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Serjik [45]
3 years ago
14

The number 0.8 can be written as 8/10, so it is an irrational number? true or false

Mathematics
1 answer:
Marat540 [252]3 years ago
3 0
It is not an irrational number
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Multiply (3)(−4)(2). (5 points) Group of answer choices −48 −24 24 48
vladimir2022 [97]

Answer:

-24

Step-by-step explanation:

3 * -4 =.-12

-12 * 2 = -24

8 0
3 years ago
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Find the value of x and the measure of the missing angle labeled A:
Nostrana [21]

Answer:

x = -2

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Step-by-step explanation:

x + 37 + x + 57 = 90

reduce:

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8 0
3 years ago
What is the value of the expression -(-4)(-6)-3/5(10+15)
ladessa [460]

Answer:

-(-4)(-6)*3/5(10+15)

when there is a (-) in front of an expression in parentheses, change the sing of each term in the expression.

4*(-6)*3/5*(10+15)

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4(-6)*3/5*25

multiplying an odd number of negative terms makes the product negative

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solution

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8 0
3 years ago
Solve: 4= -0.8n<br> I forgot how to do this can someone help?
frez [133]

Answer:

<em>n</em><em> </em><em>=</em><em> </em><em>-5</em>

Step-by-step explanation:

<em>Just</em><em> </em><em>divide</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>with</em><em> </em><em>-0</em><em>.</em><em>8</em>

<em>:</em><em>)</em><em> </em>

8 0
3 years ago
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Assume the radius of a circle is
Lisa [10]

Answer:

Step-by-step explanation:

They want you to see how radius is important.  Just remember that one radian is one radius,  that should help  you see why radius is important.

They ask for the unit circle ,  that is a circle of one unit for the radius,  which makes it super easy to calculate things for it,  they ask what is the area, which is that famous formula, πr^{2} ,  then they ask what's its circumference.  which is that other famous formula  2πr

so to go all the way around a circle of one unit radius,  it's  2π  exactly or about 6.28..... units,   call it meters, or feet or inches, it doesn't mater here.

the size of the circle doesn't matter here either,  b/c we are using the radius ,  that relaationship doesn't change ,  all circles,  what ever size , have this same relationship between the radius and radians.    :P  this is handy.  

7 0
2 years ago
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