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andrey2020 [161]
2 years ago
11

A chemist creates a solution that contains the following ingredients and quantities

Mathematics
2 answers:
vampirchik [111]2 years ago
5 0

Answer:

2/5 cups of silver oxide

1/10 cups of water

1/10 cups of potassium

Step-by-step explanation:

5+ 5 + 10 + 10+ 20 = 50

there are 50 total cups

now we must find the number to divide 50 by to get the 1 cup that we need

50 / 50 = 1

Now that we know what to divide by to get the quantities for 1 cup of solution, time to get the quantities

there are 20 cups of Silver oxide

20 / 50 = 2/5 cups

there are 5 cups of water

5 / 50 = 1/10 cups

there are 5 cups of potassium

5 / 50 = 1/10 cups

lapo4ka [179]2 years ago
4 0

it is 17

Step-by-step explanation:

ur wecom

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When Kirk and Elisa formed their general partnership, Kirk contributed 90 percent of the capital, and Elisa contributed 10 perce
topjm [15]

Answer:

Her share is $3500

Step-by-step explanation:

As a general rule, if they did not make any specifications on how they would share the profit, then they should share it according on how percentage of capital they contributed. Since Elisa only contributed 10%, then she should get only 10% of profit, as a result, her share is 35000*0.1 = $3500.

3 0
3 years ago
Can someone help me figure this out no guessing
laiz [17]
Your answer is x = 2.92 = 3.
To answer this question you need to use trigonometry, so the first step is to identify the hypotenuse, opposite, and adjacent.
Because the angle 73 is in the bottom corner next to the length x, we know that the length x is the adjacent. The length 10 is opposite the right angle so this must be the hypotenuse.
We know that cos(θ) = adjacent/hypotenuse, so we can substitute in what we know:
cos(θ) = adjacent/hypotenuse
cos(73) = x/10
Now we can rearrange for x:
cos(73) = x/10
× 10
cos(73) × 10 = x
Finally we just type this into the calculator and get the answer as 2.92 or 3.
I hope this helps!
5 0
2 years ago
Of the 80 boys 55% play video games daily .how many boys play video games daily
s2008m [1.1K]
If you would like to know how many boys play video games daily, you can calculate this using the following steps:

55% of 80 = 55% * 80 = 55/100 * 80 = 44

Result: 44 boys play video games daily.
6 0
3 years ago
Read 2 more answers
List the first three multiples of both 3 and 9.
tia_tia [17]

Answer:

9,18 and 27

hope this helps u

8 0
3 years ago
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A washer and a dryer cost $572 combined. The washer cost $78 less than the dryer. What is the cost of the dryer?
Anni [7]

Answer:

$325

Step-by-step explanation:

Let the dryer price be x, then the washer price would be x-78

x+x-78 = 572

2x = 650

x = 325

4 0
2 years ago
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