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disa [49]
2 years ago
7

Which of the following fractions converts to a repeating decimals

Mathematics
2 answers:
Mashutka [201]2 years ago
7 0

Step-by-step explanation:

The answer is a option.

hope it helps

Amanda [17]2 years ago
6 0
Option A I believe :)
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You buy 6 apples at $0.49/apple, 1 gallon of milk at $3.48/gallon, and 2 loaves of bread at $1.49/loaf. How much was your total
Makovka662 [10]

Answer:

Your total purchase was $9.40

Step-by-step explanation:

6 x 0.49 = 2.94

1 x 3.48 = 3.48

2 x 1.49 = 2.98

2.94 + 3.48 + 2.98 = 9.4

6 0
3 years ago
How much is nine times eight ?​
liubo4ka [24]
8 x 9 = 72

So 72 is your answer
3 0
3 years ago
Find the Area of the figure below, composed of a parallelogram and two semicircles. Round to the nearest tenths place.
Mila [183]

Step-by-step explanation:

the total area = the area of full circle + the area of parallelogram = (π ×(8/2)²) + (28×7)

= (3,14 ×16)+(196)

= 50,24 +196

= 246,24

= 246,2

7 0
3 years ago
Suppose that X is a random variable with mean 30 and standard deviation 4. Also suppose that Y is a random variable with mean 50
Vladimir79 [104]

Answer:

a) Var[z] = 1600

    D[z] = 40

b) Var[z] = 2304

    D[z] = 48

c) Var[z] = 80

    D[z] = 8.94

d) Var[z] = 80

    D[z] = 8.94

e) Var[z] = 320

    D[z] = 17.88

Step-by-step explanation:

In general

V([x+y] = V[x] + V[y] +2Cov[xy]

how in this problem Cov[XY] = 0, then

V[x+y] = V[x] + V[y]

Also we must use this properti of the variance  

V[ax+b] = a^{2}V[x]

and remember that

standard desviation = \sqrt{Var[x]}

a) z = 35-10x

   Var[z] = 10^{2} Var[x] = 100*16 = 1600

   D[z] = \sqrt{1600} = 40

b) z = 12x -5

   Var[z] = 12^{2} Var[x] = 144*16 = 2304

   D[z] = \sqrt{2304} = 48

c) z = x + y

   Var[z] =  Var[x+y] = Var[x] + Var[y] = 16 + 64 = 80

   D[z] = \sqrt{80} = 8.94  

d) z = x - y

   Var[z] =  Var[x-y] = Var[x] + Var[y] = 16 + 64 = 80

   D[z] = \sqrt{80} = 8.94

e) z = -2x + 2y

   Var[z] = 4Var[x] + 4Var[y] = 4*16 + 4*64 = 320

  D[z] = \sqrt{320} = 17.88

   

7 0
3 years ago
Can you help me do number three?
Alexus [3.1K]

I solved it for you. hopefully this helps

7 0
3 years ago
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