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Roman55 [17]
3 years ago
10

Evaluate 1 3 m − 1 − 1 2 n 3 1 ​ m−1− 2 1 ​ nstart fraction, 1, divided by, 3, end fraction, m, minus, 1, minus, start fraction,

1, divided by, 2, end fraction, n when m = 2 1 m=21m, equals, 21 and n = 1 2 n=12n, equals, 12.
Mathematics
1 answer:
luda_lava [24]3 years ago
3 0

Answer:

  0

Step-by-step explanation:

Apparently, you want the value of ...

  \dfrac{1}{3}m-1-\dfrac{1}{2}n = \dfrac{m}{3}-\dfrac{n}{2}-1\\\\=\dfrac{21}{3}-\dfrac{12}{2}-1=7-6-1\\\\=\boxed{0}

The value of the given expression for the given variable values is zero.

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3 35/44 as a decimal
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3.79545454545 or 3.7954 with a little line over the 54 showing its repeating.

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I need to know what is the m< DBC?
Artist 52 [7]

Answer:

120

Step-by-step explanation:

The sum of the angles is 180 since it forms a straight line

2x+ x+90 = 180

Combine like terms

3x +90=180

Subtract 90 from each side

3x+90-90=180-90

3x= 90

Divide each side by 3

3x/3 = 90/3

x = 30

We want angle DBC = x+90

                                   = 30+90

                                   =120

5 0
3 years ago
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Square perimeter= 20 triangle base= 3 and height =3.5 find the percentage of the area inside the square shaded
Lisa [10]

Answer:

Area of geometric figures mentioned calculated.

Step-by-step explanation:

Square Perimeter = 4 x sides of square = 20. So, each equal side of square = 20 / 4 = 5

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3 0
3 years ago
I'm taking a special math class to help in prove in a few areas before the real stuff begins. Heres the question.
Alekssandra [29.7K]
Whole numbers are numbers that are not fractions and do not include negative numbers
an example is
0,1,2,3,4,5,....

so let's see if any numbers make the statements fale
y is z less than x
y=-z+x
does this equal y+x=z?
y=-z+x
add z
y+z=x
subtract y
z=-y+x
not equal to z=y+x
so first is not the answer

y is z more than x
y=z+x
subtract x
y-x=z
not equal to z=y+x
so secod is not answer either


x is y less than z
x=-y+z
add y
x+y=z
this is equal to x+y=z to this is correct

xis y more than z
x=y+z
subtract y
x-y=z
this is not equal to x+y=z

therefor the answer is x is y less than z

8 0
3 years ago
Read 2 more answers
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