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adell [148]
3 years ago
7

PLEASE HELP RIGHT NOW!!! *** I WILL GIVE BRAINLIEST ***

Mathematics
1 answer:
bija089 [108]3 years ago
7 0

Two Correct choice:

Step 5: E

Step 2: B

//But not sure.

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Find (a) the range and (b) the standard deviation of the data set 40,35.45,55,60. Round to the nearest hundredth if necessary.
zmey [24]

Answer:

(a) 25

(b) 9.27

Step-by-step explanation:

Step 1

We have to rearrange the given days set from least to highest

35, 40, 45, 55, 60

(a) the range

Range = The highest number - The least number

= 60 - 35

= 25

(b) the standard deviation of the data set

35, 40, 45, 55, 60.

We find the Mean

Mean = Sum of values/Number of values

= 35+40+45+55+60/5

= 235/5

= 47

We can find the standard deviation now.

The formula =

√(x - Mean)²/n

= √(35 - 47)²+ (40 + 47)² + (45 - 47)² + (55 - 47)² + (60 - 47)²/5

= √144 + 49 + 4 + 64 +169/5

= √430/5

= √86

= 9.273618495

Approximately = 9.27

5 0
3 years ago
What is the value of x?
jok3333 [9.3K]

Answer:

Solution given:

sin 47=opposite/hypotenuse

Sin 47=x/18

x=sin47*18

<u>x=13.16ft</u>

6 0
2 years ago
Read 2 more answers
What does r stand for in the formula 2.rr.?
klemol [59]

Answer:

r = radius of circle

Step-by-step explanation:

The circumference of a circle is given by :

C = 2πr

Where

r is the radius of the circle

In this problem, we need to say that what does r represents in the given formula. It means we can say that r stands for the radius of the circle.

4 0
3 years ago
A new car is purchased for 19000 dollars. The value of the car depreciates at 11.25% per year. What will the value of the car be
Doss [256]

Answer: 11.25% depriciation means 11.25% amount decrases per year.

i.e for 1year (1-0.1125)19000=0.8875*19000

so for 14 years multiply 0.08875 14 times to 19000.

Your answer will be arrived.

If any doubt comment.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which of the following points is a solution of the inequality y &lt; -|x|?
Rzqust [24]

y < -|x|

replace the letters with the given numbers:

(1,-2)   -2<-|1|  this is true

(1,-1)   -1 <-|1| this is false

(1,0)   0 < -|1| this I false

The answer is (1,-2)

5 0
3 years ago
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