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3 years ago

A $50 computer program is on sale for $37.50. What is the percent decrease?

2 answers:

5 0

The price of the computer program is 50 dollars.Since, it is on sale, the current price is now 37.50 dollars.Base on the given choices or options, let's find out which is correct.But, first let's solve this to be able to identify which one is the correct answer:=> 37.50 dollars / 50 dollars = 0.75=> 0.75 * 100% = 75%=> 100% - 75% = 25%.<span>Thus, the discount percentage is 25% and the current price is 75%.</span>

inessss [21]3 years ago

3 0

If you would like to know what is the percent decrease, you can calculate this using the following steps:

x% of $50 is $37.50
x% * 50 = 37.50
x/100 * 50 = 37.50 /*100/50
x = 37.50 * 100 / 50
x = 75%

100% - 75% = 25%

The correct result would be D. 25%.

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3 years ago

A culture started with 3000 bacteria. After 4 hours, it grew to 3,600 bacteria. Predict how many bacteria will be present after

Vlad [161]

Hello Shannonrodrigue. You can solve this by setting up an exponential growth equation.

$A = A_ob^t$
$3600 = 3000b^4$

Now we solve for b
$3600 = 3000b^4$
$\frac{3600}{3000} = \frac{3000b^{4}}{3000}$
$\frac{6}{5} = b^4$
$\sqrt[4]{\frac{6}{5}} = \sqrt[4]{b^4}$
$\sqrt[4]{\frac{6}{5}} = b$

Now that we have found b, we can use the equation $A = 3000b^t$ to predict how many bacteria will be present after 10 hours.
$b = \sqrt[4]{\frac{6}{5}}$
t = 10
$A = 3000b^t$
$A = 3000\sqrt[4]{\frac{6}{5}}^{10} = 4732.3228 = 4732$

Answer = 4732

4 0

3 years ago

Please hurry I need this fast

erastovalidia [21]

I think it’s 20

Hope this helps

6 0

3 years ago

PLEASE HELP ANSWER ASAP NO LINKS PLZ

schepotkina [342]

Answer:

Y = 4

Step-by-step explanation:

12 - 8 = 4 and if you put another triangle it will look like a complete square, so you will need to subtract it Hope it Helps

7 0

2 years ago

Read 2 more answers