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2 years ago

In six months the membership at a fitness center went from 3,500 to 4,200. what was the percent of increase in the membership?

1 answer:

6 0

It is definitely C: 20%

Subtract the original value from the new value, then divide the result by the original value then multiply the result by 100 and it will give you the answer

$\frac{4200 - 3500}{3500} \times 100$
$\frac{700}{3500} \times 100$
$0.2 \times 100 = 20\%$

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The correct simplification of (7x3y3)2.

anyanavicka [17]

<span>49 x^6 y^6
Assuming the 2 is an exponent.
I had the same question.
Just square </span>everything.
Ex. 7^2 = 49

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2 years ago

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Every day, there are 4 times more likes on an internet video of a horse which is modeled by the function c(n) = (4)n − 1, where

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Answer:

f(n) = 100·4^(n-1)

Step-by-step explanation:

The given function c(n) is apparently the multiplier for n days. Its value is 1 for n=1, so we simply need to multiply c(n) by 100:

f(n) = 100·c(n) = 100·4^(n-1)

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2 years ago

F(x)= (3/4)x+12 what is the y-intercept of f^-1(x)

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Answer:

y = (3/4)x + 12

x = (3/4)y + 12

(3/4)y + 12 = x

(3/4)y = x - 12

3y = 4x - 48

y = (4/3)x - 16

f^-1(x) = (4/3)x - 16

the y intercept is -16

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2 years ago

Shaquille, Lyle, and Amanda collect stamps. Shaquille has one-half the number of stamps that Lyle has. Amanda has two-thirds as

a_sh-v [17]

Shaquille and Amanda's stamps are described in terms of Lyle's, so:

Lyle's = 6x 6x+3x+2x=364
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Lyle has 168 stamps, Shaquille has 84, and Amanda has 112. 168+84+112=364

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2 years ago

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A business has a savings account that earns a 3% annual interest rate. At the end of 1996, the business had $4,000 in the accoun

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Answer:

The amount the business initially invested in 1991 is approximately;

A. $3,450

Step-by-step explanation:

The question relates to investment and finance

The parameters given are;

The annual interest rate on the business savings account = 3%

The amount the business had in the account at the end of 1996 = $4,000

The given formula used to determine the final amount in the savings account, $F = p \cdot \left(1 + \dfrac{r}{100} \right )^t$

Where;

F = The final amount

p = The initial (principal) investment

r = The annual interest rate

t = The time in years

Therefore, we have;

The required information = The initial amount, 'p', the business invested in 1991

The time in years, 't', from 1991 to 1996 = 1996 - 1991 = 5

∴ The time in years from 1991 to 1996, t = 5 years

The final amount in 1996, F = $4,000

r = 3%

Plugging in the values in the given equation gives;

$4000 = p\cdot \left(1 + \dfrac{3}{100} \right )^5$

Therefore;

$p = \dfrac{4000}{\left(1 + \dfrac{3}{100} \right )^5} = 3,450.43513754$

To the nearest dollar, the initial amount the business invested in 1991, p ≈ $3,450.

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2 years ago