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lisabon 2012 [21]
3 years ago
15

Convert 0.450 to a proper fraction

Mathematics
1 answer:
Aneli [31]3 years ago
4 0

Answer:

9/20

Step-by-step explanation:

450/1000

this is not the answer, because it is not simplified

so here we have to find common factor and simplifying

________________________________________________

450/1000 is simplified to 9/20, and it can no longer be simplified.

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Write the equation of a line perpendicular to 5x−9y=−8 that passes through the point ​(−5​,8​).
Fantom [35]

Answer:  y = -(9/5)x - 1

Step-by-step explanation:

Rewrite the equation in standard form:  y = (5/9)x+(8/9).  [y=mx+b]

A line perpendicular to this would have a slope that is the negative inverse of the original slope (5/9), which would make it -(9/5).  The y-intercept would also change, but we don't know the value, yet.  For now, we'll use "b" for the y-intercept.  This results in a perpendicular line:

y = -(9/5)x + b

We can calculate b, the y-intercept, by using the point (-5,8) and solving for b.

8 = -(9/5)*(-5) + b

8 = (9) + b

b = -1

The line perpendicular to 5x−9y=−8 that passes through the point ​(−5​,8​) is

y = -(9/5)x - 1

7 0
3 years ago
Please help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
mash [69]

Answer:

4

Step-by-step explanation:

Multiply both sides by 7.

5s+8=28

Subtract 8 from both sides.

5s=20

Divide 5 from both sides,

s=4

3 0
3 years ago
Read 2 more answers
I think the answer is A. 95, but I am not sure.
Darya [45]
It is 95/A ur not wrong
8 0
3 years ago
The Brown family needs to rent a truck for their upcoming move. Express Movers will charge them $25 for the first day and $0.80
ankoles [38]
Express Movers equation would be y= 25 + .8x
Smith equation would be y= 35 + .6x
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Helps the first 2 questions
andriy [413]

Answer:

The first one is 5m - 4y.

The second one is 3x - 4y.

Step-by-step explanation:

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3 years ago
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