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Viefleur [7K]
2 years ago
10

The solution of -2x + 13 <9 is

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
8 0
Inequality form: x > 2
Interval notation: (2, ∞ )
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Given that -15 is a root of x² +mx +45 = 0 find the constant m​
o-na [289]

Answer:

m = 18

Step-by-step explanation:

Given :

=> -15 is a root of the polynomial

=>  It is a zero to the solution.

Process :

Substitute -15 in place of x.

=> (-15)² + (-15)m + 45 = 0

=> 225 + 45 - 15m = 0

=> 15m = 270

=> m = 270/15

=> m = 18

5 0
2 years ago
If 3t-7=5t, then 6t =
Natalija [7]
The answer is:  " -21 " .
__________________________________________
We are asked to solve for: "6t" ; which is: "6 * t" .
__________________________________________
Given:  3t − 7 = 5t ;  Solve for "t" ; then solve for "6t" ;

     3t − 7 = 5t ;   Subtract "3t" from each side of the equation;
____________________________________________
    3t − 7 − 3t  =  5t − 3t ;

to get:  -7  = 2t  ;

Divide EACH side of the equation by "2" ; to isolate "t" on one side of the equation; and to solve for "t" ;

-7/2 = 2t / 2 ;

-3.5 = t  ;  ↔  t = - 3.5 ;
____________________________________________
Now, solve for "6t" ;

  6 t = 6*(-3.5) = - 21 .   The answer is:  " -21 " .
____________________________________________
6 0
3 years ago
Which of the following equations has no solution?
soldier1979 [14.2K]

Answer:

B. 3x+5−4x=−(x+8)

Step-by-step explanation:pls mark me

3 0
2 years ago
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HELP WILL MARK BRAINLIEST
nexus9112 [7]

Answer:

Its B, y=-0.89x^2+3.24x+11.93

Step-by-step explanation:

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5 0
3 years ago
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Please help me. I can’t do it
Maslowich

Answer: A) -8

B) - 41

C) - 39

Step-by-step explanation:

6 0
2 years ago
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