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galben [10]
2 years ago
12

Is 5.565656... a rational number

Mathematics
2 answers:
seropon [69]2 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]2 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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Do you think a sequence of translations across the x- or y- axis and/or reflections on a figure could result in the same image a
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I think just two reflections would do it.


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Then we reflect through the y axis, x=0.


The composition of the two reflections is equivalent to a 90 degree clockwise rotation.



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2 years ago
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Given: ΔABC, AC = BC, AB = 3 CD⊥ AB, CD = 3 Find: AC
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Answer:

3\sqrt{5}/2

Step-by-step explanation:

As given, AC = BC, its an isosceles triangle.

Now, CD is perpendicular to AB, therefore AD = DB = 0.5AB = 3/2

Now take triangle ACD,

using Pythagoras theorem,

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:-)

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Answer:

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2 years ago
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If ce = 7x+4, find the value of x
Kryger [21]

Answer:

x = \frac{y}{7} - \frac{4}{7}

Step-by-step explanation:

Since it will be easier, just set "ce" as one term. Let ce = y

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Do the opposite of PEMDAS.

First, subtract 4 from both sides:

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y (-4) = 7x + 4 (-4)

y - 4 = 7x

Next, Divide 7 from both sides:

(y - 4)/7 = (7x)/7

(y - 4)/7 = x

x = (y/7) - (4/7)

Your value of x is \frac{y}{7} - \frac{4}{7}

~

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2 years ago
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Lola tossed a coin twice. She made a tree diagram to show the possible outcomes. Which tree diagram shows the sample space for t
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Answer:

Sample space for two tosses of a coin [HH, TT, HT,TH]

Step-by-step explanation:

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