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3 years ago

Which exponential equation is equivalent to the logarithmic equation below?

Mathematics

1 answer:

larisa86 [58]3 years ago

6 0

$\log_ab=c\iff a^c=b\\\\therefore\\\\\ln3=c\iff e^c=3\to\boxed{D}$

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Bethany paid $408.75 for a pair of diamond stud earrings. The sale price was $375. What is the Percent of Sales Tax she paid for

9966 [12]

Answer:

She paid 9% of sales tax

Step-by-step explanation:

The sale price of diamond = $375

Let x be percent of sales tax

So, amount of tax = $x\% \times 375 = \frac{x}{100} \times 375 =3.75x$

So, Amount including tax = 375+3.75x

We are given that Bethany paid $408.75 for a pair of diamond stud earrings.

So, 375+3.75x=408.75

3.75x=408.75-375

$x=\frac{408.75-375}{3.75}$

x=9

Hence She paid 9% of sales tax

5 0

3 years ago

A surfboard is originally priced at $155. The online retailer gives a discount and the surfboard is now priced at $93. Enter the

GrogVix [38]

93 is 60 percent from the original price.
The discount reduces the original price by 40 percent.

7 0

3 years ago

How do I find the answers

jasenka [17]

Answer:

3. They're adding by 5 so,

Step-by-step explanation:

6 0

3 years ago

X subtract 9 equals 3 / 5X

Korvikt [17]

Answer:

$x=22\frac{1}{2}=22.5$

Step-by-step explanation:

$x-9=\frac{3}{5}x$

First, lets get rid of the fraction. I did this by multiplying both sides by $5$ .

$5(x-9)=5(\frac{3}{5}x)\\5x-45=\frac{5}{1} *\frac{3}{5}x\\5x-45=\frac{15}{5}x\\5x-45=3x$

We want to isolate $x$ on one side of this equation. Let's put any values with $x$ on one side of the equation, and normal integers on the other.

$2x=45$

Divide both sides by $2$ .

$x=\frac{45}{2}$

If your teacher wants you to leave your final answer as an improper fraction, your final answer is this. If they want it to be a mixed number or decimal, your final answer will be:

$x=22\frac{1}{2}=22.5$

7 0

3 years ago

Blitzkrieg is the term used to describe Germany's?

Andreyy89

“lightning” warfare with tanks used to end a fight swiftly.

5 0

3 years ago

Read 2 more answers