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3 years ago

Use the quotient property to rewrite log_(10)(x/(100,000))

Mathematics

1 answer:

padilas [110]3 years ago

7 0

Answer:

log_10(x) - log_10(100000)

Step-by-step explanation:

$log_{10}(\frac{x}{100000} )\\log_{10}(x) -log_{10}(100000)\\$

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Which is the graph of y = Lx] -2?

Dimas [21]

Answer:

Graph the line using the slop and y-intercept, or two points.

Slope: 1

y-intercept: -2

x: 0, 0

y: -2, -2

(Sorry is this isn't the answer you are looking for)

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3 years ago

Which expression is equivalent to the given expression?

Tatiana [17]

Answer:

The answer is 4a-12

Step-by-step explanation:

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3 years ago

Read 2 more answers

Ten engineering schools in the United States were surveyed. The sample contained 250 electrical engineers, 80 being women; 175 c

steposvetlana [31]

Answer:

There is a significant difference between the two proportions.

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for difference between population proportions is:

$CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}$

Compute the sample proportions as follows:

$\hat p_{1}=\frac{80}{250}=0.32\\\\\hat p_{2}=\frac{40}{175}=0.23$

The critical value of <em>z</em> for 90% confidence interval is:

$z_{0.10/2}=z_{0.05}=1.645$

Compute a 90% confidence interval for the difference between the proportions of women in these two fields of engineering as follows:

$CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}$

$=(0.32-0.23)\pm 1.645\times\sqrt{\frac{0.32(1-0.32)}{250}+\frac{0.23(1-0.23)}{175}}\\\\=0.09\pm 0.0714\\\\=(0.0186, 0.1614)\\\\\approx (0.02, 0.16)$

There will be no difference between the two proportions if the 90% confidence interval consists of 0.

But the 90% confidence interval does not consists of 0.

Thus, there is a significant difference between the two proportions.

4 0

3 years ago

Help me plzzzzzzz.thank you

ad-work [718]

ANSWER
M=(−3,72)

Find A midpoint calculator on the internet

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3 years ago

dilation the center of dilution is the origin b (2,3) and B(-4,-6) what is the scale factors of this dilation that transformed a

Ann [662]

Given:

Consider the two points are B(2,3) and B'(-4,-6).

Center of dilation is the origin.

To find:

The scale factors of this dilation that transformed B into B'.

Solution:

If a figure dilatated by scale factor k and center of dilation is the origin, then

$(x,y)\to (kx,ky)$

It means, the point after dilation is

$(x',y')=(kx,ky)$

where, k is the scale factor.

$k=\dfrac{x'}{x}$

x-coordinate of image is -4 and x-coordinate of original point is 2.

$k=\dfrac{-4}{2}$

$k=-2$

Therefore, the scale factor is -2. It means, the point and image lie on the opposite sides of center of dilation.

3 0

3 years ago