2 years ago

What is the percent of 19 and 5

Mathematics

2 answers:

Alexandra [31]2 years ago

8 0

I think the answer should be 24

vlabodo [156]2 years ago

3 0

Answer:26.3157894737%

Step-by-step explanation:

5 19 x 100% = 26.3157894737%

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The answer is 4 so n = 4

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The expression 3 × n can be written without the multiplication sign as 3n. For each expression in parts (a)–(c), Use n = 1, 2, 3

baherus [9]

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3 years ago

What’s the answer to the top question and steps how to solve?

Leviafan [203]

Answer:

-3.69

Step-by-step explanation:

Exponential equations can be solved by taking Ln (natural logarithm) of both sides. The rule we need to know is:

$Ln(a^b)=bLn(a)$

Now lets work out this problem:

$16^{2x+3}=13^{x-1}\\Ln(16^{2x+3})=Ln(13^{x-1})\\(2x+3)Ln(16)=(x-1)Ln(13)$

Using calculator, we take the values of Ln 16 and Ln 13 as:

Ln 16 = 2.7726

Ln 13 = 2.5649

Now, we can solve for x:

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x is -3.69 (rounded to 2 decimal places)

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3 years ago

Find the value of x.

Cerrena [4.2K]

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$x^2 + x^2 + 6x + 9 = 117$

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Since the side of a triangle cannot have a negative length, we discard the solution x = -9.

Answer: x = 6

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Write it as a fraction then simplify. Use a calculator.

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