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netineya [11]
2 years ago
13

True of False:the following polynomial is written in standard form 2x^4-x^3+5x^2+x-7

Mathematics
1 answer:
djyliett [7]2 years ago
3 0
The following polynomial is not written in standard form so it is false
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What are the steps to this problem (and the answer?)
Svetradugi [14.3K]

Answer:

(25 {x}^{2}  + 20xy + 16 {x}^{2} )(5x - 4y) =  \\ 125 {x}^{3}  + 100 {x}^{2} y + 80x {y}^{2}  - 100 {x}^{2} y  \\ - 80x {y}^{2}  - 64 {y}^{3}  =  \\ 125 {x}^{3}  - 64 {y}^{3}  \\ please \: give \: brainliest

5 0
3 years ago
Help please look below
Gwar [14]
A is located, as you look A is past -2 almost hitting -3 making the mark 2.8 so the answer is A
3 0
2 years ago
A palindrome is a number that reads the same forward and backward. For example, 2442 and 111 are palindromes. If 5-digit palindr
Verdich [7]

Answer:

27

Step-by-step explanation:

Let the 5 digit palindrome formed from 1,2,3,4,5 be represented as XYZXY

Possible outcomes of X are 1,2,3 which give 3 possible outcomes

Possible outcomes of Y are 1,2,3 which also gives 3 possible outcomes

Possible outcomes of Z are 1,2,3 which will give 3 possible outcomes.

The total possible outcome = 3*3*3

= 27

6 0
3 years ago
If a and b are integers and 12a = 25b, does 12 | b? does 25 | a? explain.
arlik [135]
12a=25b

a \div b = 25 \div 12
a=25
b=12
4 0
3 years ago
If we are given x such that 25^x-9^y=18 and 5^x-3^y=3, compute 5^x+3^y.
leonid [27]

25 = 5*5 and 9 = 3*3, which we can exploit to write

25^x-9^y=(5^2)^x-(3^2)^y=5^{2x}-3^{2y}=(5^x)^2-(3^y)^2

so that this expression is actually a difference of squares. We can factorize this to get

(5^x-3^y)(5^x+3^y)=18

and given that 5^x-3^y=3, we divide both sides by this to get

5^x+3^y=\dfrac{18}3=\boxed{6}

7 0
3 years ago
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