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katen-ka-za [31]
3 years ago
13

5 1/4* (-4 2/3) Solve

Mathematics
2 answers:
leonid [27]3 years ago
6 0

Answer:

-10/3, -3  1/3, or -3.33333333...........

Step-by-step explanation:

First, just multiply the whole numbers by the fractions and then multiply those tow numbers by each other. Hope this helped!!

NISA [10]3 years ago
5 0

Answer:

5 1/4* (-4 2/3) = -49/ 2  = -24 1/ 2  = -24.5

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a. Determine all bijections from the {1,2,3} into {a,b,c}. b. Determine all bijections from {1, 2, 3} into {a,b,c,d}.
avanturin [10]

Part A

There are 6 bijections from {1,2,3} to {a,b,c}. This is effectively the same as asking the question "how many ways are there to arrange {a,b,c} where order matters?" We use a factorial to answer this question.

3 factorial = 3! = 3*2*1 = 6

You can also use a permutation, which is composed of factorials, to get the same answer.

======================================================

Part B

There are no bijections from {1,2,3} to {a,b,c,d}. Why is this? Because a bijection has two properties: it must be one-to-one, and it must be onto. The term "onto" in mathematics means "every value in the range is targeted". In the case of the range {a,b,c,d} it is not possible for each value to show up. This is because there are only three items in the domain {1,2,3}. You'll always be one letter short.

As you can probably guess, a bijection is only possible if and only if n(D) = n(R), where D and R are the domain and range respectively. The notation n(D) represents the count or number of items in set D.

3 0
3 years ago
Every digits + 798 is greater than any digit in 4325 explain why 4325 is greater than 798
maks197457 [2]
<span>It's because there are 4 numbers in 4325, and only 3 in 798.

Hope I Helped You!!! :-)

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8 0
3 years ago
Graphing Natural Exponential Functions In Exercise, sketch the graph of the function.
Mnenie [13.5K]

Answer:

Let g(x)=e^{2x-1}

View Graph

Step-by-step explanation:

Let g(x)=e^{2x-1}

find the cutting points with respect to the axes.

We can say that g(x) = y, well then y=e^{2x-1}, if x=0 then y=e^{2x-1}=e^{(2*0-1)}=e^{-1}=0.36787

with respect to x there are no cut points since it is an asymptote

To x=1 y≅2.718, x=-1 y≅0.049, x=2 y≅20.08, x=-2 y≅0.0067, this for plotting  some values

3 0
4 years ago
Maya completed 15 quiz problems in 10 minutes, Andrew completed 12 quiz problems in 8 minutes, and Charles completed 16 quiz pro
Phantasy [73]

Answer:

Charles completed the quiz problems at the slowest rate

Step-by-step explanation:

we know that

To find out the unit rate divide the number of quiz problems by the time employed

1) Maya completed 15 quiz problems in 10 minutes

so

\frac{15}{10}=1.5\ quiz\ problems\ per\ minute

2) Andrew completed 12 quiz problems in 8 minutes

so

\frac{12}{8}=1.5\ quiz\ problems\ per\ minute

3) Charles completed 16 quiz problems in 16 minutes

so

\frac{16}{16}=1\ quiz\ problem\ per\ minute

Compare the unit rates

1 < 1.5

therefore

Charles completed the quiz problems at the slowest rate

6 0
3 years ago
3
Alexus [3.1K]

Answer:

1. 10mn - 35      2. 8rs -2r + 16

Step-by-step explanation:

10mn - 35

8rs -2r + 16

3 0
3 years ago
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