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padilas [110]
3 years ago
7

Use the point-slope equation to identify the slope and the coordinates of a point

Mathematics
2 answers:
ioda3 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

y - 4 = \frac{1}{2}(x - 1) ← is in point- slope form

with slope m = \frac{1}{2}

and (a, b) = (1, 4 ) ← point on the line

bagirrra123 [75]3 years ago
7 0

Answer:

The slope of the line is m = 1/2

A point on the line is (1, 4)

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Janelle earned a 80% on a test and got 72 points. How many total points were possible on the test
nikdorinn [45]

Answer:

90 points

Step-by-step explanation:

90 x .80 = 72 points

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3 years ago
A Normal model states that if we draw repeated random samples of the same​ size, n, from some population and measure sample​ pro
notka56 [123]

Answer:

1) Randomization condition: We assume that we are selecting random samples so this condition is satisfied

2) 10% condition: We assume that the random sample selected is less than 10% of the population size

3) Success/ Failure condition:

For this case we need to satisfy this:

np \geq 10, n(1-p)\geq 10

So since the condition 1 and 2 are satisfied the correct option for this case would be:

a)np and nq must be respectively at least equal to 10

Step-by-step explanation:

Assuming the following options:

a)np and nq must be respectively at least equal to 10

b) as n increases, the distribution of sample proportions becomes less Normal

c) np and nq must be respectively less than 10

d) np plus nq must be at least 10.

For this case we need 3 basic conditions:

1) Randomization condition: We assume that we are selecting random samples so this condition is satisfied

2) 10% condition: We assume that the random sample selected is less than 10% of the population size

3) Success/ Failure condition:

For this case we need to satisfy this:

np \geq 10, n(1-p)\geq 10

So since the condition 1 and 2 are satisfied the correct option for this case would be:

a)np and nq must be respectively at least equal to 10

8 0
3 years ago
Choose the equation of the horizontal line that passes through the point (2,4)
Tanzania [10]

<u>Answer:</u>

y = 4

<u>Step-by-step explanation:</u>

The point (2, 4) has the x intercept = 2 and y intercept = 4.

A horizontal line has a slope of 0, therefore every point on a horizontal line has the same value and a slope of 0.

So to find the equation of the horizontal line, we use the value of y intercept which can be written in the form y = b where point is (a, b).

Since the point given here is (2, 4), therefore the equation of the horizontal line which passes through it will be y = 4.

6 0
3 years ago
Read 2 more answers
Can someone help? thank you
PtichkaEL [24]

Answer:

3,4,5

Step-by-step explanation:

7 0
3 years ago
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