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Zarrin [17]
3 years ago
9

A square rug covers 79 square feet of floor. What is the approximate length of one side of the rug? (approximate to the nearest

hundredth foot. ) 8. 86 feet 8. 87 feet 8. 88 feet 8. 89 feet.
Mathematics
1 answer:
Sonbull [250]3 years ago
4 0

Answer:

8.89 feet

Step-by-step explanation:

\sqrt{79} = 8.888, rounded to nearest hundredth would be 8.89

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A group of kids just finished trick-or-treating. The number of pieces of candy collected by each of the 5 kids
NemiM [27]

Answer:

s = \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

s =\sqrt{\frac{(31-35)^2 +(33-35)^2 +(36-35)^2 +(41-35)^2 +(34-35)^2}{5-1}} =3.808

And the answer for this case would be :

s= 3.81 after round the value

Step-by-step explanation:

We have the following data set given:

31, 33, 36, 41, 34

If we want to find the standard deviation we need to find first the sample mean with this formula:

\bar X = \frac{\sum_{i=1}^n X_i}{n}

And replacing we got:

\bar X = \frac{31+33+36+41+34}{5}= \frac{175}{5}= 35

Now we can find the sampel deviation with this formula:

s = \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

And replacing we got:

s =\sqrt{\frac{(31-35)^2 +(33-35)^2 +(36-35)^2 +(41-35)^2 +(34-35)^2}{5-1}} =3.808

And the answer for this case would be :

s= 3.81 after round the value

6 0
4 years ago
What is the solution of the inequality?<br> 2(m + 3) &lt; -5 +3m
natima [27]

Answer:

m>11

Step-by-step explanation:

2(m+3)<-5+3m

2(m+3)>3m-5

2m+6>3m-5

6<3m-5-2m

6<m-5

6+5<m

11<m

m>11

5 0
3 years ago
637 x 3 find the products. Show your thinking. The first row gives some ideas for showing your thinking
Colt1911 [192]

Answer:

1,911

Step-by-step example

3 x 7

3 x 30

3 x 600

then add it all up to get the 1,911

6 0
3 years ago
Eight two-person teams are participating in a three-legged race. Find the number of orders in which all 8 teams can finish the r
Wewaii [24]
Each team needs two people for a 3-legged race.
Therefore, the number of orders (combinations) of 2 people at a time from 8 is
₈C₂ = 8!/(2!6!)
      = (8*7*6!)/(2*6!)
      = (8*7)/2
      = 56/2
      = 28

Answer: 28
8 0
3 years ago
Jada and Lin are comparing inches and feet. Jada says that the constant of proportionality is 12. Lin says it is 1/2. Do you agr
Pavel [41]

Answer:

i agree with jada

Step-by-step explanation:

i agree with jada because 12 inches are in 1 foot so you need 12 constantly to compare inches and feet

5 0
4 years ago
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