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4 years ago

Which is greater 2/10 or 3/5?

Mathematics

2 answers:

Nookie1986 [14]4 years ago

3 0

2 / 10 = 1/5
3/5 > 1/5
3 > 1

Hence, 3/5 is greater than 2/10

DiKsa [7]4 years ago

3 0

Therefor we say that 3/5>2/10

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Malaya wrote a survey question in the newspaper about changing the school colors. Ninety percent of those who responded in an e-

maksim [4K]

Her conclusion that 90% of the student body wants the colors changed is an INCORRECT conclusion. The 90% out of 100% is not referring to the total numbers of the student body.For example, 100 people are members of student body if only 50 members responded the survey, then we have:
90% of 50 members who answered the survey said that they want the changed.

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3 years ago

What are the period and phase shift for f(x) = 3 tan(4x + π)?

Pie

For an equation y = a tan[b(x+c)], the period is equal to 2*pi/b, while the phase shift is c.
This equation can be rewritten as:
f(x) = 3 tan [4(x + pi/4)]
In this case, b = 4, c = pi/4
Then the period = 2*pi/b = pi/2.
The phase shift = pi/4 (to the left).

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3 years ago

Which of the following functions is graph below? Pics added

denis-greek [22]

Answer:

graph number 1

Step-by-step explanation:

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3 years ago

Your company is considering offering 900 employees the opportunity to transfer to its new headquarters in Ottawa and, as personn

Tresset [83]

Answer:

a) $P(100M) = \frac{100C100*1100C800}{1200C900}$

b) $P(1M) = \frac{100C1*1199C899}{1200C900}$

Step-by-step explanation:

Extract information from question:

Manager = M = 100

Factory Workers = FW = 200

Miscellaneous Staff = MS = 900

Total Workers = 1200

Moving Workers = 900

'Combinations' are a way to calculate the total outcomes of an event where order of the outcomes does not matter. To calculate combinations the formula below is used:

$nCr=\frac{n!}{r!(n-r)!}$

where 'n' is the total number of items

'r' is the number of items being chosen at a time

The '!' is the factorial function which is the product of all integers equal to and less than the given integer.

Combinations can be calculated manually using the formula above or by using the nCr function on a scientific calculator.

Part a)

Combinations of all 100 managers being selected

$C = nCr=\frac{n!}{r!(n-r)!}$

$C(100M) = 100C100$

Combinations of 800 of factory workers and miscellaneous staff being selected out of 1100 remaining staff

$C = nCr=\frac{n!}{r!(n-r)!}$

$C(800FW/MS) = 1100C800$

Total possible unspecified combinations of 900 staff being selected out of 1200 total staff

$C = nCr=\frac{n!}{r!(n-r)!}$

$C(900M/FW/MS) = 1200C900$

Probability of all 100 managers being selected:

$P(100M) = \frac{100C100*1100C800}{1200C900}$

Part b)

Combinations of 1 out of 100 managers being selected

$C = nCr=\frac{n!}{r!(n-r)!}$

$C(1M) = 100C1$

Combinations of 899 of managers, factory workers and miscellaneous staff being selected out of 1199 remaining staff

$C = nCr=\frac{n!}{r!(n-r)!}$

$C(899M/FW/MS) = 1199C899$

Total possible unspecified combinations of 900 staff being selected out of 1200 total staff

$C = nCr=\frac{n!}{r!(n-r)!}$

$C(900M/FW/MS) = 1200C900$

Probability of being the 1 manager being selected:

$P(1M) = \frac{100C1*1199C899}{1200C900}$

3 0

3 years ago

If F is a 3x5 matrix, which of the following matrices could F be multiplied by?

Mrrafil [7]

ANSWER

The correct answer is option B.

EXPLANATION

We can only multiply two matrices if and only if the number of columns in the first matrix is equal to the number of rows in the second matrix.

The first matrix given to us has the dimension,

$3 \times 5$

This matrix has 5 columns.

So the second matrix must have 5 rows.

Among the possible answers, the matrix that has 5 rows is the one with dimension,

$5 \times 6$
Therefore the correct answer is B.

Note that, the dimension of a matrix is given by
$row \times column$

7 0

4 years ago