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OleMash [197]
3 years ago
9

How many solutions does this equation have. 3 (4x-5) = 6x+15

Mathematics
1 answer:
svet-max [94.6K]3 years ago
8 0

Answer:

6 or 7 depends if you simplify

Step-by-step explanation:

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Simplify this equation 7x+3x-10
DerKrebs [107]
<span>Simplify this equation 7x+3x-10:

</span><span>7x + 3x - 10 = 10x - 10

<u>Hope his answer helps you!!!</u>
</span>
<em>Ps: Please mark Brainliest so I can Rank up higher! I'm almost there!!</em>

7 0
3 years ago
Given that f.x 3x-2 over x+1 g[x] x +5 evaluate f[-4] and gf [-2]
Jobisdone [24]

The value of f[ -4 ] and g°f[-2] are \frac{14}{3} and 13 respectively.

<h3>What is the value of f[-4] and g°f[-2]?</h3>

Given the function;

  • f(x) = \frac{3x-2}{x+1}
  • g(x)=x+5
  • f[ -4 ] = ?
  • g°f[ -2 ] = ?

For f[ -4 ], we substitute -4 for every variable x in the function.

f(x) = \frac{3x-2}{x+1}\\\\f(-4) = \frac{3(-4)-2}{(-4)+1}\\\\f(-4) = \frac{-12-2}{-4+1}\\\\f(-4) = \frac{-14}{-3}\\\\f(-4) = \frac{14}{3}

For g°f[-2]

g°f[-2] is expressed as g(f(-2))

g(\frac{3x-2}{x+1}) =  (\frac{3x-2}{x+1}) + 5\\\\g(\frac{3x-2}{x+1}) =  \frac{3x-2}{x+1} + \frac{5(x+1)}{x+1}\\\\g(\frac{3x-2}{x+1}) =  \frac{3x-2+5(x+1)}{x+1}\\\\g(\frac{3x-2}{x+1}) =  \frac{8x+3}{x+1}\\\\We\ substitute \ in \ [-2] \\\\g(\frac{3x-2}{x+1}) =  \frac{8(-2)+3}{(-2)+1}\\\\g(\frac{3x-2}{x+1}) =  \frac{-16+3}{-2+1}\\\\g(\frac{3x-2}{x+1}) =  \frac{-13}{-1}\\\\g(\frac{3x-2}{x+1}) =  13

Therefore, the value of f[ -4 ] and g°f[-2] are \frac{14}{3} and 13 respectively.

Learn more about composite functions here: brainly.com/question/20379727

#SPJ1

6 0
2 years ago
Wilson's brother earns $185 each month working an after-school job. What is the total amount of money he will earn after
prisoha [69]
185 • 12 = $2,220
So your answer is $2,220
6 0
3 years ago
Х<br> Area of trapezoids<br> Find the area.<br> 6 cm<br> 3 cm<br> 3 cm<br> square centimeters
rodikova [14]

Answer:

13.5 this is the awnser hope it helps

6 0
2 years ago
What does rhumbus and rectangle have in common?
alina1380 [7]
The four sides to create the square
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3 years ago
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