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riadik2000 [5.3K]
3 years ago
11

25 for you please, just help me please

Mathematics
1 answer:
dedylja [7]3 years ago
6 0
289 cash 5 dollars 69 cap
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What is the unit rate of 5/4 square yards per 1/3 hour??????
Citrus2011 [14]
(5/4 yd^2)/ (1/3 hour)= 15/4 yd^2/hour.

The unit rate is 3 3/4 yd^2/hour~
5 0
3 years ago
Prove algebraically that n^2-2-(n-2)^2 is always even
Juliette [100K]

Answer:

It is even because it is equal to 2(2n-3) so you can divide it by two and get (2n-3)

Step-by-step explanation:

{n}^{2}  - 2 - ( {n}^{2}  + 4 - 4n) =  \\  {n}^{2}  - 2 - {n}^{2}   - 4  +  4n = \\ 4n - 6 = 2(2n - 3)

6 0
2 years ago
Read 2 more answers
Select the correct answer. Let f(x) and g(x) be polynomials as shown below. <br>​
tia_tia [17]

Answer:

f(x) and g(x) are closed under multiplication because when multiplied, the result remains a polynomial.

Step-by-step explanation:

First, to be closed means that once an operation has commenced, the result is a polynomial, just like the two original ones.

When polynomials are multiplied, exponents simply add together, and constants are multiplied. A polynomial is a finite sum of terms in which all variables have whole numbered exponents.

In this scenario, when we multiply polynomials, exponents are solely added together, and one whole number plus another is still a whole number. Similarly, constants multiplied by constants stay as constants, and constants multiplied by variables keeps it in polynomial form. (e.g. 3 * x² makes it 3x², and 3x² is fine in a polynomial).

Therefore, given these facts, f(x) and g(x) are closed under multiplication because when multiplied, the result remains a polynomial.

7 0
3 years ago
The question is in the pic
tigry1 [53]

Answer:

the last one: yes it can, because -4.5 lies to left of -3.5

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
I've been given this for maths and I have no clue what to do can someone help me out?​
Dmitry [639]
Maths makes no sense sometimes i swear
6 0
3 years ago
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