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Akimi4 [234]
3 years ago
6

A lottery ticket has a grand prize of $48.9 million. The probability of winning the grand prize is .000000047. Determine the exp

ected value of the lottery ticket.
Mathematics
1 answer:
Lorico [155]3 years ago
7 0
Is this a gcse question??
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Which type of unemployment is characterized by a worker looking for a job
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seasonal unemployment

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A house in England has 8 paintings of climbers. Assuming that each painting is 8 inches wide and 4.5 inches tall, what is the le
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there are 11 apples in a basket 7 of these apples are green the rest of them are red what is the ratio of all apples in the bask
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4 years ago
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For the linear equation 3x + 7y = 42: a. Determine the slope: b. Determine y- intercept if it exists: c. Express equation in slo
algol13

Answer:  The required answers are

(a) the slope of the given line is -\dfrac{3}{7}.

(b) y-intercept exists and is equal to 6.

(c) the slope-intercept form of the line is y=-\dfrac{3}{7}x+6.

Step-by-step explanation:  We are given the following linear equation in two variables :

3x+7y=42~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We are to :

(a) determine the slope,

(b) determine the y-intercept, if exists

and

(c) express equation in slope-intercept form.

We know that

The SLOPE_INTERCEPT form of the equation of a straight line is given by

y=mx+c, where m is the slope and c is the y-intercept of the line.

From equation (i), we have

3x+7y=42\\\\\Rightarrow 7y=-3x+42\\\\\Rightarrow y=\dfrac{-3x+42}{7}\\\\\\\Rightarrow y=-\dfrac{3}{7}x+6.

Comparing with the slope-intercept form, we get

\textup{slope, m}=-\dfrac{3}{7},\\\\\\\textup{y-intercept, c}=6.

Thus,

(a) the slope of the given line is -\dfrac{3}{7}.

(b) y-intercept exists and is equal to 6.

(c) the slope-intercept form of the line is y=-\dfrac{3}{7}x+6.

3 0
3 years ago
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