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solniwko [45]
3 years ago
7

Write an algebraic expression that illustrates the multiplicative identity

Mathematics
2 answers:
dolphi86 [110]3 years ago
8 0
The multiplicative Identity says that anything times one is itself. Here's a couple  equations to show this:

15 x 1 = 15
16 x 1 = 16
132213 x 1 = 132213

Algebraic: y * 1 = y

It works for every number
suter [353]3 years ago
5 0
1 * x  = x 
x * 1  =  x

are 2 examples
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cluponka [151]
3. Is 4 2. Is x hoped this helped
5 0
3 years ago
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Which number line represents the solutions to |x – 5| = 1? A number line from negative 7 to 7 in increments of 1. Two points, on
pochemuha

Answer:

Two points, one at 4 and one at 6.

Step-by-step explanation:

<u>Equations with absolute value </u>

The absolute value of a number x denoted as |x| is a number with the same magnitude with a positive sign. When we know the result of an absolute value, we cannot know if the original number is positive or negative.  

If |x| = a, a>=0, then x=a or x=-a

The equation to solve is |x – 5| = 1. If we apply the above criteria, then

x-5=1 or x-5=-1

Which gives us two possible solutions for x

x=6

x=4

The correct answer is  

Two points, one at 4 and one at 6.

8 0
3 years ago
Read 2 more answers
Write the scale factors and values for x for the pairs of similar triangles below. 9 cm x cm 4 cm 2 cm Scale Scale Factor: X=​
Neporo4naja [7]

The scale factor of the similar triangles is: 1/2. The value of x is: 4.5 cm.

<h3>Scale Factor of Similar Triangles</h3>

Scale factor of similar triangles is the ratio of their corresponding sides.

Given the two similar triangles in the diagram attached below, we have the following scale factor as:

Scale factor = 2/4 = 1/2

Therefore:

x = 1/2 × 9

x = 4.5 cm.

Therefore, the scale factor of the similar triangles is: 1/2. The value of x is: 4.5 cm.

Learn more about scale factor on:

brainly.com/question/2826496

8 0
3 years ago
What is the solution to the equation 9^(x - 1) = 27?
s344n2d4d5 [400]
9^{x - 1} = 27 \\ln(9^{x - 1}) = ln(27) \\(x - 1)ln(9) = ln(27) \\x - 1 = \frac{ln(27)}{ln(9)} \\x = \frac{ln(27)}{ln(9)} + 1 \\x = 2.5

Thhe answer is equal to A. x = 2.5.
5 0
3 years ago
Read 2 more answers
Evaluate 4x-3y+(7x-7y) for x = 6 and y =-1
kvv77 [185]
In order to do this, fill in the x and y variebles with their values, this will leave you with 4(6)-3(-1)+[7(6)-7(-1)], now multiply all of your numbers to get
 24+3+(42+7), now add inside the parenthesis to get 24+3+(49), now add all the numbers to get 76

Hope this helps
3 0
4 years ago
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