What is the sum of the first 10 terms of the sequence 2, 6, 18,54...?

Mathematics

1 answer:

leonid [27]3 years ago

4 0

Answer:

This is a sequence where you multiply that number 3 times. For example, 2 x 3 = 6. 6 x 3 = 18. 18 x 3 = 54 and so on. Therefore, multiplying 3 by the number is the Answer.

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Once you reach the last step of a maths equation which shows -8k = 8k . what is k ?

Sveta_85 [38]

Answer:

k = 0

Step-by-step explanation:

-8k = 8k

Add 8k to both sides.

0 = 16k

Divide both sides by 16.

0 = k

k = 0

3 0

4 years ago

Read 2 more answers

Please answer very confuse english very bad que?

nata0808 [166]

Answer:

for the first question, it's (2,2) and for the last question it's (0,2)

4 0

3 years ago

Secants AC and DB intersect at point E inside the circle. Given that the measure of arc CD = 40o, arc AB = 60o, and arc BC = 160

s344n2d4d5 [400]

Answer:

C. $130^{\circ}$

Step-by-step explanation:

Please find the attachment.

We have been given that secants AC and DB intersect at point E inside the circle. Given that the measure of arc $CD = 40^o$ , arc $AB = 60^o$ , and arc $BC = 160^o$ . We are asked to find the measure of angle AED.

We know that the measure of angle formed by two intersecting secants is half the sum of measure of the arcs by intercepted by the angle and its vertical angle.

$\angle AED=\frac{\widehat{BC}+\widehat{AD}}{2}$