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3 years ago

Fill in the two blank boxes!!! help plzzzsorry this is not math lol its science

Mathematics

1 answer:

MrRissso [65]3 years ago

5 0

The packaging one is Golgi apparatus that’s all I know sorry sis

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Step-by-step explanation:

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A population of mice is increasing exponentially. On Monday there were 120 mice. One month later there were 132 mice. Write a fu

den301095 [7]

Answer:

$y =120*1.1^x$

$r = 10\%$ --- Percentage increase

Step-by-step explanation:

Given

Let

$x \to months$

$y \to mice$

So, we have:

$(x_1,y_1) = (0,120)$ --- Monday

$(x_2,y_2) = (1,132)$ --- One month later

Required

The function

The function is represented as:

$y = ab^x$

In $(x_1,y_1) = (0,120)$ , we have:

$120 =a * 1$

$120 =a$

Rewrite as:

$a = 120$

In $(x_2,y_2) = (1,132)$ , we have:

$132 = a * b^1$

$132 = a * b$

Substitute $a = 120$

$132 = 120 * b$

Solve for b

$b = \frac{132}{120}$

$b = 1.1$

Recall that:

$y = ab^x$

Hence, the function is:

$y =120*1.1^x$

To get the monthly percentage increase (r), we have:

$y = a(1 + r)^x$

Compare to: $y = ab^x$

So:

$1+r =b$

Make r the subject

$r = b-1$

$r = 1.1-1$

$r = 0.1$

Express as percentage

$r = 0.1*100\%$

$r = 10\%$

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2 years ago

A Keyboard that originally costs $475 is marked down 15% for a sale what is the New reduced price of the keyboard?

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$403.75
Step 1: 415(.15)
Step 2: 475 - 415(.15)
Step 3: 403.75

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3 years ago

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Help asap please!! <3

Sergio039 [100]

Answer:

9.3%

Step-by-step explanation:

You are welcome!!

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that would be fun to work on, and then you suddenly fell off over the edge.

"Which of these ..." always means "Here's a list of choices. Pick out the
correct answer from the list." So we know that there was a list of choices
right there, where you copied the question from. But when you finished
copying the question and reached the list of choices, you stopped there,
never copied the list, and went away to do something else instead.

Without that list, there's no way for us to answer the question "Which of these...".

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