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alex41 [277]
3 years ago
14

The sum of a rational number and irrational number is irrational.

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0

Answer:

A) Always True

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A master electrician earns $62 per hour. His apprentice earns $40 per hour. The master electrician works 3 hours more than the a
photoshop1234 [79]
X=hours master worked
y=hours apprentice worked


62x+40y=492

if master worked 3hours more than apprntice
x=3+y

sub 3+y for x

62(3+y)+40y=492
expand
186+62y+49y=492
186+102y=492
minus 186 both sides
102y=306
divide both sides by 102
y=3

sub back
x=3+y
x=3+3
x=6

master electrician worked 6 hours
6*62=372

master electrician earned $372
7 0
3 years ago
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35<br> How do you write as a percentage?<br> 50
DerKrebs [107]

Answer:

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Step-by-step explanation:

Hope this helps!

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2 years ago
Which of these is the algebraic expression for "4 times the sum of 2 and y?"
Volgvan

Answer:

4(2 + y)

Step-by-step explanation:

"4 times the sum of 2 and y".

<h3>Hope it is helpful...</h3>
5 0
3 years ago
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13 points !!-1/4 &gt; 1/2
Brrunno [24]
-1/4 is less then 1/2 because -1/4 is negative and 1/2 is positive and also -1/4 is 25% and 1/2 is 50%
4 0
3 years ago
2 5/8 as a rational number ??
arlik [135]

Answer:

It's already a rational number?

Step-by-step explanation:

A rational number is any number that can be written as a fraction/ratio, and 2\frac{5}{8} is certainly a fraction. If you meant 2\frac{5}{8} as a decimal, then it'd be 2.625.

6 0
2 years ago
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