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sertanlavr [38]
3 years ago
12

Write the equation in point slope form that describes the line given by the two points (2,1) and (2,-2) are on a line. then conv

ert your equation into slope intercept form.
Please help me!!!!!
Mathematics
2 answers:
vovikov84 [41]3 years ago
8 0

Answer

The equation of line x = 2.

Step by step explanation

First we have to find the slope from the given two points.

(2, 1) and (2, -2)

Here x1 =2, y1 = 1, x2 =2 and y2 = -2

Slope formula = \frac{y2 - y1}{x2 - x1}

= (-2 - 1) /(2 - 2)

= -3/0

Slope(m) = 0

Here the value of x coordinates are the same and slope = 0, therefore, it is vertical line.

Hence the equation x = 2.

Thank you.

Aleonysh [2.5K]3 years ago
5 0

Answer: There is no way we can find the point slope form of two points together since only one point is needed for point slope.


Step-by-step explanation:  However the slope of these two points is undefined which means not even a slope-intercept equation would be possible for these two points.

Hope this helps!


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-10 F is colder than -4 degrees?
Aleks04 [339]

Answer: yes, it is a smaller temperature, which means that is "colder"

Step-by-step explanation:

I guess that the question is:

Is -10°F colder than - 4°C?

Ok, when we have a temperature T in Celcius, the equation to transform this quantity to the Fahrenheit scale is:

T' = (T*9/5) + 32°

Replacing T by the temperature in celcius, we get:

T' = (-4°*9/5) + 32° = 24.8°F

This means that -4°C is equivalent to 24.8°F

And -10°F is a smaller value than 24.8°F (which mean that is colder)

This implies that -10°F is colder than -4°C

Then the statement is true.

4 0
3 years ago
What additional information is needed to prove the triangles are congruent by the SAS Postulate?
Kitty [74]
You need to know the length of two sides and the degree of one angle.
7 0
3 years ago
I just need to make sure my answer is correct :)
vampirchik [111]

Answer:

Its positive

Step-by-step explanation:

3x - 5 = -3

3x = 2

x = 2/3

2/3 is positive

5 0
3 years ago
If a cone shaped vase can hold 45 cubic centimeter of water and has a radius of 2 centimeters what is the height of the vase use
xz_007 [3.2K]

Answer:

The height of the vase is h=10.75\ cm

Step-by-step explanation:

we know that

The volume of a cone is equal to

V=\frac{1}{3}\pi r^{2} h

we have

V=45\ cm^{3}

r=2\ cm

\pi =3.14

substitute and solve for h

45=\frac{1}{3}(3.14)(2)^{2} h

135=(3.14)(4)h

135=12.56h

h=135/12.56

h=10.75\ cm

3 0
3 years ago
A box has five items, three good and two defective. three items are selected at random without replacement. let x be the number
user100 [1]
This problem can be solved from first principles, case by case.  However, it can be solved systematically using the hypergeometric distribution, based on the characteristics of the problem:
- known number of defective and non-defective items.
- no replacement
- known number of items selected.

Let
a=number of defective items selected
A=total number of defective items
b=number of non-defective items selected
B=total number of non-defective items
Then 
P(a,b)=C(A,a)C(B,b)/C(A+B,a+b)
where 
C(n,r)=combination of r items selected from n,
A+B=total number of items
a+b=number of items selected

Given:
A=2
B=3
a+b=3
PMF:
P(0,3)=C(2,0)C(3,3)/C(5,3)=1*1/10=1/10
P(1,2)=C(2,1)C(3,2)/C(5,3)=2*3/10=6/10
P(2,0)=C(2,2)C(3,1)/C(5,3)=1*3/10=3/10
Check: (1+6+3)/10=1 ok
note: there are only two defectives, so the possible values of x are {0,1,2}

Therefore the 
PMF:
{(0, 0.1),(1, 0.6),(2, 0.3)}

7 0
2 years ago
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