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Vilka [71]
3 years ago
6

Evaluate the series 9 + 3 + 1 + . . .

Mathematics
2 answers:
brilliants [131]3 years ago
7 0
Keep dividing by 3 to get the rest of the answers.
Vsevolod [243]3 years ago
6 0

Answer: the answer is 27

Step-by-step explanation:

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What’s the answer to this!!!
aliina [53]

Answer:

8.54

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Add 5x+4y;3x-7y;-4x+8y​
viktelen [127]

The answer is 4x + 5y.

Here, what needs to be done is to combine like terms.

  • 5x + 4y + 3x - 7y - 4x + 8y
  • 5x + 3x - 4x + 4y + 8y - 7y
  • 4x + 5y
4 0
2 years ago
Which expression is equivalent to (n-4X2n + 7)?
Serggg [28]

Answer: 2

Step-by-step explanation: because 23

4 0
1 year ago
PLEASE HELP
nirvana33 [79]

You don't say whether this is a right triangle or not.

Assuming it is a right triangle, then we use the Pythagorean Theorem to determine the length of the hypotenuse:

(hypo) = (length of third side) = √(12^2 + 4^2) = √(144+16) = √160 = 4√10.

This is approx. 12.65 inches. Since this does not match any of the possible answer choices, we'll have to take a different approach to answering this question.

Given that 2 sides of the given triangle are 12 and 4 inches, respectively, we see that the 3rd side has to be longer than 8 inches; otherwise we'd have three line segments on the same line, not forming a triangle.

By this reasoning, 9 inches is the only possible answer that could be correct. With sides 12, 9 and 4 inches, the triangle would be obtuse and appear quite flat, but not be part of a straight line as with a third side of 8.


6 0
3 years ago
they've invested to earn $20 in a savings account that offer 3% return on the investment the value of david's investment will be
Firlakuza [10]
I=PRT
P=present amount
R=rate
T=time
basically
20+interest<u /> is more than or equal to 400
20+I<u>></u>400
minus 20 both sides
I<u>></u>380

solve
P=20
R=3%=0.03
T=?
I=PRT
380<u><</u>I=PRT
380<u><</u>20(0.03)(T)
380<u><</u>0.6T
divide both sides by 0.6
633.33333<u><</u>T
633.33 years at least

6 0
3 years ago
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