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galben [10]
3 years ago
12

Is 5.565656... a rational number

Mathematics
2 answers:
seropon [69]3 years ago
7 0

Answer:

Yes 5.565656 is a rational number

Step-by-step explanation:

How do we know?

Rational: Numbers that end and do not go on forever

Examples:

Decimals that end or repeat (in your case)

Fractions

Whole numbers

Square Roots

Kitty [74]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

A rational number is a number that can be expressed as a fraction. Since the numbers after the decimal are repeating, (it's just repeating 56 over and over) it can be written as a fraction.

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Solve the system of equations using substitution. Write the solution as an ordered pair.
IrinaK [193]

Answer:

  (-3, 3)

Step-by-step explanation:

Substitute for y:

  x+6 = -2x -3

  3x = -9 . . . . . . . add 2x -6 to both sides

  x = -3 . . . . . . . . divide by 3

  y = (-3) +6 = 3 . . substitute for x in the first equation

The solution is ...

  (x, y) = (-3, 3)

4 0
3 years ago
A photographer is planning to enlarge a photograph by a scale factor of 1:5 . The original photograph has an area of 154 square
Step2247 [10]
Your answer should have been 3850 in^2 

1^2/5^2 = 1/25

1/25 = 154/x
1x= 154 (25)
1x/1= 3850/1
x= 3850
8 0
3 years ago
Read 2 more answers
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ddd [48]

Answer:

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5 0
3 years ago
Mario went to a store and bought 3 slices of pizza. The guy at the register said " that would be $3.75". Mario then said "wait,
Zarrin [17]

Answer:

$5

Step-by-step explanation:

Cost per slice

3.75 / 3 = 1.25

Cost of 4 slices

1.25 * 4 = 5

5 0
3 years ago
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Graph a line that is perpendicular to y=7/8x+3
FromTheMoon [43]
One such line is y = -8/7x + 3 (The perpendicular slope will be the negative reciprocal of the given slope. You can graph it to make sure.)

Hope this helps!
Brainliest Please!
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