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Ymorist [56]
2 years ago
9

What is the ninth term of the geometric sequence 81, 27, 9, 3, ... ?

Mathematics
2 answers:
Dominik [7]2 years ago
8 0

Answer:

59049

Step-by-step explanation:

I calculated it and got 59049

lbvjy [14]2 years ago
5 0
I may be wrong but 1/9? i don’t think there’s anything else you can do with the sequence .. if i’m incorrect , i’m sorry
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Two angles are supplementary if their sum is​ 180°. the larger angle measures five degrees more than four times the measure of a
wlad13 [49]
Let x represent the smaller angle.
Let y represent the larger angle.

The problem states that the larger angle measures five degrees more than four times the measure of the smaller angle.
With this given information, we can create the following equation.

y=4x+5

Also, they a supplementary, meaning that they add up to 180. We can create another equation.

x+y=180

Since we have two linear equations and we want to find the solution, we have a system of linear equations. Let's solve this system by using the substitution method.

Substitute y=4x+5 into x+y=180

x+y=180

After substituting, you get

x+4x+5=180

Now, combine the x's

5x+5=180

Subtract both sides by 5

5x=175

Divide both sides by 5.

x=35

Now, we can solve for y using the equation x+y=180 since we know the value of x.

35+y=180

Subtract both sides by 35.

y=145

The smaller angle has a measure of 35 degrees and the larger one has a measure of 145 degrees. Have an awesome day! :)
5 0
3 years ago
I need to solve y=2x-4 solve for y algebraically? That for y
SOVA2 [1]

Answer:

x=3 y=2

Step-by-step explanation:

please refer to the picture I sent

4 0
3 years ago
HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE please
VMariaS [17]

Answer:

50.5

Step-by-step explanation:

Sooo first we calculate edf. 11/2= 5.5, 5.5x5=27.5

And then we do the other part.9/5=4, and 4x11.5=46, and we need to cut that in half cuz it’s a triangle 46/2=23. We add up the rectangle and the triangle: 27.5+23=50.5

3 0
3 years ago
Riders travel at a average speed of 61 feet per second for 3118 feet. A maximum of 187 per second. What is this as an expression
Flura [38]

187 ft/s. I think that this might be an equation, but if it is not, I'm sorry.

6 0
3 years ago
Why is 2x 3/4 less than 2?
Kipish [7]

Answer & Step-by-step explanation:

It is less because 2 times 3/4 is the same as 2/1 times 3/4 which is 6/4 then simplify it and you get 3/2 which then is 1 1/2.

That is why 2 times 3/4 is less than 2.

Hope that helps ;)

7 0
3 years ago
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