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OverLord2011 [107]
2 years ago
15

Solve for z: 10 = 2 = -25(4z -3)​

Mathematics
2 answers:
Anton [14]2 years ago
5 0

Answer:

z = 13/20

Step-by-step explanation:  

The steps are in the pictures below!

Alex777 [14]2 years ago
4 0
I think z is 13/20 good luck!
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7 0
3 years ago
Please help asap 20 pts
eduard
The discriminant explains how many solutions the quadratic function has. It is found using this formula:

b^2-4ac

Using the formula, there are three rules. Let's say the discriminant=d:
d<0 - No solution ø
d=0 -ONLY 1 solution
d>0 -2 solutions

In the following graph, there are no solutions as the graph does not hit the x-axis at any point. Thereafter, the discriminant MUST be less than zero. Let's view the options check which one agrees with our answer.

A - Discriminant is greater than 0, which means two solutions. This is WRONG.
B - Discriminant is less than 0, which means no solutions. CORRECT!
C- Discriminant is equal to 0, which means one solution. WRONG!

Your answer is B.
7 0
2 years ago
Please help thanks very much
erik [133]
X/(x+5) = (x-2)/(x+1)
x(x+1) = (x -2) (x + 5)
x^2 + x = x^2 - 2x + 5x - 10
 x = 3x - 10
3x - x = 10
2x = 10
  x = 5

answer is A
5

4 0
3 years ago
I need help with this ​
LuckyWell [14K]

Answer:

1st - Yes ; 2nd - Yes ; 3rd - Yes ; 4th - No

Step-by-step explanation:

8 0
3 years ago
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