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hjlf
2 years ago
13

What is Logarithms ?

Mathematics
1 answer:
Gre4nikov [31]2 years ago
8 0

Answer:

In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x.

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5x + 3y = 16 <br> 3x -5y = -4<br> How do I solve this
lawyer [7]

Answer:

(2, 2)

Step-by-step explanation:

We can solve this system of equations using the elimination method.

Let's start by multiplying the first equation by 3:

3(5x+3y)=3(16)\\3(5x)+3(3y)=48\\15x+9y=48

Now, multiply the second equation by 5:

5(3x-5y)=5(-4)\\5(3x)-5(5y)=-20\\15x-25y=-20

Since both equations have 15x, we can eliminate the x by subtracting the two equations.

15x-15x+9y-(-25y)=48-(-20)\\9y+25y=68\\34y=68\\\text{Divide both sides by 34}\\y=2

Now, substitute 2 for y to solve for x:

5x+3y=16\\5x+3(2)=16\\5x+6=16\\\text{Subtract 6 from both sides}\\5x=10\\\text{Divide both sides by 2}\\x=2

Therefore the solution to this system of equations is:

(x, y)=(2, 2)

6 0
2 years ago
What are the zeros of f(x) = x2 + x - 12?
ycow [4]

Answer:

(x+4)(x-3) or A

Step-by-step explanation:

I'm going to assume that you meant to write x² and not x2

which means we have

x²+x-12

and we need to factor this

to do this we need two numbers that add up to 1 (b) but mulitply to -12 (a*c)

our two numbers are

4, -3

Which means the answer is

(x+4)(x-3)

5 0
3 years ago
Read 2 more answers
Convert the map scale to a unit rate. Show your work. Interpret the meaning of the unit rate 3/10 in.= 7/8 mi
Mashcka [7]
(3/10) in = (7/8) mi

1 in = (7/8) mi ÷ (3/10)
 
       = 7/8 * (10/3) = 70/24

1 in = (70/24) mi

It means every 1 inch on the map drawing represents (70/24) miles ≈ 2.917 miles in reality.   

6 0
3 years ago
Read 2 more answers
X + 11 &gt; 16<br><br><br><br> PLS HURRY ITS A QUIZ
kogti [31]

Answer:

X is anywhere from 7 or any number bigger than 7.

3 0
2 years ago
(63xto the third power +45x to the second power + (7x+5)
guajiro [1.7K]
(63x³+45x²)+(7x+5)
108x²+7x+5 is your answer 
3 0
3 years ago
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