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KengaRu [80]
3 years ago
15

-4/7+2/7x-14x4/7 simplifying expressions

Mathematics
1 answer:
kakasveta [241]3 years ago
3 0

Answer:

-4/7 - 7.83673469388x

Step-by-step explanation:

-4/7 + 2/7x - 14x × 4/7

2/7x - 14x

-4/7 + -13.7142857143x × 4/7

-4/7 -7.83673469388x

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adell [148]

Answer:

$4.38

Step-by-step explanation:

First, we need to find out how much the item costs with the sales tax. 4.5% is also equal to 0.045. We can multiply 14.95 by 0.045 to get the sales tax. This would end up to be 0.67275 which we can round to 0.67. We can now add 0.67 to 14.95 to get $15.62. Since we gave the cashier a $20 bill we need to subtract 20 by 15.62 to get $4.38.

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3 years ago
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-3x+2y=6 Find the intercepts. Show your work.
Arte-miy333 [17]

Answer:

The x-intercept is (-2,0)

The y-intercept is (0,3)

Step-by-step explanation:

An x-intercept is the point when the graph crosses the x-axis. In other words, the y-coordinate of the x-intercept is 0 (since it lays on the x-axis). In other words, to solve for the x-intercept(s), plug in 0 for y and solve for x:

-3x+2y=6\\-3x+2(0)=6\\-3x=6\\x=-2

So, the x-intercept is (-2,0).

Likewise, the y-intercept is the point when the graph crosses the y-axis. Because it's on the y-axis, the x-coordinate value would be 0. Thus, to find the y-intercept, plug in 0 for x and solve for y:

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Thus, the y-intercept is (0,3).

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3 years ago
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nikklg [1K]
Answer: 13/25

Explanation:

There are 25 men in total
12 were to be given gifts

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P = 25/25 - 12/25 = 13/25
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{\underline{\orange{\textsf{\textbf{ Answer : }}}}}

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Answer:

x= -26

Step-by-step explanation:

-14 = x + 12

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3 years ago
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