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Ivanshal [37]
3 years ago
11

Select the postulate that is illustrated for the real numbers.

Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0

Answer:  The correct option is

(1) The commutative postulate for multiplication

Step-by-step explanation:  We are given to select the correct postulate that is illustrated for the real numbers as follows :

6 . 12 = 12 . 6.

We know that

if a and b are any two real numbers, then the equality a . b = b . a illustrates the commutative postulate for multiplication.

So, if a = 6  and  b = 12, then we get

6 . 12 = 12 . 6.

Thus, the illustrated postulate is the commutative postulate for multiplication.

Option (1) is CORRECT.

jeka57 [31]3 years ago
6 0
The answer would be 1. The commutative postulate for multiplication. Hope this helped! Good luck! :)
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What is the solution of the equation below?<br> x² - 4= - 5
madam [21]

Answer:

Not possible to work out

Step-by-step explanation:

NO Explanation can be explained as this question cannot be solved

8 0
2 years ago
Simplify.
alekssr [168]

Answer: Answer #1

Step-by-step explanation: −3.3m+9.2n−4.2  Brainliest please?

6 0
2 years ago
100 points , please help. I am not sure if I did this correct if anyone can double-check me thanks!
Nookie1986 [14]

Step-by-step explanation:

\lim_{n \to \infty} \sum\limits_{k=1}^{n}f(x_{k}) \Delta x = \int\limits^a_b {f(x)} \, dx \\where\ \Delta x = \frac{b-a}{n} \ and\ x_{k}=a+\Delta x \times k

In this case we have:

Δx = 3/n

b − a = 3

a = 1

b = 4

So the integral is:

∫₁⁴ √x dx

To evaluate the integral, we write the radical as an exponent.

∫₁⁴ x^½ dx

= ⅔ x^³/₂ + C |₁⁴

= (⅔ 4^³/₂ + C) − (⅔ 1^³/₂ + C)

= ⅔ (8) + C − ⅔ − C

= 14/3

If ∫₁⁴ f(x) dx = e⁴ − e, then:

∫₁⁴ (2f(x) − 1) dx

= 2 ∫₁⁴ f(x) dx − ∫₁⁴ dx

= 2 (e⁴ − e) − (x + C) |₁⁴

= 2e⁴ − 2e − 3

∫ sec²(x/k) dx

k ∫ 1/k sec²(x/k) dx

k tan(x/k) + C

Evaluating between x=0 and x=π/2:

k tan(π/(2k)) + C − (k tan(0) + C)

k tan(π/(2k))

Setting this equal to k:

k tan(π/(2k)) = k

tan(π/(2k)) = 1

π/(2k) = π/4

1/(2k) = 1/4

2k = 4

k = 2

8 0
3 years ago
Divide. 15÷−5 Drag and drop the correct number into the box to complete the sentence. The quotient is Response area.
german

Answer:

15÷-5=-3

Step-by-step explanation:

8 0
2 years ago
How many faces does this shape have?
Veseljchak [2.6K]
DO NOT LISTEN TO THE OTHER PERSON, you can CLEARLY see thats not the right answer. She/He is bluffing.

The true answer:
The shape has 4 faces. Faces means the sides of a 3d figure/the sides are the 2d shapes that form together to form one 3d figure. Btw that figure is a triangular pyramid.
Com.ment me if u have any questions

Have a nice day!
4 0
2 years ago
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