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sergiy2304 [10]
3 years ago
7

4(9x^2)/4x^2 simplified

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

Step-by-step explanation:

\frac{4(9x^2)}{4x^2}\\ \\ \frac{36x^2}{4x^2}\\ \\ \text{Divide the numerator and denominator by }4x^2\\ \\ 9

Bingel [31]3 years ago
7 0

Answer:

9

Step-by-step explanation:

1) Cancle x².

4  \times  \frac{9}{4}

2) Cancle 4.

9

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>9</u></em><em><u>.</u></em>

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Given the relations A: (3,2), (5,3), (6,2), (7,4) which statement is true?
In-s [12.5K]

Answer:

Option 3.

Step-by-step explanation:

The given relation is

A= {(3,2), (5,3), (6,2), (7,4)}

A relation is called a function, if there exist a unique value of y for each value of x.

In relation A, there exist unique output for each input. So, A is a function.

If a relation is defined as R = {(a,b), a∈R,b∈R}, then inverse of R is

R⁻¹ = {(b,a), a∈R,b∈R}

So, inverse of A is defined as

A⁻¹= {(2,3), (3,5), (2,6), (4,7)}

Here, the value of y are 3 and 6 at x=2.

For x=2, there exist more than one output. So, A⁻¹ is not a function.

Therefore, the correct option is 3.

8 0
3 years ago
2. Are the expressions -5 + -2 and -5 – 2 equivalent? Why or why not? Explain and show your work.
scoray [572]

Answer:

Yes, the expressions are equivalent.

Step-by-step explanation:

Notice that -2  is defined as in additive inverse of 2, that is, 2 + -2 = 0.

and substracting 2 from 2 is also equal to zero, that is, 2 - 2 = 0.

Thus 2-2 = 2+ -2, implying -2 = + -2. Consequently, -5 + -2 = -5 -2

8 0
4 years ago
What's the value of x? 40000mg =10x g
dybincka [34]

The value of x is 4. So 40000 mg= 40 g.

Step-by-step explanation:

      The given is 40000mg = 10x g

Step:1

      Take given equation as equation (1)

                     40000 mg= 10x g.................(1)

      where, X is known value.

Step:2

      Standard value for mg to g for the purpose of conversion of units,

                      1 milligram = 0.001 gram   (or)

                      1 gram = 1000 milligram

Step:3

      From the standard data values,

                    = 40000 mg

      it converted mg to g by dividing 1000

                    = \frac{40000}{1000} g

                    = 40 g.......................(2)

Step:4

       From the Equations (1) and (2),

                 40=10x

                  x=4

Result:

       The value of x is 4. So, 40000mg = 40 g.

7 0
3 years ago
Help
Alex Ar [27]

Answer:

I have given the answer

3 0
3 years ago
The variable Z is directly proportional to X. When X is 3, Z has the value 54. Wha is the value of Z when X= 12
RSB [31]
The variable Z is directly proportional to X
Z = kX (Where k is the constant of proportionality)
To find k
54 = k3
 
k = 54/3
k = 18
 

now find new Z


 Z = 18X
Z = 18(12)
Z = 216

5 0
3 years ago
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