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vovangra [49]
3 years ago
13

Write the expression for the nth term for m9, -27, 81

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
6 0
I don't think that that "m" belongs in this sequence.  Focus on 9, -27, 81, ...

Multiplying 9 by what number produces the product -27?

Mult. -27 by what number produces 81?

This number is called the "common ratio" of this "geometric sequence."

Finish this recursive formula:

a_(n+1) = (a_n) * (         )

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Which triangle is a 30° -60° -90° triangle?
Fittoniya [83]

Answer:

Acute isosceles triangle

Step-by-step explanation:

because an acute angle is more than 45 but less then 90.

that's all i know sorry!

5 0
3 years ago
Does this graph show a function?explain how you know.
DiKsa [7]
The answer is B! It passes the vertical line test
5 0
3 years ago
Find the missing value 8- = -5​
podryga [215]

Answer:

x = 13

Step-by-step explanation:

call the missing number x

8 - x = - 5                        Subtract 8 from both sides

8-8 - x = -5-8                  Combine

-x = - 13                           Multiply by -1

x = 13

6 0
3 years ago
find the solution to the system. write your solution as an ordered pair (x,y) with no spaces, no solution or infinitely many 2x-
Kitty [74]

Answer:

(-8,4)

Step-by-step explanation:

Given: 2x-3y=-28 and x+6y=16

solve for a variable and then substitute back into other equation

x + 6y = 16

x = 16 - 6y; now use this in the other equation

2x - 3y = -28; substitute into x

2(16 - 6y) - 3y = -28; distribute 2

32 - 12y - 3y = -28; combine y's

32 - 15y = -28; isolate 15y

32 + 28 = 15y; add the numbers

60 = 15y; divide by 15

y = 4

Now use this to plug into other equation

x + 6y = 16; y=4

x + 6(4) = 16;

x + 24 = 16; subtract 24 from both sides

x = -8

4 0
3 years ago
Which symbol correctly compares the two angle measures? pi/4 radians_____30°
Thepotemich [5.8K]

Answer:

B. \frac{\pi }{4} Rad>30^{0}

Step-by-step explanation:

\frac{\pi }{4} Rad=(180/4)^{0} =45^{0}

Hope this helps

6 0
3 years ago
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