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Komok [63]
3 years ago
11

How do you write 3.21 as a proper fraction?

Mathematics
2 answers:
tatiyna3 years ago
6 0
It would be 3 21/100 because 3 is the whole number, and .21 is twenty one hundredth. so if the question had said "write 1.60 as a proper fraction," then it would be 1 60/100. however you still would not be done. if you are able to simplify the fraction, then you should. so the answer for 1.60 would be 1 6/10, then 1 3/5. 
lesya692 [45]3 years ago
3 0
You write it like 3 21/100
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The snack shop makes 3 mixes of nuts in the following proportions.
Julli [10]

Answer:

A=\begin{bmatrix}6 & 5 & 3\\ 2 & 3 & 4\\ 2 & 2 & 3\end{bmatrix}

B=\begin{bmatrix}25\\ 18\\ 35\end{bmatrix}

Step-by-step explanation:

It is given that the snack shop makes 3 mixes of nuts in the following proportions.

Mix I: 6 lbs peanuts, 2 lbs cashews, 2 lbs pecans.

Mix II: 5 lbs peanuts, 3 lbs cashews, 2 lbs pecans.

Mix III: 3 lbs peanuts, 4 lbs cashews, 3 lbs pecans.

they received an order for 25 of mix I, 18 of mix II, and 35 of mix III.

We need to find the matrices A & B for which AB gives the total number of lbs of each nut required to fill the order.

                      Mix I             Mix II              Mix III

peanuts             6                  5                    3

cashews            2                  3                    4

pecans              2                   2                    2

A=\begin{bmatrix}6 & 5 & 3\\ 2 & 3 & 4\\ 2 & 2 & 3\end{bmatrix}

B=\begin{bmatrix}25\\ 18\\ 35\end{bmatrix}

The product of both matrices is

AB=\begin{bmatrix}6 & 5 & 3\\ 2 & 3 & 4\\ 2 & 2 & 3\end{bmatrix}\begin{bmatrix}25\\ 18\\ 35\end{bmatrix}

AB=\begin{bmatrix}6\cdot \:25+5\cdot \:18+3\cdot \:35\\ 2\cdot \:25+3\cdot \:18+4\cdot \:35\\ 2\cdot \:25+2\cdot \:18+3\cdot \:35\end{bmatrix}

AB=\begin{bmatrix}345\\ 244\\ 191\end{bmatrix}

Therefore matrix AB gives the total number of lbs of each nut required to fill the order.

8 0
3 years ago
V = ℓwh for ℓ. please help soon
erma4kov [3.2K]
Isolate the variable by dividing each side by factors that don't contain the variable.
l = v/wh


w
h
4 0
3 years ago
In a 100-percent-reserve banking system, if a customer deposits $100 of currency into a bank, then the money supply:
Nataliya [291]

Answer:

Option D.

Step-by-step explanation:

The total stock of currency and other liquid instruments circulating in the economy of a country as of a particular time is known as money supply.

If the reserve requirements of banks is least then banks are able to loan more money, that will increases the overall supply of money in the economy.

In 100% reserve banking system, 100% amount of each depositor's funds would be required to keep by bank for immediate withdrawal on demand.

100% reserve banking system is also known as Full-reserve banking system.

It means, if a customer deposits $100 of currency into a bank with 100% reserve banking system, then the money supply remains the same.

Therefore, the correct option is D.

5 0
3 years ago
PLEASE HURRY AND HELP
rjkz [21]

Answer:

1/8=0.125

Step-by-step explanation:

0.125/8 I 1.000 -8 / 20 -16/ 40 -40/0

6 0
3 years ago
On a certain day the exchange rate was 60 U.S dollars for 50 euro. How many U.S dollars were 70 euro worth that day?
Bezzdna [24]
70 euros in u.s dollars is $60
3 0
3 years ago
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