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SCORPION-xisa [38]
3 years ago
12

What is the median of 36,14,21,39,11,2​

Mathematics
2 answers:
myrzilka [38]3 years ago
7 0

Answer:

17.5

subtract 21 and 14 getting 7

7 divided by 2 is 3.5

14+3.5=17.5

Usimov [2.4K]3 years ago
4 0

Answer: 30

Step-by-step explanation:

21+39/2

=30

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5×12÷[-12÷{15+(4-13)}]​
Elina [12.6K]

Answer:

=5×12÷[-12÷{15+(-9)}]

=5×12÷[-12÷6]

=5×12÷(-2)

=-30

Step-by-step explanation:

8 0
3 years ago
The county property tax rate is 6%. You own a house valued at 128,000. How much property tax would you owe each year?
Romashka-Z-Leto [24]

Answer:

7680

Step-by-step explanation:

128,000 x .06= 7680

5 0
3 years ago
What is 1.588 x 10^-1 in standord form
scoundrel [369]
Move the decimal to the left if it is a negative power on the 10 move it right if it is positive. answer is 0.1588
8 0
3 years ago
The outer and inner triangles are both equilateral and the circle touches all three sides of the outer triangle. If the area of
Brrunno [24]

Answer:

The area of outer Δ = 40 cm²

Step-by-step explanation:

∵ Area of the small triangle = 10 cm²

If we join the center of the circle with the 3 vertices of the inner Δ

These 3 segments are the radii of the circle

Now the inner triangle has 3 isosceles Δ their sides are r , r and s1 with vertex angle 120° ⇒ (360° ÷ 3 = 120°)

Where r is the radius of the circle and s1 is the side of the inner triangle

<em>By using cosine rule</em>

(s1)² = r² + r² - 2r²cos120 = r² + r² - 2r² (-0.5) = r² + r² + r² = 3r²

∴ s1 = r√3

∵ The radius of the circle ⊥ to the side of the outer Δ because the side of the outer Δ is a tangent to the circle

If we join a vertex of the outer Δ with the center of the circle

We will have a right angle triangle of two legs r and half s2 with angle 60° (120° ÷ 2 )between them ⇒ s2 is the side of outer Δ

∴ tan 60° = 1/2 (s2) ÷ r ⇒ √3 = 1/2 (s2) ÷ r = (s2)/2r

∴ s2 = 2r√3

∴ s2 : s1 = 2r√3 ÷ r√3 = 2 : 1

∴ The side of the outer Δ is double the side of the inner Δ

<em>By using similarity ratio</em>

A2/A1 = (s2/s1)² ⇒ A2 and A1 are the areas of outer and inner triangles

∴ A2 : A1 = (2/1)² = 4/1  

∴ A2 = 4 A1

∴ A2 = 4 × 10 = 40 cm²

5 0
3 years ago
What is the rectangular form of 12(cos(Pi) + isin(Pi))?<br><br> 12<br> -12<br> 12 + i<br> –12 + i
aliya0001 [1]

Answer:

B, -12

Step-by-step explanation:

edge2020

8 0
2 years ago
Read 2 more answers
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