Which expression is equivalent to x4 -y4

Answers

Answer 1

Answer: factorise

in this case the common factor is 4
so, 4(x-y)

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Yesterday, Julie’s bank account balance was –$10.28. She deposited some money into her account so that her balance is now $39.89.How much did she deposit into her account? A.$50.17 B.$39.00 C.$29.72 D.$10.00
Explain one thing you need to be careful with when writing a proportion.
Which graph of f(x) = 1/4(4)c?
Rewrite 7(40 + 2) as the sum of two products.

Find the length of BC.
A)8
B)12
C)16
D)18

Answers

Answer:

i think its A (edit: im gonna take that back because i was looking at the wrong side, logically it is 12)

Step-by-step explanation:

Answer:

B. 12

Step-by-step explanation:

logically speaking is 12

Which pattern could be used to create the sequence?400, -200, 100, -50, 25
a) Multiply the previous term by -2
b) Divide the previous term by -2
c) Subtract 600 from the previous term
d) Add -200 to the previous term

Answers

As you are given multiple choice, you can use trial and error with each of the answers. You can see that with each number the sign before it is reversed (so it goes even, odd , even , odd etc.) and the numbers are halved each time.
The answer is B) because you are dividing by 2 each time, and changing the sign before the number.

The answer would be b. It is b because if you do 400 divided by -2 is -200 and then you just keep dividing by -2

Find the product.
8y 3(-3y 2)

Answers

8y³(-3y²)
-24y³⁺²
-24y⁵

Perform the indicated operation and write and standard form. -7i(6i-3)

Answers

-7i (6i - 3)

Perform the distributed multiplication to eliminate the parentheses:

-7i (6i) - 7i (-3) = -42i² + 21i

IF i = √-1 , then the expression is equal to (42 + 21i) or 21(2 + i) .

$-7i(6i-3)=\n -42\cdot(-1)+21i=\n 42+21i$

Is .32903 greater than 0.59

Answers

No, .32903 is not greater than 0.59

It does not matter how long is the number after the point. As 5 is bigger than 3, 0.32903 is smaller than 0.59

Determine whether each expression is meaningful as a real number yes or no? -√9

Answers

$Yes\ -\sqrt9\ is\ real\ number\n\n-\sqrt9=-3\ is\ integer\ number\n\n-√(a)\in\mathbb{R}\ for\ any\ a\geq0$

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Explain how to do the factor tree for 75

Which statement describes the graph of the system of equations below? 1.5x + 0.2y = 2.68 1.6x + 0.3y = 2.98

The point at which a company's profits equal zero is called the company's break-even point. let R represent a company's revenue, let C represent the company's costs, and let x represent the number of units produced and sold each day.R(x)=12x C(x)=6.5x+22000 a) Find the firm's break-even point; that is, find x so that R=C b) Find the values of x such that R(x)>C(x). this represents the number of units that the company must sell to earn a profit.