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Oduvanchick [21]
3 years ago
13

PLEASE HELP WILL GIVE 100 POINTS!! WILL ALSO MARK BRAINLIEST FASTT!!!The two dot plots below show the heights of some sixth grad

ers and some seventh graders:
JPEG BELOW

The mean absolute deviation (MAD) for the first set of data is 1.2 and the MAD for the second set of data is 1.7. Approximately how many times the variability in the heights of the sixth graders is the variability in the heights of the seventh graders? (Round all values to the tenths place.)

1.2
1.4
2.4
2.8

Mathematics
2 answers:
lana [24]3 years ago
6 0

first you would add 1.2 + 1.7

and that would be 2.9

then divide it by 2

And that would be 1.45

if you want it simplified it would be 1.5

hope this helps if it did please make brainliest! :)

Oksana_A [137]3 years ago
3 0

Answer:

1.4

Step-by-step explanation:

add the MADs together then divide them by two.

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PLEASE HELP I RLLY DONT KNOW WHAT TO DO
Jlenok [28]

Answer:

a) f(0) = -9

b) f(2) = -5

c) f(-3) = -15

d) f(1/2)=-8

Step-by-step explanation:

We are given the function f(x)=2x-9 and we need to find the following:

a) f(0)

For finding f(0) put x =0 in the given function

f(x)=2x-9\\Put\:x=0\\f(0)=2(0)-9\\f(0)=-9

So, we get f(0)=-9

b) f(2)

For finding f(2) put x =2 in the given function

f(x)=2x-9\\Put\:x=2\\f(2)=2(2)-9\\f(2)=4-9\\f(2)=-5

So, we get f(2)=-5

c) f(-3)

For finding f(-3) put x =-3 in the given function

f(x)=2x-9\\Put\:x=-3\\f(-3)=2(-3)-9\\f(-3)=-6-9\\f(-3)=-15

So, we get f(-3)=-15

d) f(1/2)

For finding f(1/2) put x =1/2 in the given function

f(x)=2x-9\\Put\:x=\frac{1}{2}\\f(\frac{1}{2})=2(\frac{1}{2})-9\\f(\frac{1}{2})=1-9\\f(\frac{1}{2})=-8

So, we get f(1/2)=-8

5 0
3 years ago
7-x=21. help ????????????
Dmitriy789 [7]
X=-14
do you want an explanation <span />
6 0
3 years ago
Read 2 more answers
6) Find the value of x
docker41 [41]
X = 7


Hope this helps!!!!!
3 0
3 years ago
Please help me with this math problem. Only answer if you can explane your answer. \
crimeas [40]

1 cm = 0.393701 inches.

Multiply total cm by conversion factor:

91 cm x  0.393701 = 35.8268 inches per day.

1 day = 24 hours

Divide total inches by number of hours:

35.8268 inches / 24 hours = 1.4928 inches per hour. ( Can round to 1.5 inches per hour if necessary)

6 0
3 years ago
How many solutions does have?<br> 1/2 ( 2p + 9 ) = -p + 5
JulijaS [17]

Answer:

Step-by-step explanation:

P + 4.5 = - p + 5

Bringing like terms on one side

P + p = 5 - 4.5

2p = 0.5

p = 0.5/2 = 0.25

In my opinion the answer is one solution

4 0
3 years ago
Read 2 more answers
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