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Harman [31]
3 years ago
15

Marta simplified this expression.

Mathematics
1 answer:
adoni [48]3 years ago
8 0

Answer:

  • Step 1

Step-by-step explanation:

<u>Marta made a mistake at step 1</u>

  • 4 log₅ x = log₅ 4x - wrong
  • 4 log₅ x = log₅ x⁴ - correct

<u>Property to be used </u>

  • a log b = log aᵇ
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Consider the function f(x) = x2 + 2x – 35. If one of the zeros of the
Whitepunk [10]

If one zeros is x= -7 then the other zero is x=5

Step-by-step explanation:

We are given the function: f(x) = x^2 + 2x-35

If one zeros of the function is x=-7 we need to find other zero of the function.

We can find zeros of the quadratic equation by factorizing the equation

f(x) = x^2 + 2x-35

Factorizing the quadratic equation:

x^2 + 2x-35=0\\x^2-5x+7x-35=0\\x(x-5)+7(x-5)=0\\(x+7)(x-5)=0\\x+7=0\,\,and\,\,x-5=0\\x=-7\,\,and\,\,x=5

So, if one zeros is x= -7 then the other zero is x=5

Keywords: Solving Quadratic Equation

Learn more about Solving Quadratic Equation at:

  • brainly.com/question/10771256
  • brainly.com/question/2568692
  • brainly.com/question/1332667

#learnwithBrainly

8 0
3 years ago
Find the value of :[5x+y+z][5x+y+z][5x+y+z]
KIM [24]

Answer:

Step-by-step explanation:

(a + b + c)³ = a³ + b³ + c³ + 3a²b + 3a²c + 3ab² + 3cb² +3 ac² + 3bc² + 6abc

a = 5a  ;  b =y   ; c = z

(5x + y + z)(5z + y + z )(5z + y +z) = (5x + y +z)³

= (5x)³ + y³ +z³ + 3(5x)²y + 3(5x)²z + 3(5x)*y² + 3*z*y² + 3*5x*z² + 3*y*z² + 6*5x*y*z

= 125x³ + y³ +z³ + 3*25x²y + 3*25x²*z + 15xy² + 3zy² + 15xz² + 3yz² + 35xyz

= 125x³ + y³ + z³ + 75x²y + 75x²z + 15xy² + 3zy² + 15xz² + 3yz² + 35xyz

6 0
3 years ago
Can you help me please? I would appreciate it ❤️❤️
lianna [129]
The answer is 9
You divide 143 % 11 to get 13. 13 is the number they make an hour, so if you divide 117 % 13 you will get 9.
8 0
3 years ago
Find the volume of this solid.
bija089 [108]

Answer:

Step-by-step explanation:

area of side surface=50×20+20×35=1000+700=1700 m²

voume of solid=1700×12=204,00  m³

6 0
3 years ago
What plus what would equal 3744
Murrr4er [49]

1872 + 1872

answers have to be more than 20 characters to post so um..

ELRIS COMEBACK 26/02

4 0
3 years ago
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