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const2013 [10]
3 years ago
14

I need help with both questions...

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
4 0

Answer:

13/2

Step-by-step explanation:

NikAS [45]3 years ago
3 0

Answer:

17. a)

Step-by-step explanation:

17.

f(x) =x/2, then f(x-3)=(x-3)/2

x=3, f(x-3)=f(3-3)=f(0)=0 (values in table)

f(x-3)+3=0+3=3

18.

f(x) =x/2

f(x-2) for x=5 is f(5-2)=f(3)=3/2

f(x-2)+5=f(3)+5=3/2+5=3/2+10/2=13/2

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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
Every summer I drive to Michigan. It is 3900km to get there. If I average 100km/hr, how much time will I spend driving?
motikmotik

Answer:

39 hours.

Step-by-step explanation:

You divide 3900 km by 100 km, (3900/100) and get 39. Since you are driving 100 km per hour, it will take you 39 hours to get to Michigan.

6 0
3 years ago
Need help getting the answer A. 45<br> B.30<br> C.60<br> D.90
sleet_krkn [62]
The answer should be B 30 degrees
6 0
3 years ago
Read 2 more answers
What is (3xy^2)(-6xy^4)
krok68 [10]

Answer:

-18x^2y^6

Step-by-step explanation:

we have

(3xy^2)(-6xy^4)

Applying property of exponents

x^{m} x^{n}=x^{m+n}

(3xy^2)(-6xy^4)=(3)(-6)(x^{1+1})(y^{2+4})=(-18)(x^{2})(y^{6})=-18x^2y^6

5 0
3 years ago
Answer these 2 questions please
Dmitry [639]
Where’s the question?
8 0
3 years ago
Read 2 more answers
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