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3 years ago

The number sentence 4x6=6x4 is an example of the what property

Mathematics

1 answer:

monitta3 years ago

5 0

Answer:

commutative property of multiplication

Step-by-step explanation:

The value of the product of the given equation remain the same while the order is reversed

The number sequence 4 × 6 = 6 × 4 is an example of the commutative property of multiplication

Reason:

The given number sentence is 4 × 6 = 6 × 4

Required: The property the number sentence is an example of (represent)

Solution:

The difference between the left and right expression is that the order of the

values being multiplied is changed or reversed (commute)

Therefore, the number sentence states that the value of the multiplication

of two variables remain equal when the places of variables are

interchanged as follows; a × b = b × a

a × b = b × a is an example of commutative property of multiplication

Therefore;

4 × 6 = 6 × 4 is an example of the commutative property of multiplication

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solve the equation for x. show each step of the solution. name the justification for each step of the solution 9/2 (8-x) +36=102

Karo-lina-s [1.5K]

1. You have the following equation:

$\frac{9}{2}(8-x)+36=102-\frac{5}{2} (3x+24)$

2. First, you must apply the Distributive property:

$\frac{72}{2}-\frac{9x}{2}+36=102-\frac{15x}{2}-\frac{120}{2}$

3. Simplify:

$36}-\frac{9x}{2}+36=102-\frac{15x}{2}-60$

3. Add the like terms:

$-\frac{9x}{2}+\frac{15x}{2}=102-60-36-36\\ 3x=-30$

4. Solve for $x$ :

$x=-\frac{30}{3} \\ x=-10$

Therefore, the answer is: $x=-10$

3 0

3 years ago

Simplify (3x)-1. A. 81x^4. B. 4x^6. C. 1/3x. D. 1/x^6

elena55 [62]

If you mean: (3x)^-1

When you have a power to a negative number (1 in this case), place the power on the numerator, with the base in the denominator.

(3x)^-1 = 1/3x

1/3x, or C) is your answer

hope this helps

3 0

3 years ago

HELPPPP!!!<br> Select the correct answer.<br> Which function is an even function?

jonny [76]

Answer:

Step-by-step explanation:

p(x)=sin(x) is an odd function since sin(-x)=-sin(x).

q(x)=cos(x) is an even function since cos(-x)=cos(x).

r(x)=tan(x) is an odd function since tan(-x)=-tan(x).

s(x)=csc(x) is an odd function since csc(-x)=-csc(x).

So the only contender seems to be C.

Let's check. To check we have to plug in (-x) in place of (x) and see if we get the same function back since we are looking for an even function.

$f(x)=\cos(\frac{5\pi}{4}x)$

Replace (x) with (-x):

$f(-x)=\cos(\frac{5\pi}{4}(-x)$

$f(-x)=\cos(\frac{-5\pi}{4}x)$

$f(x)=\cos(\frac{5\pi}{4}x)$ since cosine is even; that is cos(-u)=cos(u) where u in this case is $\frac{5\pi}{4}x$ .

So f is even.

7 0

3 years ago

If AB = 18 and AC = 3x +6 then x=

ryzh [129]

X would equal 4
set AB=AC
18=3x+6
minus 6 on both sides
12=3x
divide both sides by 3
x=4

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3 years ago

I need help with 1-9 please help!!

professor190 [17]

Answer:

Step-by-step explanation:this is so easy

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3 years ago