + n^2 = x^2 + xn+xn + n^2$

Factorize

$x^2 + 2xn + n^2 = x(x + n)+n(x + n)$

Factor out $x + n$

$x^2 + 2xn + n^2 = (x + n)(x + n)$

From the expression above, we can see that the result has the same factor. This means that options (b), (d) and (e) are not possible

$x^2 + 2xn + n^2 = (x + n)^2$

The above also shows that n can take any positive value.

Hence: (a) is correct

00:00Lara and her brothers are painting a wall. Lara paints 2/8 of the wall.
Chuck and Max each 3/8 paint of the wall. How much of the wall do they paint all together?
Enter your answer in the box.

of the wall

Answers

Answer:

2/8 + 3/8 +3/8 = 8/8

They finished the wall

What is bigger 3 quarters or 5 eighths

Answers

Answer

3 quarters

Step-by-step explanation:

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A music festival charges $54.95 per ticket sold on the day of the event. A ticket purchases before the festival costs only $39.95. They were 20,000 tickets sold for a total of 925,000. How many tickets did they sell at the music festival? How many tickets do they sell before the music festival?

Divide, if possible. Check each answer. -144-:18

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