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3 years ago

14

Can someone please help me?? I'm begging...

1 answer:

wariber [46]3 years ago

5 0

Answer:

What type of angle is it?

Step-by-step explanation:

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What is 648 divided by 8

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648 divided by 8 is 81.
64 goes into 8 8 times (8*8)
8 goes into 8 1 time (8*1)

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Hans is choosing a 2- letter password from the letters A, B, C, D, and E. The password cannot have the same letter repeated in i

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there are 5 possibilities for the first letter, and 4 possibilities for the second letter after the first letter is used up

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Reverse the fraction

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18s -17s+1=20 solve for s

liubo4ka [24]

Answer:

s=19

Step-by-step explanation:

18s-17s+1=20

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A population of mice is increasing exponentially. On Monday there were 120 most. One month later there were 132 most. Ready func

djyliett [7]

Answer:

$y=120 * 1.1^x$ --- function

The monthly rate is 10%

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:

$120 = a * b^0$

$120 = a * 1$

$120 = a$

$a=120$

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

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

$b = 1.1$

So, the function is:

$y=ab^x$

$y=120 * 1.1^x$

To calculate the monthly rate (r), we have:

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

Compare to: $y =ab^x$

$1 + r = b$

Make r the subject

$r = b-1$

Substitute $b = 1.1$

$r = 1.1-1$

$r = 0.1$

Express as percentage

$r = 0.1*100\%$

$r = 10\%$

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3 years ago