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nignag [31]
2 years ago
10

What is equivalent to log(x)-log(y)

Mathematics
1 answer:
zalisa [80]2 years ago
3 0

Explanation:

log(x) - log(y) = log(x/y)

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Ation in an Application Problem
Greeley [361]
Less than $3 because 25/7/2
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2 years ago
the perimeter of a rectangular picture frame is 32 in the length of the frame is 2 inches longer than the width what are the dim
stich3 [128]

Answer:

the length is 9 in. and the width is 7 in.

Step-by-step explanation:

this is hard to explain but i promise that this is the correct answer.

7 0
3 years ago
Susy has 14 dogs and 9 cats. How many pets does she have
Naily [24]

Answer:

23 pets

Step-by-step explanation:

If Susy has 14 dogs and 9 cats she has 23 pets in all.

14 dogs

9 cats

14 dogs + 9 cats = 23 pets

Therefore, Susy has 23 pets.

6 0
3 years ago
Read 2 more answers
A professor at a local university noted that the exam grades of her students were normally distributed with a mean of 73 and a s
jasenka [17]

Answer:

The minimum score of those who received C's is 67.39.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 73, \sigma = 11

If 69.5 percent of the students received grades of C or better, what is the minimum score of those who received C's?

This is X when Z has a pvalue of 1-0.695 = 0.305. So it is X when Z = -0.51.

Z = \frac{X - \mu}{\sigma}

-0.51 = \frac{X - 73}{11}

X - 73 = -0.51*11

X = 67.39

The minimum score of those who received C's is 67.39.

7 0
3 years ago
A rectangular plot of farmland will be bounded on one side by a river and on the other three sides by a​ single-strand electric
Murrr4er [49]

Answer:

A = 781250\,m^{2}, x = 625\,m, y = 1250\,m

Step-by-step explanation:

The perimeter covered by the electric fence in meters is:

2\cdot x + y = 2500

The area of the rectangle is:

A = x\cdot y

A = x \cdot (2500-2\cdot x)

Let differentiate the previous equation and equates to zero:

2500-4\cdot x = 0

The critical point is:

x = 625\,m

By the Second Derivative Text, it is proved that critical point lead to a maximum:

\frac{d^{2}A}{dx^{2}} = -4

The other side of the rectangle is:

y = 1250\,m

The largest area than can be enclosed is:

A = (625\,m)\cdot (1250\,m)

A = 781250\,m^{2}

The dimensions of the triangle are:

x = 625\,m

y = 1250\,m

3 0
3 years ago
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