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MrMuchimi
2 years ago
14

Which equation demonstrates the additive identity property? (7 4 i) (7 minus 4 i) = 14 (7 4 i) 0 = 7 4 i (7 4 i) (1) = 7 4 i (7

4 i) (negative 7 minus 4 i) = 0
Mathematics
1 answer:
viktelen [127]2 years ago
7 0

An equation is formed of two equal expressions. The equation that demonstrates the additive identity property is (7+4i)+0 = (7+4i).

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The additive identity property states that any number when added to 0, the result is the number itself. Therefore, the equation that demonstrates the additive identity property is (7+4i)+0 = (7+4i).

Learn more about Equation:

brainly.com/question/2263981

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Directions: Solve these equations by using addition. You will need to use your fraction and decimal skills to solve these
Marina CMI [18]
One simple way to approach this is to subtract the number that DOESN’T have the variable with the solution by the sum.
Lets use problem 1 as the example:
1.) N+8=13
In this case, we subtract 13 by 8 and get 5, therefore N= 5.

2.) B+17=62
62-17= 45
B= 45

3.) X+5/6= 7/16
7/16-5/6= -19/48
X= -19/48

4.) y+1/7=5/8
5/8-1/7= 27/56
Y= 27/56

5.) 14+y=69
69-14=55
Y=55

6.) c+3.6=4.9
4.9-3.6=1.3
C= 1.3

Now for the word problems:
Lets use 7 as the example-
7.) a number increased by 19 is equal to 221.
Since we don’t know the number being increased by 19, that will be our variable. It will be re-written as so:

N + 19 = 221

Where N is the unknown number.

Using the same method of subtracting by the sum and the number that’s not the variable, we’ll get the solution to N
221-19= 202
N= 202

8.) N + 1 2/3 = 8
8 - 1 2/3 = 19/3= 6 1/3
N= 6 1/3

I really hope this helps
6 0
2 years ago
Dan pays £714.73 a year in his car insurance. The insurance company reduces the price by 4.1%. How much does the insurance cost
FrozenT [24]

Answer:

£682.57

Step-by-step explanation:

Dan pays £714.73 a year in his car insurance.

The price was reduced by 4.1%

To find the new cost of the insurance, we simply need to find 4.15% of £714.73 and then subtract that from the initial price of the insurance (£714.73)

4.5% of 714.73 is:

\frac{4.5}{100} * 714.73 = £32.16

Then, the cost of the insurance now is:

£714.73 - £32.16 = £682.57

The insurance now costs £682.57

4 0
3 years ago
Which graph represents the solution to the linear system<br> Sy=-3x-5<br> -5?<br> y= 3x +1
love history [14]

Answer:

Step-by-step explanation: both graphed is D

6 0
3 years ago
Read 2 more answers
Please answer nehjdhdhe
joja [24]
Hello!!

We know y = 7 + x. Substitute this into our other equation,

2x = (x + 7) - 10
2x = x - 3
x = -3

Now, we know that x = -3 so, we can conclude that the answer is choice B.

Hope this helps!! Let me know if you have ANY questions.
5 0
3 years ago
The pre-image I will give you brainless
zysi [14]

Answer:

The scale factor is 1/2.

Step-by-step explanation:

Before the scale is put into effect, each coordinate is double of after the scale is put into effect. Its ratio of 2:1, so it'd be 1/2.

6 0
3 years ago
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