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4 years ago

WHAT IS THE SLOPE OF THE LINE PASSING THROUGH THE POINTS (-2, -7) AND (3, 5)?????? PLZ ANSWER QUICKLY!!

Mathematics

1 answer:

jarptica [38.1K]4 years ago

8 0

Answer:

The slope of the line with points A(-2, -7) and B(3,5) is m = (12/5).

Step-by-step explanation:

The two pints are given as A(-2, -7) and B(3,5)

Slope of a line with points (a,b) and (c,d) is given as

$m =( \frac{d -b}{c-a} )$

So, here the slope of line AB is

$m =( \frac{5 - (-7)}{3 - (-2)} ) = \frac{5+ 7}{3 +2} = \frac{12}{5}$

or, m = 12/5

Hence, the slope of the line with points A(-2, -7) and B(3,5) is (12/5).

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The amount of time people spend exercising in a given week follows a normal distribution with a mean of 3.8 hours per week and a

Travka [436]

Answer:

i and iii) In the figure attached part a we have the illustration for the area required for the probability of less than 2 hours and in b the illustration for the probability that X would be between 2 and 4

ii) $P(X$

And using the normal standard table or excel we got:

$P(z$

iv) $P(2$

And we can find the probability with the following difference and usint the normal standard distirbution or excel and we got:

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Step-by-step explanation:

Let X the random variable that represent amount of time people spend exercising in a given week, and for this case we know the distribution for X is given by:

$X \sim N(3.8,0.8)$

Where $\mu=3.8$ and $\sigma=0.8$

Part i and iii

In the figure attached part a we have the illustration for the area required for the probability of less than 2 hours and in b the illustration for the probability that X would be between 2 and 4

Part ii

We are interested on this probability:

$P(X$

We can use the z score formula given by:

$z=\frac{x-\mu}{\sigma}$

Using this formula we have:

$P(X$

And using the normal standard table or excel we got:

$P(z$

Part iv

We want this probability:

$P(2$

Using the z score formula we got:

$P(2$

And we can find the probability with the following difference and usint the normal standard distirbution or excel and we got:

$P(-2.25$

3 0

4 years ago

ALGEBRA determine the angle measure in the polygon.a. 30°, 150°, 30°, 150°b. 30°,30°,30°,30°c. 45°,225°,45°,255°D. 15°,75°,15°,7

Veseljchak [2.6K]

We know that consecutive angles in a parallelogram are supplementary, as they are consecutive interior angles between parallel lines.

Then, if we add the measure of x° and the measure of 5x° we get 180°. Then, we can write this expression and solve for x:

$\begin{gathered} x+5x=180 \\ 6x=180 \\ x=\frac{180}{6} \\ x=30 \end{gathered}$

Then, the angle x has a measure of 30° and the angle 5x has a measure of 5*30=150°.

Answer: a. 30°, 150°, 30°, 150°

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2 years ago

The sum of two numbers is 40. Two times the smaller number is 17 more than the larger. Find the numbers

IgorC [24]

X+y=40
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=(19,21)

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4 years ago

Can 17, 9, and 11 be the side lengths of a triangle?

Papessa [141]

Answer:

No it cant

Step-by-step explanation:

You have to use the Pythagoras theorem which is a^2 + b^2 = c^2. So 9^2 + 11^2= 202. Then 17 is the hypotenuse so 17^2= 289. They are not equal so they are not.

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3 years ago

In a recent year, 21% of all college students were enrolled part-time. If 7.6 million college students were enrolled part-time t

Blizzard [7]

Answer:

36.19047619 million

or 36,190,476 students

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3 years ago

WHAT IS THE SLOPE OF THE LINE PASSING THROUGH THE POINTS (-2, -7) AND (3, 5)?????? PLZ ANSWER QUICKLY!!​

WHAT IS THE SLOPE OF THE LINE PASSING THROUGH THE POINTS (-2, -7) AND (3, 5)?????? PLZ ANSWER QUICKLY!!