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xxTIMURxx [149]
2 years ago
13

0.18=..........- -18+-1.8​

Mathematics
1 answer:
-Dominant- [34]2 years ago
3 0

Answer:

-16.02

Step-by-step explanation:

I assume the "......" is a variable replacement. I will use x instead.

0.18 = x - - 18 + - 1.8

Negative + Negative = Positive

0.18 = x + 18 + - 1.8

Positive + Negative = Negative

0.18 = x + 18 - 1.8

Combine like terms

0.18 = x + 16.2

Subtract both sides by 16.2 to isolate the variable x

0.18 - 16.2 = x + 16.2 - 16.2

-16.02 = x + 0

-16.02 = x

Check your work:

Plug in -16.02 into the original equation

0.18 = -16.02 + 18 - 1.8

They should equal each other; let's check to make sure

0.18 = 1.98 - 1.8

0.18 = 0.18

They equal each other so our answer is correct

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A stock has a price of $58.63. This is $5.92 less than the price of the stock yesterday. Write and solve an equation to find the
inysia [295]

Answer: $52.71

Step-by-step explanation:

Today's price= $58.63

Yesterday's price= y

Difference= $5.92

y+5.92 = 58.63

y = 58.63 - 5.92

= $52.71

4 0
2 years ago
What is the first quartile of the following data set?<br> 15, 18, 20, 21, 23, 24, 26, 29, 34, 37, 40
nikklg [1K]

Answer:

20.5

Step-by-step explanation:

20 + 21 = 41.   Divide 41 by 2 than you get 20.5.

3 0
2 years ago
Describe what is being done in each step while solving the equation -2x + 6 +6x = 6 ( 2x -3 )
Serggg [28]

-2x + 6 + 6x = 6 (2x - 3) <em>this is the equation</em>

-2x + 6 + 6x = 12x - 18 <em>distributive property has been applied</em>

4x + 6 = 12x - 18 <em>like terms have been added</em>

6 = 8x -18 <em>4x has been</em><em> </em><em>subtracted from both sides</em>

24 = 8x <em>-18 has been added to both sides</em>

3 = x <em>8 has been divided from both sides</em>

<em></em>

I hope this helps! Let me know if I need to explain more or if I got something wrong. Have a nice day!

5 0
3 years ago
How exactly do you do this because my teacher didn't teach me how
mylen [45]
The area is found by base x height

To find the missing height in the first one you divide 147 by 15 3/4 and get 9 1/3. 
To find the missing base in the second one you divide 140 5/8 by 11 1/4 and get 12 1/2.
To find the missing height in the third one you divide 151 3/16 by 10 1/4 and get 14 3/4. 

Make me brainliest ! :)

6 0
3 years ago
A store owner uses a selling price of 125% of the cost of an item. If a pair of jeans has a sales price of $52.50, what cost doe
IgorC [24]

Answer:

The cost store owner pay for the pair of jeans is <u>$42</u>.

Step-by-step explanation:

Given:

A store owner uses a selling price of 125% of the cost of an item.

If a pair of jeans has a sales price of $52.50.

Now, to find the cost price of the store owner pay for the pair of jeans.

Let the cost price of jeans be x.

Sell price of jeans = \$52.50.

Now, to get the cost price of store owner pay for the pair of jeans:

<em>As given the</em><em> </em><em>store owner uses a selling price of 125% of the cost of an item.</em>

According to question:

125\%\ of\ x=52.50

\frac{125}{100} \times x=52.50

1.25x=52.50

<em>Dividing both sides by 1.25 we get:</em>

x=42.

<em>The cost price of jeans = $42.</em>

Therefore, the cost store owner pay for the pair of jeans is $42.

6 0
2 years ago
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