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3 years ago

Translate the sentence into an equation.

Mathematics

1 answer:

deff fn [24]3 years ago

4 0

Answer:

3(b+7)=6

Sum means adding, so 3 is multiplied by (b+7)

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Fission tracks are trails found in uranium-bearing minerals, left by fragments released during fission events. An article report

Harlamova29_29 [7]

Answer:

Mean track length for this rock specimen is between 10.463 and 13.537

Step-by-step explanation:

99% confidence interval for the mean track length for rock specimen can be calculated using the formula:

M± $\frac{t*s}{\sqrt{N}}$ where

M is the average track length (12 μm) in the report
t is the two tailed t-score in 99% confidence interval (2.977)
s is the standard deviation of track lengths in the report (2 μm)
N is the total number of tracks (15)

putting these numbers in the formula, we get confidence interval in 99% confidence as:

12± $\frac{2.977*2}{\sqrt{15}}$ =12±1.537

Therefore, mean track length for this rock specimen is between 10.463 and 13.537

4 0

3 years ago

Help me please for 10pt

balandron [24]

Answer:

The answer is A

Step-by-step explanation:

6 0

3 years ago

Help!!!!!<br> Suppose f(x) = x2. What is the graph of g(x) = f(3x)?

STALIN [3.7K]

Answer:

we conclude that g(x) = 9x² is the result of f(x) vertically stretched by multiplying each of its y-coordinates by 9.

Also, check the attached graph is matched with option B.

Hence, option (B) is the correct graph.

Step-by-step explanation:

Given

f(x) = x²

g(x) = f(3x)

g(x) = (3x)² = 9x²

Thus, the graph of g(x) = 9x² is shown below.

From the graph, it is clear that at x = 0, y = 0

So, the y-intercept is at (0, 0).

Clearly

f(x) = x²

g(x) = 9x²

Note that the vertex of the graph also lies at (0, 0), because it is clear that g(x) = 9x² is the result of f(x) vertically stretched by multiplying each of its y-coordinates by 9.

Since 9 > 0, it means g(x) = 9x² is vertically stretched by multiplying each of its y-coordinates by 9.

Therefore, we conclude that g(x) = 9x² is the result of f(x) vertically stretched by multiplying each of its y-coordinates by 9.

Also, check the attached graph is matched with option B.

Hence, option (B) is the correct graph.

7 0

3 years ago

What is 24% of 38.5?

WITCHER [35]

9.24

38.5 × .24 is 9.24

4 0

3 years ago

Read 2 more answers

Please answer the questions.

Paladinen [302]

Answers in order:

7 11 5 3 40 20 7 1 2 84 12 35

6 0

3 years ago