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Dovator [93]
3 years ago
9

!50 POINTS!

Mathematics
1 answer:
Strike441 [17]3 years ago
6 0

Answer:

  • A. 0

Step-by-step explanation:

<u>Given inequality:</u>

  • 6 > z(10 - z)

<u>Solution:</u>

  • 6 > 10z - z²
  • z² - 10z + 6 > 0
  • z² - 10z + 25 > 19
  • (z - 5)² > 19
  • z - 5 > √19 ⇒ z > 5 + √19 ⇒ z > 9.35
  • z - 5 < - √19 ⇒ z < 5 - √19 ⇒ z < 0.64

The only number satisfying this inequality is 0.

Correct choice is A

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Alexeev081 [22]
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Those are a few answers for you. Try looking back at your notes (If you copied any) to figure out your problems :)
4 0
3 years ago
Read 2 more answers
I dont get this question.
SashulF [63]
It is 12 - 2/3 = 18, then solve :)
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8 0
3 years ago
Please help me out on this problem
givi [52]

Answer:

-3

Step-by-step explanation:

First step to this is to replace the variables with their coordinated values. Remember to use parentheses.

4(2)-2(2+4)+1=?

We can start to simplify.

4(2)-2(6)+1

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8-12+1

-4+1

Final Answer (-3)

5 0
2 years ago
Question 2..plz help meee​
Art [367]

refer to the attachment

7 0
2 years ago
Select the best equation needed to solve for x; then solve for x:
Natali [406]

Step-by-step explanation:

A. 5x=12x-14

you will  simplify the equation to the form, which is simple to understand  

5x=12x-14

We move all terms containing x to the left and all other terms to the right.  

+5x-12x=-14

We simplify left and right side of the equation.  

-7x=-14

We divide both sides of the equation by -7 to get x.  

x=2

B.   5B+12=BB=28

you will  move all terms to the left:

.5B+12-(BB)=0

you will  move all terms containing B to the left, all other terms to the right

.5B-BB=-12

7 0
2 years ago
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