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patriot [66]
3 years ago
8

State the domain and range for the graph of the following function:

Mathematics
1 answer:
iVinArrow [24]3 years ago
8 0

Answer

so whats the question?

Step-by-step explanation:

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Suppose A is a matrix and k is a positive integer. What does the notation Ak mean?
Butoxors [25]

Answer:

Scalar product

Step-by-step explanation:

The scalar product of a matrix refers to the product of a matrix and a number. The scalar is used to multiply each element in the matrix to get the final vector. In the question the scalar is k which is a constant and the matrix is A.

in the example below 2 is the scalar

2*\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]

the final matrix will be

\left[\begin{array}{ccc}2&4&6\\8&10&12\\14&16&18\end{array}\right]

7 0
3 years ago
Please help me to figure out this question. Thanks
Marta_Voda [28]

Answer:

a) 5 : 7

b) 25 black keys

c) 100 black keys will appear.

Step-by-step explanation:

a) From the picture,

There are 5 black keys and 7 white keys.

Therefore, the ratio of black keys to white keys are = 5 : 7 = 5/7

b) If the pattern continues, 25 black keys will be appeared on a portable full-sized keyboard.

Explanation -

From part A, we get the ratio of black keys to white keys = 5 : 7. Therefore,

If there are 7 white keys, there are 5 black keys

If there are 1 white keys, there are 5/7 black keys

If there are 35 white keys, there are (5*35)/7 black keys

= 25 black keys.

c) If there are 240 keys, the black keys will appear -

We get, the ratio of black keys to white keys = 5 : 7

The summation of the black keys and white keys = (5 + 7) = 12.

Therefore, if there are 240 keys, the black keys will be

= (5/12) x 240

= (5 x 240)/12

= 100

Therefore, there are 100 black keys.

7 0
3 years ago
1
kakasveta [241]
1/8 or D, because 1/2 divied by 4 equals 1/8. Hope I helped! I need some help on one question for me.

7 0
3 years ago
Read 2 more answers
The quotient obtained when an integer is divided by its additive inverse is ________________.
Ahat [919]

Answer:

-1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Identify the type of function represented by the equation y = – 3.
snow_lady [41]

I think the answer of this question is number b. quadratic

7 0
3 years ago
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