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Leno4ka [110]
3 years ago
5

A landscaping company placed two orders with a nursery. The first order was for 13 bushes and 4 trees, and totaled $327.50. The

second order was for 6 bushes and 2 trees, and totaled $142.96. Sam tried to use system of equation to solve the problem If "b" represents bushes and "t" represents trees which system can Sam use?
A 13b + 2t = 327.50 6b + 4t = 142.96

B. 13b + 4t = 142.96 6b + 2t = 327.50

C 4b + 13t = 327.50 2b + 6 = 142.96

D 13b + 4t = 327.50 6b + 2t = 142.96​
Mathematics
1 answer:
Ivenika [448]3 years ago
7 0

Answer:

A

Step-by-step explanation:

because mathematics of mathatics equals mathematics

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-0.75-(-2/5)+0.4+(-3/4)
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-0.75-(-2/5)+0.4+(-3/4) =  -0.7 simplified, how I got this answer can be found below in 16 steps.

1 - First thing we want to do is remove the parentheses.

-0.75 - (-2/5) + 0.4 - 3/4

2 - Then we simplify, multiply -1 by -1.

-0.75 + 1 (2/5) + 0.4 - 3/4

3 - Then multiply 2/5 by 1.

-0.75 + 2/5 + 0.4 - 3/4

4 - Then we want to write - 0.75/1 as a fraction with a common denominator, we do this by multiplying by 5/5.

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5 - Then we write each expression with a common denominator of 5, we multiply each one by a factor of one.

-0.75 * 5/1*5 + 2/5 + 0.4 - 3/4

6 - Then we multiply 5 by 1.

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7 - Then we combine the numerators over the common denominator.

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8 - We multiply -0.75 by 5.

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9 - Then we add -3.75 and 2.

-1.75/5+0.4-3/4

10 - And then we divide -1.75 by 5.

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11 - Then add -0.35 and 0.4.

0.05 - 3/4

12 - We then write 0.05/1 as a fraction with a common denominator, we do this via multiplying it by 4/4.

0.05/1 * 4/4 - 3/4

13 - Then we write each expression with a common denominator of 4, through multiplying each by a factor of 1.

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14 - We combine the numerators over the common denominator.

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15 - We simplify.

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16 - Then we divide -2.8 / 4

The final answer is -0.7

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