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Natasha_Volkova [10]
3 years ago
9

Omlll, I'm actually stuck rn xD If anyone can help,i'd appreciate it so much!! Tyssmm!!!!!

Mathematics
2 answers:
sweet [91]3 years ago
8 0

the second one lollollol

madam [21]3 years ago
7 0

Answer: it’s acute

Step-by-step explanation:

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9) Simplify 2x^5-6^2+4x^4y/2x
KonstantinChe [14]

Answer:

x^4+2x^3y-3x

Step-by-step explanation:

6 0
2 years ago
If line b is perpendicular to line a, and line c is perpendicular to line a, what is the slope of line c ?
Shalnov [3]
To answer this question, we must find the slope of line b.
 We have then:
 b = (3 - (- 2)) / (2 - (- 3))
 b = 5/5
 b = 1
 Since the lines b and c are parallel, it follows that their slopes are equal.
 Then
 mc = b = 1
 Answer:
 
The slope of line c is:
 mc = 1
8 0
3 years ago
Read 2 more answers
These roots of the polynomial equation x^4-4x^3-2x^2+12x+9=0 are 3,-1,-1. Explain why the fourth root must be a real number. Fin
Alex787 [66]

Roots with imaginary parts always occur in conjugate pairs. Three of the four roots are known and they are all real, which means the fourth root must also be real.

Because we know 3 and -1 (multiplicity 2) are both roots, the last root r is such that we can write

x^4-4x^3-2x^2+12x+9=(x-3)(x+1)^2(x-r)

There are a few ways we can go about finding r, but the easiest way would be to consider only the constant term in the expansion of the right hand side. We don't have to actually compute the expansion, because we know by properties of multiplication that the constant term will be (-3)(1)(1)(-r)=3r.

Meanwhile, on the left hand side, we see the constant term is supposed to be 9, which means we have

3r=9\implies r=3

so the missing root is 3.

Other things we could have tried that spring to mind:

- three rounds of division, dividing the quartic polynomial by (x-3), then by (x+1) twice, and noting that the remainder upon each division should be 0

- rational root theorem

4 0
3 years ago
Read 2 more answers
(06.01)The probability that an event will occur is 95%. Which of these best describes the likelihood of the event occurring? Lik
Elan Coil [88]

Answer:

Likely

Step-by-step explanation:

The probability of occurrence of a certain event Given as 95% has a high probability figure and hence such event is LIKELY to occur. We cannot class this probability percentage as certain because, an event which is certain to occur who'll have a probability percentage of 100% or a value of 1. Therefore, a probability percentage of 95% occurrence still has 5% Chace of not happening, hence it is only very likely to occur. Hence, the phrase which best describes the probability of an event with 95% probability happening is LIKELY.

3 0
2 years ago
Read 2 more answers
Solve the inequality for x.<br> Ex 1/2x - 2 &gt; 22
Tanya [424]

Answer:

x > 48

Step-by-step explanation:

Given

\frac{1}{2} x - 2 > 22 ( add 2 to both sides )

\frac{1}{2} x > 24 ( multiply both sides by 2 )

x > 48

7 0
3 years ago
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