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ICE Princess25 [194]
3 years ago
11

The following data set shows the price, in dollars, of a milkshake at five different restaurants. What are the mean absolute dev

iation and population standard deviation of this data set? Round to the nearest tenth if necessary.
4, 2, 9, 14, 6

mean absolute deviation =


standard deviation =
Mathematics
1 answer:
Jobisdone [24]3 years ago
8 0
Mean absolute deviation= 3.6

Standard deviation=4.19
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Quadrilateral ABCD with AB= 5.5cm,BC= 3.5cm,CD= 4cm,AD= 5cm and <A= 45°.​
11111nata11111 [884]

Answer:

⇒  Draw a line segment AB=5.5cm

⇒  Take A as a center and draw an angle of 45

o

.

⇒  Cut off AD=5cm

⇒  Take D as a center with radius 4.5cm and draw an arc.

⇒  Take B as a center with radius 3.5cm and draw an arc, which meets previous arc at point C.

⇒  Join BC and CD.

∴  ABCD is a required quadrilateral.

Step-by-step explanation:

hope this helps!

3 0
3 years ago
Kamis fitness trainer recommends that she drinks 12 fluid ounces of water 8 times a day. How many cups does kami drink in one da
alexdok [17]

Answer:

12 cups

Step-by-step explanation:

1 cup equals 8 ounces, 1.5 cups equal 12 ounces. Multiply that by 8 you get 12 cups.

5 0
3 years ago
Read 2 more answers
A city has a population of 310,000 people. Suppose that each year the population grows by 9%. What will the population be after
Leno4ka [110]

Answer: 644,800

Step-by-step explanation:

This can also be solved using the terms of Arithmetic Progressions.

Let the 13 years be number of terms of the sequences (n)

Therefore ;

T₁₃              = a + ( n - 1 )d , where a = 310,000 and d = 9% of 310,000

9% of 310,000 = 9/100 x 310,000

                        = 27,900

so the common difference (d)

                     d = 27,900

Now substitute for the values  in the formula above and calculate

T₁₃              = 310,000 + ( 13 - 1 ) x 27,900

                  = 310,000 + 12 x 27,900

                  = 310,000 + 334,800

                  = 644,800.

The population after 13 years = 644,800.

 

3 0
3 years ago
at a point P on the parabola x^2=4ay a normal PK is drawn. From vertex O, a perpendicular OM is drawn to meet the normal at M. S
saveliy_v [14]
<span>Answer: Its too long to write here, so I will just state what I did. I let P=(2ap,ap^2) and Q=(2aq,aq^2) But x-coordinates of P and Q differ by (2a) So P=(2ap,ap^2) BUT Q=(2ap - 2a, aq^2) So Q=(2a(p-1), aq^2) which means, 2aq = 2a(p-1) therefore, q=p-1 then I subbed that value of q in aq^2 so Q=(2a(p-1), a(p-1)^2) and P=(2ap,ap^2) Using these two values, I found the midpoint which was: M=( a(2p-1), [a(2p^2 - 2p + 1)]/2 ) then x = a(2p-1) rearranging to make p the subject p= (x+a)/2a</span>
6 0
3 years ago
If the sphere shown has a radius of 9 units, what is the volume of the sphere?
kirill [66]
V = 4/3 * 3.14 * 9^3 = 3052.08

Answer is B
6 0
3 years ago
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