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3 years ago

Mention the commutativity associative and distributive properties of rational number

Mathematics

1 answer:

evablogger [386]3 years ago

6 0

Answer:

Associative property: a + (b + c), a – (b – c) ≠ (a – b) – c, a × (b × c) = (a × b) × c, and a ÷ (b ÷ c) ≠ (a ÷ b) ÷ c

When a = ½ and b = ¾

Now, for checking a × b = b × a, consider LHS and RHS.

LHS = a × b = ½ × ¾ = ⅜

RHS = b × a = ¾ × ½ = ⅜

Thus, LHS = RHS (Hence proved)

Step-by-step explanation:

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Simplify each expression. (7x+x^4+x^3)-(6x-2x^3+8x^4)

aleksandrvk [35]

the answer is x + 3x^3 - 7x^4

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3 years ago

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padilas [110]

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3 years ago

A van travels from Town A to Town B. It uses 1 gallon of gas for every 24 miles traveled. A) How many gallons of gas does the va

Setler79 [48]

Answer:

A) $\frac{x}{8}$ gallons

B) Distance between Town A and Town B is $48y$ miles

Step-by-step explanation:

We know, number of gallons = $\frac{DistanceTravelled}{MilesPerGallon}$

if miles per gallon (mpg) is given as 24 & total distance travelled is 3x miles, then, using formula we have:

Number of Gallons = $\frac{DistanceTravelled}{MilesPerGallon}=\frac{3x}{24}=\frac{x}{8}$

Now, given is number of gallons = 2y & we know mpg is 24; <em>so what is the distance?</em>

We use the same formula and solve for distance (let distance between A and B be "D"):

$NumberOfGallons=\frac{DistanceTravelled}{MilesPerGallon}\\2y=\frac{D}{24}\\D=2y*24\\D=48y$

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3 years ago

Is the function y = 3x4 - 1 linear or nonlinear?

CaHeK987 [17]

Answer:

If the x is an x and not a multiplication sign then yes, the function is indeed linear.

Hope this helps!

8 0

2 years ago

In cornville, bicycle license plates have 2 letters followed by a 1 digit number. How many different license plates are possible

mariarad [96]

There are two letters.
Let first letter be A
Let second letter be B

There is one 2 digit number
So, let the number be 5

Now, lets see which are the possible bicycle licence plates:
1. AB5
2. BA5
3. A5B
4. B5A
5. 5AB
6. 5BA
Now, there are 6 different licence plates.

So, 6 different licence plates are possible.

3 0

3 years ago