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2 years ago

15

The sum of a number and its additive inverse is

1 answer:

BlackZzzverrR [31]2 years ago

8 0

Answer:

1+1=2 additive inverse 1/2

Step-by-step explanation:

hope it helps

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In a company, 80% of the workers are women. If 480 men work for the company, how many workers are there in all? Use pencil

nekit [7.7K]

Answer:

The total workers are<u> 2400.</u>

Step-by-step explanation:

Given:

In company 80% of the workers are women.

480 workers are men.

Now, to find the total workers in all.

<u><em>In first way:</em></u>

If women are 80%, then men would be 100-80 = 20%.

Let the total workers be $x$ .

According to question:

$20\%\ of \ x=480$

⇒ $\frac{20}{100} \times x=480$

⇒ $0.20\times x=480$

⇒ $0.20x=480$

Dividing both sides by 0.20 we get:

⇒ $x=2400$ .

Total workers = 2400.

<em><u>Now, in second way</u></em>.

Again, let the total workers be $x$ .

According to question:

$x-80\%\ of\ x=480$

⇒ $x-\frac{80}{100}\times x=480$

<em>On solving:</em>

⇒ $x-0.80x=480$

⇒ $0.20x=480$

<em>Dividing both sides by 0.20 we get:</em>

⇒ $x=2400$ .

<em>Total workers = 2400.</em>

Therefore, the total workers are <u>2400</u>.

7 0

3 years ago

Kai wrote the number 85 on the board. Is 85 a prime or composite?

Lesechka [4]

85 is not a prime, it’s a composite number.

7 0

3 years ago

Simplify the expression, if possible. (if the expression cannot be simplified, enter the given expression.) (k − 5)13 (k − 5)

k0ka [10]

2 ( k-5) 13 you don't need two k-5 you can simplify it so you just know to do it twice

6 0

3 years ago

Josiah has $100 in a savings account that earns 5% interest per year. The interest is not compounded. How much will he have in 5

professor190 [17]

Answer:

5$

Step-by-step explanation:

find 5% of 100

7 0

2 years ago

1.<br> Solve -x + 9x = -4<br> Solution x= and x =

nordsb [41]

Answer:

<h2>x = - 1/2</h2><h2 />

Step-by-step explanation:

-x + 9x = -4

8x = -4

x = -4/8

x = -1/2

4 0

3 years ago