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NISA [10]
3 years ago
6

Find: 1. three quartiles and 2. interquartile range (IQR). 1, 3, 9, 12, 12, 14, 18

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
3 0
Q1=3 Q2[median]=12 Q3=14 and the IQR is 11
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Hanna is driving 480 miles. She has already driven 312 miles. What percent of her trip has she completed?
SVEN [57.7K]

Answer:

68%

Step-by-step explanation:

Hope this helps! :)

I would appreciate brainliest, if not that's ok!

5 0
2 years ago
Solve for x.<br> 8(5 + x) = 11(9 + x)<br> Answer as a fraction.
7nadin3 [17]

distribute the 8 to the 5 and x. then distribute 11 to 9 and x.

(40+8x)=(99+11x)

-11x -11x

-3x+40=99

-40 -40

-3x= 59

divide three on both sides

x=59/-3

final answer x=-59/3


8 0
3 years ago
How do u solve 1/2x &lt; -6
Komok [63]
Explanation:
Step 1) Add
4
to each side of the equation to isolate the
x
term while keeping the equation balanced:
12
x
−
4
+
4
=
32
+
4
12
x
−
0
=
36
12
x
=
36
Step 2) Divide each side of the equation by
12
to solve for
x
while keeping the equation balanced:
12
x
12
=
36
12
12
x
12
=
3
x
=
3
8 0
3 years ago
About 70% of Earth’s surface is covered by water. If the diameter of Earth is about 12,750 km, find the area not covered by wate
hichkok12 [17]
Earth diameter = 12,750 km
Earth radius = 6,375 km
Sphere Surface Area     =    <span> 4 • <span>π <span>• r²
</span></span></span>Sphere Surface Area     =    4 * 3.141<span>59 * 6375^2
</span>Sphere Surface Area     =    4 * 3.14159 * <span> <span> <span> 40,640,625 </span> </span> </span>
<span> <span> <span> Earth's Entire </span></span></span><span>Surface Area     =    510,704,724 square kilometers
Surface NOT covered by water =  </span><span>510,704,724 * .3
</span>Surface NOT covered by water =  <span> <span> <span> 153,211,417</span></span></span><span> square kilometers</span>


4 0
2 years ago
A patient is to receive 1.5 grams (g) of an antibiotic in 3 equal
nordsb [41]
1.5 g = 1500 mg

1500 / 250 = 6

the patient should take 6 tablets each dose.
4 0
3 years ago
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