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Debora [2.8K]
3 years ago
8

Square root of 172 ?

Mathematics
2 answers:
Veronika [31]3 years ago
3 0

Answer:

13.1148770486

.....................,...

Blizzard [7]3 years ago
3 0
Rounded it would be 13.11
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I'm making bows for holiday wreaths to be sold at the craft fair. So far I have 4 bows and used 80 inches of ribbon. Each bow us
Lerok [7]

Answer:

20 inches of ribbon.

Step-by-step explanation:

i did 80÷4=20  

so every one bows need 20 inches of ribbon.

6 0
3 years ago
2) Chicken soup is 3 cans for $0.55. How much would a<br> dozen soup cans cost?
Elenna [48]

Answer:

It would cost $2.20

Step-by-step explanation:

If 3 cans = $.55

then 3*4 = 12

soooo 4*.55 = 2.20

Hope this helps!!!

3 0
3 years ago
Read 2 more answers
How many solution are there to the equation below -46=3×+7
Archy [21]

Answer:

Only one

Step-by-step explanation:

46=3x+7    /-7

39=3x       /:3

13=x

6 0
3 years ago
PLEASEE HELP!!!!NO LINKS
tangare [24]

Answer:

I think it's choice B and D

Step-by-step explanation:

they both are a straight line and would both have a slope of zero. between point A and D is a slope obviously but D and F would not be the same slope because the line gets steeper. that's how I look at it. I'm pretty sure that's it.

8 0
3 years ago
Suppose you have an experiment where you flip a coin three times. You then count the number of heads. a.) State the random varia
coldgirl [10]

Answer:

The answer to each point is below

Step-by-step explanation:

We will solve point by point:

a)  We have to:

Random variable X = number of heads

Let, H => heads, T => tails

b) We have that the combinations are

TTT, TTH, THT, THH, HTT, HTH, HHT, HHH

Number of Heads (X)  0     1      2     3

Probability (P)             1/8   3/8  3/8   1/8

c) attached the histogram.

d)  We have the following:

Mean = E (X) = 0 * 1/8 + 1 * 3/8 + 2 * 3/8 + 3 * 1/8

m = 1.5

The mean is 1.5

e) E (X ^ 2) = 0 * 1/8 + 12 * 3/8 + 22 * 3/8 + 32 * 1/8 = 3

Variance = E (X ^ 2) - (E (X)) ^ 2

Var = 3 - (1.5) ^ 2

Var = 0.75

The variance is 0.75

f) standard deviation = (Var) ^ (1/2) = (0.75) ^ (1/2) = 0.866

sd = 0.866

the standard deviation is 0.866

g) P (2 or more heads) = 3/8 + 1/8 = 0.5

The probability is 50%

h)  P (two heads) = 3/8 = 0.375

It is likely that out of 8 times of 3 flips, 3 times we can observe two heads out of 3, therefore it is not unusual.

6 0
3 years ago
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