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Vikentia [17]
4 years ago
6

Need more help - Attached image

Mathematics
2 answers:
Naily [24]4 years ago
7 0

Answer:

D. 10x^7 + 7x^5 -2x + 9

Step-by-step explanation:

Like terms: 7x^7 and 3x^7 = 10x^7

                  5x^5 and 2x^5 = 7x^5

                  -3x and x\\ = -2x

                  7 and 2 = 9

The answer would be: 10x^7 + 7x^5 - 2x + 9

Therefore, it is <u>option D</u>

Your Welcome! Vote me brainliest!!!

mylen [45]4 years ago
4 0

Answer:B

Step-by-step explanation:

You might be interested in
​<br><br> y=3x+2<br> y=3x−6<br> ​<br> how many solutions does the system have
Romashka-Z-Leto [24]

Answer:

no solutions

Step-by-step explanation:

The lines are parallel since they have the same slope

y = mx+b where m is the slope

They have different y intercepts (b)

The will never intersect so they have no solutions

5 0
3 years ago
a certain virus infects one in every 600 people. a test used to detect the virus in a person is positive 90% of the time if the
Alona [7]
  1. the probability that a person has the virus given that they have tested positive is  0.0151.
  2. the probability that a person does not have the virus given that they have tested negative is  0.9999

P(A) = 1/600 = 0.0017

P(B) = 0.9 * 0.0017 + 0.1 * (1 - 0.0017) = 0.1014

A) P (has the virus | tested positive) = P (tested positive | has the virus) ×  

                                                          P (has the virus)/ P (tested positive)

                                                         = 0.9 × 0.0017/0.1014  

                                                         = 0.0151

B) P (does not have the virus | tested negative) = P (tested negative | does not have the virus) × P (does not have the virus)/ P (tested negative)

= (1 - 0.1) *× (1 - 0.0017)/ (1 - 0.1014)  

= 0.9999

Probability is the department of mathematics regarding numerical descriptions of ways likely an occasion is to occur, or how possibly it's far that a proposition is genuine. The possibility of an occasion varies between zero and 1, wherein, roughly speaking, 0 suggests the impossibility of the occasion and 1 shows certainty. The better the possibility of an event, the more likely it is that the event will arise.  

A simple instance is the tossing of an honest (unbiased) coin. since the coin is truthful, the 2 results ("heads" and "tails") are both equally likely; the possibility of "heads" equals the chance of "tails"; and considering the fact that no different results are feasible, the possibility of both "heads" or "tails" is 1/2 (that could additionally be written as 0.5 or 50%).

To learn more about Probability visit here:

brainly.com/question/11234923

#SPJ4

6 0
2 years ago
What is 80 plus 100 what does it equal!
Ad libitum [116K]

Answer:

180

Step-by-step explanation:

80 + 100 = 180

Mark me brainliest :)

7 0
3 years ago
Read 2 more answers
Find the X and Y intercepts of the equation: 3x-4y=12. MUST SHOW ALL WORK!!!!!!
Sphinxa [80]
Y=mx + b
3x-4y=12
4y=3x-12
y=3/4x-3

when x = 0, y = -3
when y = 0, x = 4

Hope this helps.
8 0
3 years ago
Read 2 more answers
Hoping someone can help me. <br> Will give Brainliest for the RIGHT answer!
V125BC [204]

Answer:

  It does not converge.

Step-by-step explanation:

The ratio between terms is 3/2, which is greater than 1, so the sum cannot converge. Each term added to the sum is larger than the one before it.

8 0
3 years ago
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