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LuckyWell [14K]
4 years ago
15

The box-and-whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grad

es at Lincoln Middle School.
a) Describe the overlap of the two sets of data.

b) Find the IQR of each set.

c) Find the difference between the medians of the sets.

d) What number multiplied by the IQR equals the difference between the medians of the two sets?
Mathematics
2 answers:
Nataliya [291]4 years ago
6 0

Answer:

C = 12

Step-by-step explanation:

Because the median on the 8th grade texting would be 30 and the median for the 7th grade would be 18. 30-18=12. Your welcome even though I am late.

serg [7]4 years ago
3 0
The over lap of the to sets of data is that 8th text 4 more than 7th

Q1 38 Q2 22 Q3 is 6 

the median is 20

im not sure about d) but B) might be flipped im so sorry for the wait hopefully i helped you :)

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Find all the missing dimensions when a=9, b=13, c=64°
DerKrebs [107]

Answer:

Part 1) c=12.14\ units

Part 2) m\angle A=41.78^o

Part 3) m\angle B=74.22^o

Step-by-step explanation:

step 1

Find the measure of side c

Applying the law of cosines

c^2=a^2+b^2-2(a)(b)cos(C)

we have

a=9\ units\\b=13\ units\\C=64^o

substitute

c^2=9^2+13^2-2(9)(13)cos(64^o)

c^2=81+169-234cos(64^o)

c^2=250-234cos(64^o)

c^2=147.4212

c=12.14\ units

step 2

Find the measure of angle A

Applying the law of sines

\frac{a}{sin(A)}=\frac{c}{sin(C)}

substitute the given values

\frac{9}{sin(A)}=\frac{12.14}{sin(64^o)}

solve for sin(A)

sin(A)=\frac{sin(64^o)}{12.14}(9)

sin(A)=0.6663

m\angle A=sin^{-1}(0.6663)=41.78^o

step 3

Find the measure of angle B

we know that

The sum of the interior angles in any triangle must be equal to 180 degrees

so

m\angle A+m\angle B+m\angle C=180^o

substitute the given values

41.78^o+m\angle B+64^o=180^o

m\angle B+105.78^o=180^o

m\angle B=180^o-105.78^o

m\angle B=74.22^o    

5 0
3 years ago
Please help I would really appreciate it I need your guys is help ! Anything helps !
Irina18 [472]

Answer:

1= 112°

3= 68°

4= 22°

5= 90°

Step-by-step explanation:

comment if u need explanation :)

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I believe that you need to divide 4 by 8 to get $0.50 per juice box.
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Step-by-step explanation:

y=-1/2x+4

We will compare the equation with the slope intercept equation ,

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Ariana answered 36 questions correctly on her multiple choice science final and earned a grade of 45%. How many total questions
meriva

Answer:

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