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iogann1982 [59]
3 years ago
6

Please help ASAP

Mathematics
1 answer:
tigry1 [53]3 years ago
7 0

Answer:

D

Step-by-step explanation:

2^(x-1)=11

(x-1)*ln(2)=ln(11)

x-1=ln(11)/ln(2)

x=ln(11)/ln(2)+1

get a calculator and evaluate this, you'll get

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if there is a 4 smiley faces in pattern 1 and 6 smiley faces in pattern 2 and 8 smiley faces in pattern 3 how many smiley faces
mixer [17]
We technically can't tell! Just because a pattern (increasing by two faces for every new pattern) is true at first doesn't mean it holds forever. However, if we make the assumption that the number of smiley faces continues to increase by 2, we have 4+87*2=177 as the answer, since we start with four and continue through a total of 87 more patterns, each of which adds two more faces.
4 0
4 years ago
Read 2 more answers
30 POINTS IF U CAN HELP PLEASE. in the figure below, a tangent and a secant are drawn to a circle from the exterior point E. Sup
dimulka [17.4K]

Answer:

19.5  = CD

Step-by-step explanation:

The square of the tangent = the the whole secant times the outside part of the secant.

EG²= (ED)(EC)

13² = (26)(EC)

169 = 26EC

169/26 = EC

 6.5 + EC

Now  ED = EC + CD

         26 = 6.5 + CD

        26 - 6.5 = CD

           19.5  = CD

3 0
2 years ago
A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 9 inches.
Oksanka [162]
The ordered pairs would be,

(1, 8.5)
(2, 8)
(3, 7.5)
(4,7)
(5, 6.5)
(6, 6)

I got the ordered pairs from the question since it stated that the length of the candle decreased .5 every hour. I just corresponded the hour to the length of the candle.

I hope this helped!

Brainliest answer is always appreciated!
3 0
3 years ago
Read 2 more answers
Find the area of the shaded sector of the circle
attashe74 [19]

Answer:

48pi or ~150.8

Step-by-step explanation:

ok so area = pi * r^2

r = 8

8^2 = 64pi

so 64/4 = 16

16*3 quarters shaded = 48

48pi is the answer

48pi or ~150.8

4 0
3 years ago
Simplify the expression 8−(−2)/7−12.<br><br> As a whole number simplified
Trava [24]
The answer is 3 5/12. 
4 0
3 years ago
Read 2 more answers
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