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Contact [7]
3 years ago
15

What expression could describe the number of squares in the next figure in the pattern. figure 1.. is 2 square figure 2.. is 5 s

quare figure 3 is 8 square. What is figure 4?
Mathematics
2 answers:
leva [86]3 years ago
8 0
The pattern in that you add 3 each time. 2+3=5, 5+3=8, 8+3=11
Figure 4 would be 11 
const2013 [10]3 years ago
5 0
4 11 hope it helps it was a bit hard
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1 2 3 4 5 6 7 8 9 10 11 12 13
Rina8888 [55]

Answer:

The mean will increase more than the median, but both will increase.

[third option listed]

Step-by-step explanation:

the <em>median </em>of a data set is the number in the middle [when listed from lowest to highest in value]

1 2 3 4 5 6 7 8 9 10 11 12 13

is the current median

let's consider what adding 12 would mean--it would mean that we move the median slightly higher [further along in the data set] because there are more numbers (but let's try this out to confirm:)

1 2 3 4 5 6 7 8 9 10 11 12 12 13

[if a median placement is shared between two numbers, the mean/average of those two numbers is taken, and that is considered to be the median]

so, 7.5 is the current median

(this is an increase of 0.5)

--

the <em>mean</em> of a data set is what we commonly refer to as the "average"

[you find this value by adding all of the numbers in the data set together and dividing by the number of terms in the data set]

1 2 3 4 5 6 7 8 9 10 11 12 13

mean of original data set:

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 [= 91]

_______________________________________

                                    13

[91 ÷ 13 = 7]

because our number is <em>greater </em>than our original mean [12 > 7], we know that the mean must increase:

[91 + 12 = 103]

[103 ÷ 14 ≈ 9.36]

[we had an increase of 2.36]

so, median increased by 0.5, mean increased by 2.36

so, both values increased, whilst the mean increased by <em>more </em>than the median [as to be expected]

you could also express this as "The mean will increase more than the median, but both will increase." [third option listed]

hope this helps!! :)

3 0
2 years ago
The arnold family arrived ar the beach at 10:30 A.M. Thay spent 3 3/4hours there. What time dud they leave the beach?
VMariaS [17]
The arnold family arrived at the beach at 10:30 A.M.

10:30 

Add 3 hours and 3/4 minutes to that

3/4 = 75% of 60

.75 * 60 = 45

3 hours and 45 minutes 

10:30 >> 3 hours more = 1:30
1:30 + 45 mins = 2:15

Answer would be: They left at 2:15


5 0
3 years ago
Read 2 more answers
Let sin(47o)=0.7314 . Enter an angle measure (β ), in degrees, for cos(β)=0.7314
amid [387]
Sinx = cosb => x + b = 90 <=> b = 90 - 47 = 43o
8 0
3 years ago
Find the distance between the points with the given coordinates (-8,-6),(4,10)​
Serggg [28]

Hello from MrBillDoesMath!

Answer:

20

Discussion:

Let (x1,y1) = (-8, -6) and (x2,y2) = (4,10). Per the distance formula,

Distance = sqrt (  (x1-x2)^2 + (y1-y2)^2 )  so

Distance = sqrt (  (-8-4)^2 + (-6-10)^2 )

                = sqrt( (12)^2 + (-16)^2 )

                = sqrt( 144     + 256 )

                = sqrt(400)

                = 20

Thank you,

MrB

3 0
3 years ago
Read 2 more answers
-4 ( 6 - 2n ) = 30 + 8n <br><br> Please help me
pogonyaev
N = no solution

-4 ( 6 - 2n ) = 30 + 8n
-24 + 8n = 30 + 8n
Subtract 8n from both sides
-24 = 30
This is invalid therefore no solution
3 0
2 years ago
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