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Dvinal [7]
3 years ago
6

Log 10214=4 base N, me ajudem por favor

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0

Property of the logarithm:

b^{\log_b a}=a

So

\log_N10214=4\implies N^{\log_N10214}=N^4\implies10214=N^4

Then

N=\pm\sqrt[4]{10214}

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x = 60°

180 - 120 = 60

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Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type.
Vinvika [58]

Answer:

The point estimate for population mean is 8.129 Mpa.

Step-by-step explanation:

We are given the following in the question:

Data on flexural strength(MPa) for concrete beams of a certain type:

11.8, 7.7, 6.5, 6.8, 9.7, 6.8, 7.3, 7.9, 9.7, 8.7, 8.1, 8.5, 6.3, 7.0, 7.3, 7.4, 5.3, 9.0, 8.1, 11.3, 6.3, 7.2, 7.7, 7.8, 11.6, 10.7, 7.0

a) Point estimate of the mean value of strength for the conceptual population of all beams manufactured

We use the sample mean, \bar{x} as the point estimate for population mean.

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

\bar{x} = \dfrac{\sum x_i}{n} = \dfrac{219.5}{27} = 8.129

Thus, the point estimate for population mean is 8.129 Mpa.

4 0
3 years ago
Solve: 3 + √x+2 = 11<br><br> 62<br> 64<br> ()
klemol [59]

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What is the answer to 2x + 4 = x + 10
professor190 [17]

Answer:

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Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
Homework help, no need to explain answer
Ainat [17]

Answer:

Square each side

Subtract 1  from each side

Divide by 3

Step-by-step explanation:

sqrt(3x+1) = 4

Square each side

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3x+1 = 16

Subtract 1  from each side

3x+1-1 = 16-1

3x= 15

Divide by 3

3x/3 = 15/3

x = 5

8 0
4 years ago
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