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Leona [35]
2 years ago
15

5^(11x+23)=125^(7x) how to solve for x

Mathematics
1 answer:
ruslelena [56]2 years ago
8 0
Answer: x= 23/10 or x= 2.3
First... 5^11x-23=5^21x
Cancel out the 5
Secondly... 11x+23 =21x
Switch 21 and 23 to make...
11x=21x-23. Switch again to make...
11x-21x=23
Now subtract 11 and 21
-10x=-23
Divide to get
x=23/10 or x=2.3
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alekssr [168]

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8 0
2 years ago
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If Happie had ridden exactly 100 feet in 25
Strike441 [17]

Answer:

The speed rate is 100 feet per 25 seconds, or 20 feet every 5 seconds, (100 / 5 = 20)

Every minute is 60 seconds long, this means that to find out how fast she would roll in one minute we just need to do 60 / 5 = 12 and then do 12 x 20

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10 x 20 = 200 feet per second

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200 + 40 = 240 feet per second

Happie would roll 240 feet in a minute at the speed of 100 feet per 25 seconds

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6 0
3 years ago
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A recursive rule for a geometric sequence is
LuckyWell [14K]

Answer:

C. a_n=(9)(\frac{2}{3})^{n-1}

Step-by-step explanation:

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a_n=a_1x^{n-1}

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a_n=xa_{n-1}

The equations are very similar and you only really need to rearrange it. The factor (2/3) and the first term (9) are given, so you can write the iterative equation:

a_n=(9)(\frac{2}{3})^{n-1}

And so the answer is C.

5 0
2 years ago
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RideAnS [48]
To get 1 you need to multiply -3/8 by -2/2/3 or -2.67
3 0
3 years ago
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NISA [10]

Answer:

B

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