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Evgesh-ka [11]
3 years ago
12

Which number produces an irrational number when added to 0.5?

Mathematics
1 answer:
katen-ka-za [31]3 years ago
5 0

Any irrational number when added to 0.4 produce an irrational sum.

Example: #0.4+pi# is irrational



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Rocco has a weekly reading schedule, reading for 4.5 hours per day on some days and 3.5 hours per day on the other days. He read
AleksAgata [21]

Answer:

x = days he reads for 4.5 hours = 1 day

y = days he reads for 3.5 hours = 6 days

Step-by-step explanation:

Let

x = days he reads for 4.5 hours

y = days he reads for 3.5 hours

x + y = 7 (1)

4.5x + 3.5y = 25.5 (2)

From (1)

x = 7 - y

Substitute x = 7 - y into (2)

4.5x + 3.5y = 25.5 (2)

4.5(7 - y) + 3.5y = 25.5

31.5 - 4.5y + 3.5y = 25.5

- 4.5y + 3.5y = 25.5 - 31.5

-y = -6

y = 6

Substitute y = 6 into (1)

x + y = 7 (1)

x + 6 = 7

x = 7 - 6

x = 1

x = days he reads for 4.5 hours = 1 day

y = days he reads for 3.5 hours = 6 days

4 0
3 years ago
There is one and only one EQUATION for every Line in the coordinate plane.<br> O True<br> O False
yarga [219]

Answer:

False

Step-by-step explanation:

6 0
2 years ago
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The answer for #1 is y = - 3/2 x + 6
8 0
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If 18: x = x: 8, find x.
sweet [91]

Answer:

x=12

Step-by-step explanation:

first we simp. 18:x=x:8 to x^2=18*8. In which case it is x^2=144 x=12

8 0
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Read 2 more answers
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3 years ago
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