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svp [43]
3 years ago
5

A utility line runs underground through Shayne's rectangular backyard. Shayne is not allowed to dig within 3 feet of the utility

line. The diagram below shows the dimensions of Shayne's backyard in feet. The dashed line represents the utility line.

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0
Its 272ft sq because if it is the area you can dig then you have to take away the No digging part and multiply the parts where you can dig.
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3 years ago
Bill wants to make 10Lcof a 30% saline solution by mixing together a 60% saline solution and a 10% saline solution. How much of
erastovalidia [21]

10 L of 30 % saline solution can be formed by mixing 4 L of 60 % saline solution and 6 L of  10 % saline solution.

Step-by-step explanation:

Let x be the number of liters of 60% saline solution

Now we require 10 L of 30% saline solution.

Liter soln %  liters  saline %  

30 %                 10        0.3  

60 %                   x        0.6

10 %                  10-x      0.1

Now forming the algebraic equation,

0.6x + 0.1 (10-x) = 10 (0.3)

0.6x + 1 - 0.1 x  = 3

0.5 x = 2

x = 4 ( 4 l of 60 % solution is required. So 10 % saline solution required is 10 - 4 = 6 L).

Hence, 10 L of 30 % saline solution can be formed by mixing 4 L of 60 % saline solution and 6 L of  10 % saline solution.

6 0
3 years ago
Read 2 more answers
If f (x)=1/3(6)x what is f(2)
Ksju [112]

Answer: 4

Step-by-step explanation:

f (x)=1/3*(6)*x

f (2)=1/3*(6)*2=2*2=4

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3 years ago
Expression for the quotient of b divided by the difference of two minus 3
uysha [10]

Answer:

The required expression is

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Step-by-step explanation:

 

Difference of two minus three = 2-3

Quotient of b divided by the difference of two minus three is

                                             \frac{b}{2-3} = \frac{b}{-1} = - b

Therefore, the required expression is

                                                  \frac{b}{2-3}  \ \ \ \ \ \ \ \ or \ \ \ \ \ \ \ \  - b

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3 years ago
Question 7
CaHeK987 [17]

Answer:

6.6

Step-by-step explanation:

The way to do this is to find the tax as a decimal. Worry about the 100 later.

54 * x = 3.56

Divide by 54

x = 3.56/54

x = .06593

Now use the 100

0.06592 * 100 = 6.593

But you want it rounded to the 1/10

So you should get 6.6 %

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3 years ago
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