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evablogger [386]
2 years ago
6

3 x (3^4) = 3x what is x

Mathematics
1 answer:
Llana [10]2 years ago
6 0

Answer:

Step-by-step explanation:

3 x 81 (to the power of 4 is the same as the square, squared, so 9 x 9) = 3x

243 = 3x

81 = x

You might be interested in
Slader records show that the average life expectancy of a pair of shoes is 2.2 years with astandard deviation of 1.7 years. A ma
Oksanka [162]

Answer:

For every 1000 pairs sold, the manufacturer expect to replace 239 pairs for free.

Step-by-step explanation:

Given:

Mean (μ) = 2.2, Standard deviation(S.D) (σ) = 1.7 years and x = 1 (1 year)

Let's find the Z score.

Z = \frac{x - mean}{S.D}

Now plug in the given values in the above formula, we get

Z = \frac{1 - 2.2}{1.7} = -0.71

Now we have to use the z-score table.

The z-score for 0.71 is 0.2611

Since it z is negative, so we subtract 0.2611 from 0.5000

0.5000 - 0.2611 = 0.2389

Percentage = 0.2389 × 100 = 23.89%

To find replaces for 1000 pairs, we need to multiply 23.89% by 1000

= \frac{23.89}{100} .1000 = 238.9

= 239

The cannot be in decimal, when we round off to the nearest whole, we get

239

3 0
3 years ago
What is the area of the trapezoid below?
TEA [102]
The answer is A. 36\sqrt{3} cm^{2}
3 0
2 years ago
Read 2 more answers
A textbook has 428 numbered pages, starting with 1.
kolezko [41]

Answer:

1/428 or 0.00233644859% chance

Step-by-step explanation:

Simply because there is only one page 45 use 428 as your denominator and then divide 1 by 428!

5 0
2 years ago
Read 2 more answers
What is 0.366 in expanded notation
oksano4ka [1.4K]
3 × 1/10 + 6 × 1/100 + 6 × 1/1000
I'm pretty sure that's it but I'm not good at math
4 0
3 years ago
2 of 5
Helga [31]

Answer:

7 X / 2 y

Step-by-step explanation:

let Mel equals to X and female equals to y

therefore ×=y

therefore to make the count proper we have to multiply the male by 7

so 7 x = 2y and the fraction becomes 7 X / 2 y

hope this helps

7 0
2 years ago
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