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Andreyy89
3 years ago
13

How do I find the equation of a line when I'm given the point and slope?

Mathematics
2 answers:
Paul [167]3 years ago
6 0
The equation of a line is mx+b
Serjik [45]3 years ago
5 0
Mx+b....hope this helps!!!
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For males in a certain town, the systolic blood pressure is normally distributed with a mean of 125 and a standard deviation of
Gala2k [10]

Answer:

G= 93 to 147

Step-by-step explanation:

From the question we are told that

Mean x = 120

Standard deviation o = 9

Percentage for men =99.75%

Generally the empirical rule 68%,95% and 99.7% of data value lay b/w 1,2,3 standard deviation of mean  

Standard deviation n= 9

Mean x= 120

Generally the interval  of systolic blood pressure for middle 99.7 of male G is mathematically given as

G = mean + 3 * o

G = 120 + 3 * 9

G = 93 to 147

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2 years ago
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Goes through the points (0,4) and (5,4)
matrenka [14]

Answer:

y=4

Step-by-step explanation:

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A right circular cylinder has a diameter of 16 mm and a height of 12 mm.
Aleonysh [2.5K]
I think it’s C or B
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3 years ago
The radius of circle L is 22 cm.
sergiy2304 [10]
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7 0
3 years ago
Y is inversely proportional to x.
Inessa [10]

Answer:

1. xy = 63

2. y = 3

Step-by-step explanation:

Given

Variation: inverse Proportion

y = 7, x = 9

Required

- Write an equation connecting y and x

- Find y when x = 21

Given that thee variation is inversely proportional;

This implies that

y\ \alpha\ \frac{1}{x}

Convert variation to equation

y\ = \frac{k}{x} ----------- Equation 1

Where k is the constant of variation

Substitute 7 for y and 9 for x in equation 1

7 = \frac{k}{9}

Multiply both sides by 9

9 * 7 = 9 * \frac{k}{9}

63 = k

Substitute 63 for k in equation 1

y = \frac{63}{x}

Multiply both sides by x

x * y = \frac{63}{x} * x

xy = 63

Hence, the equation connecting x and y is xy = 63

Solving for when x = 21

Substitute 21 for x in the above equation

21 * y = 63

Divide both sides by 21

\frac{21 * y}{21} = \frac{63}{21}

y = 3

4 0
3 years ago
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