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Evgen [1.6K]
3 years ago
9

Based on data from the 1980 Census the average age of a Na'alehu County, Hawaii resident is 39 years with a standard deviation o

f 22. 6. The data is normally distributed. If 100 residents are surveyed, Determine the Inter Quartile range (IQR) for the average age of the residents of this County. Please explain how you derived your answer:
Mathematics
1 answer:
Trava [24]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

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Will choose Brainliest.
oksano4ka [1.4K]

That part is total cookies as per algebraic formula x^2-(a+b)x+ab=0

Hence

The inequality is

\\ \rm\rightarrowtail x^2-30x+224>=0

\\ \rm\rightarrowtail (x-14)(x-16)>=0

\\ \rm\rightarrowtail 14\leqslant x\leqslant 16

Solution range

  • [14,16]

Atleast means the range

  • 16-14
  • 2

Atleast 2 more than Martha

4 0
3 years ago
1)The base of a triangular prism is a right triangle with a base of 20 feet and a height of 120 inches. The height of the prism
ivanzaharov [21]

Answer:

(1)750 cubic feet

(2)8 Times

Step-by-step explanation:

<u>Question 1</u>

<u>Dimensions of the Right Triangular Base</u>

  • Base = 20 feet
  • Height= 120 inches = 10 feet

Base Area of the Prism

=\dfrac12 \times 20 \times 10\\=150$ square feet

  • Height of the Prism = 5 feet

Volume of the Prism = Base Area X Height

= 150 X 5

=750 cubic feet

<u>Question 2</u>

<u>Jake's Box</u>

  • Length: 12 inches
  • Width: 4 inches
  • Height: 8 inches

Volume = 12 X 4 X 8 =384 cubic inches

<u>Havana's box</u>

Havana has a shipping box similar to Jake's box, but each dimension is half as long.

Therefore:

  • Length: 12/2=6 inches
  • Width: 4/2=2 inches
  • Height: 8/2=4 inches

Volume = 6 X 2 X 4 =48 cubic inches

Now:

384/48=8

Therefore, the volume of Jake's box is 8 times larger than Havana's box.

6 0
4 years ago
(10pts) find all the solutions to the equations.
xxTIMURxx [149]
All of your solution is right
4 0
3 years ago
Read 2 more answers
Write 2x+3y=6 in slope intercept form
Leokris [45]
Slope-intercept form:
y=mx+b

m=slope
b=y-intercept

2x+3y=6
3y=-2x+6
y=-2/3 x+6/3
y=-2/3 x+2

Answer: the line in slope-intercept form would be:
y=-2/3 x+2
3 0
3 years ago
F(x)=⅔x⁴-12x²+x+⅞ its apolynomial function or its not polynomial function
baherus [9]

Answer:

apolinomlia

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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