3 years ago

Find the common ratio of the geometric sequence -1, -9, -81,...−1,−9,−81,

Mathematics

1 answer:

Leona [35]3 years ago

8 0

Answer:

Geometric

Common ratio = 3

Step-by-step explanation:

3,9,27,81 is geometric because there is a common ratio.

We know there is a common ratio because a term divided by it's previous term is the same each time.

That is

81/27=3

27/9=3

9/3=3.

So the common ratio is 3.

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Please help m solve this it's about shaded areas. I need it fast. PLZ HELP THANK YOU IF YOU DO AND U R SO AMZING IF U DO>

sukhopar [10]

A = area of the circle

A = pi*r^2

A = pi*11^2

A = 121pi

-----

B = area of the rectangle

B = length*width

B = 6*4

B = 24

-----

C = blue shaded area

C = A - B

C = 121pi - 24 which is the exact area in terms of pi

C = 356.1327 is what you'd get if you used a calculator

C = 356.13 is the result after rounding to the nearest hundredth

<h3>The final answer is 356.13</h3>

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4 years ago

What is the solution set to the inequality 7z+5>47

Vsevolod [243]

Answer:

$z>6$

<h2>Step-by-step explanation:</h2>

7z+5>47

Remove the 5:

$7z+5-5>47-5\\7z>42$

Divide by 7 to get z by itself:

$\frac{7z}{7} >\frac{42}{7} \\z>6$

5 0

4 years ago

Rewrite 5/ 16 + 6/ 20 with a common denominator.

Troyanec [42]

25/80 + 24/80 = 49/80. 16 and 20 both go into 80. !6 goes in 5 times so you multiply 5 by 5. 20 goes into 80 4 times so you multiply 4 by 4. 24/80 + 25/80 = 49/80.

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3 years ago

Read 2 more answers

Quadrilateral ABCD is translated up and to the right and then rotated about point Q. Which congruency statement is correct?

valentina_108 [34]

Answer:ABCD = ZYXW

Step-by-step explanation:

ABCD = WXYZ

ABCD = ZYXW

ABCD WZYX

ABCD = ZWXY

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3 years ago

How do I simplify this?

WINSTONCH [101]

Answer:

sorry ... good luck tho.....

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3 years ago