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lukranit [14]
2 years ago
13

Surface area of this rectangluar solid WITHOUT a top

Mathematics
1 answer:
ioda2 years ago
7 0

find the area of the regular octagon with side lengths 11.7 cm and apothem 14.1 cm

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A culture started with 2000 bacteria. After 4 hours, it grew to 2,200 bacteria. Predict how many bacteria will represent after 9
S_A_V [24]
Y=2000*e^{k*t}

2200=2000*e^{k*4}

e^{k}= ( \frac{22}{20} )^{(1/4)}<span>

so,
 y at t=8 is  2000*(</span><span>( \frac{22}{20} )^{(1/4)})^8
 y = 2000(22/20)^2=2000*1.21=</span><span>2420 thats the answer i hope.</span>




4 0
3 years ago
Markus receives dollar bills from his grandfather for one week. On The first day he received a one dollar. On the second day he
Aleksandr [31]

Answer:

he will have $127 by the end of the week

5 0
2 years ago
Find x:<br> 16<br> 1<br> A<br> K<br> 9<br> С<br> X<br> case of sit<br> B
Alexxx [7]

Answer: x = 9

Step-by-step explanation:

9/x = x/16

y^2 + 16^2 = 49

root 16^3= 16 - y

square root 49 = 7

y is the variable for this example

16 - y = 16 - 7 because y = 7

16 - 7 = 9

x = 9

6 0
3 years ago
the sales tax in your city is 4.4%.and an item costs $3 before tax. how much tax would you pay on that item
MrMuchimi
<h2>Greetings</h2>

Answer:

The tax is $0.12

Step-by-step explanation:

If you can imagine that price of $3 to be 100% of the price, you can simply add 4.4 onto this to find the percentage you need to find of the price:

100 + 4.4 = 104.4

So now you can use the percentage formula:

Amount x \frac{percentage}{100}

Simply plug all the values into this:

3 x \frac{104.4}{100}

3 x 1.04 = 3.12

Now you have the total price and you can simply minus the item cost without tax:

3.12 - 3 = 0.12

<h3>So the tax is $0.12!</h3><h3 /><h2>Hope this helps!</h2>
3 0
2 years ago
Read 2 more answers
PLEASE HELPPO The top shelf of a bookcase holds 6 fiction and 4 nonfiction books. On the bottom shelf are 3 fiction and 5 nonfic
MAXImum [283]

Answer:

Two consecutive events are dependent if the outcome of the second event depends on the outcome of the first event.

Now, suppose that all the books have the same probability of being drawn, let's look at a single shelf.

we take a book from the first shelf, let's ignore the type of book for now.

Now, if we want to get a second book from that shelf, the probability of getting a fiction book is equal to the quotient between the number of fiction books on the shelf and the total number of shelf.

Now we can see that, if the first book drawn was a fiction book, now there are 5 fiction books and 9 books in total, so:

p = 5/9

if the first book was a non-fiction book, now there are 6 fiction books in the shelf and 9 books in total, so the probability in this case is:

q = 6/9

So you can see that the outcome of the second draw depends on the outcome of the first one (only in the case where we take two books from the same shelf)

Then the pair of dependent events is:

A: because in both cases we choose a book from the same shelf

D: because in both cases we choose a book from the top shelf.

3 0
2 years ago
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