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SSSSS [86.1K]
3 years ago
5

List all the subsets of {1}

Mathematics
1 answer:
WITCHER [35]3 years ago
4 0
Any set with one element, as is the case here, can have two subsets. Here, those subsets are the empty set {} and the whole set {1}. 
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Which value or in the solution set of the inequality − 2/3 x + 13 ≥ − 1
Svetach [21]

Answer:

x\leq21

Step-by-step explanation:

(-2/3)x+13≥ -1

    (-2/3)x≥ -14 (I subtracted by 13 on both sides)

             x\leq-14*(-3/2) (I divided by -2/3 on both sides)

             x\leq21

5 0
3 years ago
So can anyone help me with #1 and 2 and show work I have no idea what I’m doing
Neporo4naja [7]

Answer:

1.

x = 44*2

<h2>x = 88</h2>

2.

x = 62*2

<h2>x = 124</h2>

3.

x = 108/2

<h2>x = 54</h2>

4.

x = 160/2

<h2>x = 80</h2>

5.

12x = 60*2

12x = 120

x = 120/12

<h2>x = 10</h2>

6.

5x = 50/2

5x = 25

x = 25/5

<h2>x = 5</h2>
3 0
3 years ago
A pecan pie is being served for dessert. One piece of pie has an arc length of 7.85 in. It has been cut into 8 equal pieces. Wha
grin007 [14]

Answer:

The radius of the pie is 6.17 in.

Step-by-step explanation:

The formula for arc length as a function of radius is

s = r·Ф, where Ф is the central angle in radians.

Here we know that the arc length is 7.85 in.  Assuming that the whole pie has been cut into 8 equal pieces, the central angle of one such piece is

2π / 8, or π /4 (radians).

thus, s = r·Ф, solved for r, is r = s/Ф

and in this instance r = (7.85 in)/(π/4).  Evaluating this, we get:

                                 r = 6.17 in

The radius of the pie is 6.17 in.

8 0
4 years ago
A weight of meteorite A is 7 times the weight of meteorite B. If the sum of their weights is 152 tons find the weight of each
ad-work [718]

Answer:

no lo se perdon

Step-by-step explanation:

3 0
3 years ago
-2x + 3y = 1
Andre45 [30]

Answer:

-2x+3y =1.......(1)

y=3x-9........(2)

Now,

putting the value of y in equation (1),

-2x+3(3x-9)=1

or,-2x+9x-27=1

or,7x-27=1

or,7x=28

x= 4

Now putting the value of X in equation (2),

y=3×4-9

= 12-9

=3

(x,y)=(4,3)

6 0
3 years ago
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