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3 years ago

4(ab)= (4a)b is an example of which property

1 answer:

4 0

4(ab) = (4a)b is an example of the associative property, in which no matter how it is grouped, you will still arrive with the same answer on both side of the equal sign

hope this helps

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What is the domain of (cd)(x)?

viktelen [127]

Answer:

Only option B is correct, i.e. all real values of x except x = 2.

Step-by-step explanation:

Given the functions are C(x) = 5/(x-2) and D(x) = (x+3)

Finding (C·D)(x) :-

(C·D)(x) = C(x) * D(x)

(C·D)(x) = 5/(x-2) * (x+3)

(C·D)(x) = 5(x+3) / (x-2)

(C·D)(x) = (5x+15) / (x-2)

Let y(x) = (C·D)(x) = (5x+15) / (x-2)

According to definition of functions, the rational functions are defined for all Real values except the one at which denominator is zero.

It means domain will be all Real values except (x-2)≠0 or x≠2.

Hence, only option B is correct, i.e. all real values of x except x = 2.

6 0

2 years ago

How many solutions does this linear system have?

Elenna [48]

Answer:

B- one solution: (1,-4)

Step-by-step explanation:

(1,-4)

y = -6x +2

-4 = -6(1) +2

-4 =-4

(1,-4)

-12x - 2y = -4

-12(1) -2(-4) = -4

-12 + 8 =-4

-4 = -4

if you put the value x and y into both equation you can find the solution

4 0

3 years ago

Read 2 more answers

You are fixing the roof of your house when a hammer breaks loose and slides down. the roof makes an angle of 65

olga_2 [115]

The angle would be 5,000m

6 0

3 years ago

Which inequality is false? A. 4 < 9 B. –6 < –3 C. –5 > –2 D. 12 > –7

CaHeK987 [17]

Simple...

which inequality is false?

A.) 4<9 (True)

B.) -6<-3 (True)

C.) -5>-2 (False)

D.) 12>-7 (True)

Thus, your answer.

4 0

2 years ago

Read 2 more answers

Pls help me<br> With the hard math problem

kozerog [31]

Answer:

A) For the first 10 minutes, the train travels 4 miles.
B) The train stops at two stations before it arrives at Springfield. The first station is 4 miles from Metro center. The second station is 8 miles from Metro center.
C) The longest time the train travels without stopping is 10 minutes.
D) It takes 20 minutes to get from Metro center to Springfield

Hoped this helped.

$BrainiacUser$

6 0

2 years ago