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soldi70 [24.7K]
2 years ago
7

Simplify ech answer into a fraction, Show all work please!

Mathematics
1 answer:
Gnom [1K]2 years ago
6 0

Answer:

the first one is -9/40. the second one is 109/20. the third one is -8/35.

Step-by-step explanation:

here is the work for the first one 3/8-.6 and convert into a simplified fraction and came up with -9/40. here is the work for the second one 4 4/3+0.7 and then convert into a simplified fraction and came up with 109/20. here is the work for the third one 4/7-0.8 and then convert into a simplified fraction and came up with -8/35.

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Simplify -6 1/4 - (-2 1/8)
OLEGan [10]
- 6   \frac{1}{4}  +  2  \frac{1}{8}

- 6   \frac{1}{4}  -  (- 2  \frac{1}{8}  )

(-6 + 2 ) + ( -\frac{1}{4}  +   \frac{1}{8} ) )

(-4) + ( - \frac{1}{8})

- 4  \frac{1}{8}
6 0
2 years ago
You need to cut and fabricate copper tube for branch lines in a church. You need 20 pieces of copper tube, each one 5 feet long.
Maru [420]

Answer:

Step-by-step explanation:

u need 20 pieces of copper tube...each one 5 ft long...

so u need a total of (5 * 20) = 100 ft.

if the pipe comes in 10 ft lengths, u would need (100/10) = 10 lengths

5 0
3 years ago
Read 2 more answers
What is 0.06 divided by 3.6?
Komok [63]
The answer would be 0.0166666667.
8 0
2 years ago
A water park had 9081 visitors in June. The ratio of adult to children was 4 : 5. An adult ticket costs $10 and a child's ticket
melomori [17]

Answer:

Yes, the manager is correct

Step-by-step explanation:

In order to know this, we need to determine the total sale of the park in June and July for both adults and children.

In the month of june we have the following:

Visitors: 9081

Ratio A:C = 4:5

Adult ticket: 10$

Child ticket: 8$

So, if the ratio is 4:5, we can say that in 9 visitors, we have 4 adults and 5 child, therefore we can determine how many adults went in june:

If  4 adults --------> 9 people

Then  X adults ---------> 9081 people

Solving for X:

X = 9081 * 4 / 9 = 4036 adults

This means that the number of child is:

C = 9081 - 4036 = 5045 childs

The total sales of the park in June would be:

T = (4036 * 10) + (5045 * 8) = 80,720$

This is the sale for the month of June. Let's apply the same procedure to the month of July, and then, we'll compare the sales and the percentage.

In the month of july we have the following:

Visitors: 7000

Ratio A:C = 2:5

Adult ticket: 15$

Child ticket: 11$

So, if the ratio is 2:5, we can say that in 7 visitors:

If  2 adults --------> 7 people

Then  X adults ---------> 7000 people

Solving for X:

X = 7000 * 2 / 7 = 2000 adults

This means that the number of child is:

C = 7000 - 2000 = 5000 childs

The total sales of the park in June would be:

T = (2000 * 15) + (5000 * 11) = 85,000$

As we can see, the month of July was better, now, let's calculate the percentage of increase:

% = 85,000 - 80,720 / 85,000

% = 0.05035 * 100

<h2>% = 5.035%</h2>

Hence, we can conclude that the manager was right and it was a increase of more than 5% (But just for a pinch).

Hope this helps

8 0
3 years ago
Solve the equation <br> 5* = 125
lutik1710 [3]

Answer:

x=3

Step-by-step explanation:

5^{x} = 125\\5^{x} = 5^{3} \\x=3

3 0
3 years ago
Read 2 more answers
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