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nignag [31]
3 years ago
8

8.2z^2+2.1+7z-0.1-4z+z^2

Mathematics
1 answer:
Mariulka [41]3 years ago
4 0
Answer: 3z^2 + 3z +2
Hope this helps : )
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I’m confused on this and i just moved from schools so
Elina [12.6K]

Answer:

(-2,3)

Step-by-step explanation:

The point where two lines cross should be your answer!!!

(-2,3) is where the two lines meet/cross!!

That is the definition of a system on a graph!

-Where two lines meet/cross!!

6 0
2 years ago
What is the expectation for a binomial distribution with p = 0.5 and n = 8?
Natasha2012 [34]

Answer: 4

Step-by-step explanation:

Given the following :

P = probability of success = 0.5

n = number of trials = 8

The expected value of a binomial distribution with probability of success P and number of trials n is defined by:

E(n, p) = n * p

Therefore, expected value when P = 0.5 and n = 8

E(8, 0.5) = 8 × 0.5

= 4

The expected value of the binomial distribution is 4

8 0
3 years ago
The electrician charges $50 per visit plus $12 per hour of work. Steve hires the electrician to do some work for his house. If S
TEA [102]

Answer:

12.5 hours

Step-by-step explanation:

budget: 200

fix cost: 50

hourly rate: 12

hours: ?

----

First we deduct the fix 50 dollars cost from the total budget.

Then we divide the remaining amount with the hourly rate

( 200 - 50 ) / 12 = ?

? = 12.5 hours

8 0
3 years ago
Please help me. Thank you. I appreciate it :)
puteri [66]

Step-by-step explanation:

the answer should be 18

7 0
3 years ago
Read 2 more answers
(DONT ANSWER UNLESS UR IN MY FRIEND GROUP AND WANT ALOT OF NOTIFS) <br> Solve: 23x-44+45/23
Pie

Answer:

69

Step-by-step explanation:

the answer is 69 bc it is correct

3 0
3 years ago
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