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geniusboy [140]
4 years ago
14

How many solutions does the following system have?

Mathematics
1 answer:
SVETLANKA909090 [29]4 years ago
3 0
D. no solution
do you need an explanation?
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Perform the indicated operation. (y4 - 1) ÷ (y + 1)
olya-2409 [2.1K]

Factorize the numerator as a difference of squares:

y^4-1=(y^2-1)(y^2+1)=(y-1)(y+1)(y^2+1)

Then if y\neq-1, the y+1 factors will cancel:

\dfrac{y^4-1}{y+1}=(y-1)(y^2+1)=y^3-y^2+y-1

so the answer is B.

8 0
3 years ago
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Which is true [x]&gt;=x or [x]&lt;=x ?<br>​
Mademuasel [1]

Answer:

<u>[x] ≥ x</u>

Step-by-step explanation:

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2 years ago
What is the value of x?<br><br> A. 70.5<br> B. 58<br> C. 83<br> D. 50
katrin [286]
Hello,

x=1/2(141-25)
==>x=116/2
==>x=58°

4 0
4 years ago
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What is (2,5.4) across the y axis/reflected?
Luda [366]
Answer: (2,-5.4)
When I reflect across the y axis I keep the sign of x the same but change the sign of y
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Which statement correctly describes the function on a given interval?
yulyashka [42]

Answer:B !!!

Step-by-step explanation:

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