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scZoUnD [109]
2 years ago
5

Question 6 Find the slope of the line passing through the points (11,-5) and (11,6)

Mathematics
1 answer:
zimovet [89]2 years ago
3 0

There are two ways to approach this.

Option #1:

Use the slope formula m = \dfrac{y_2-y_1}{x_2-x_1}.

    m= \dfrac{6-(-5)}{11-11} = \dfrac{11}{0}

That value is undefined, so the slope is undefined.

Option #2:

Because the two points have the same x-value, they will be vertically above/below one another.  This means your line is a vertical line and the slope of a vertical line is undefined.

Either way, your slope is undefined.

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4c^2-8c-1=0 complete the square round to nearest hundredth
olga55 [171]
Move constant to other side
add 1
4c^2-8c=1
divide by 4 to make leading coeficient 1
c^2-2c=1/4
take 1/2 of linear coeficient and square it
-2/2=-1, (-1)^2=1
add that to both sides
c^2-2c+1=1/4+1
factor perfect squaer and add
(c-1)^2=5/4
square root both sides
c-1=+/-(√5)/2
add 1
c=1+/-(√5)/2

c=2.12 or -0.12
8 0
3 years ago
A hair stylist knows that 87% of her customers get a haircut and 40% get their hair colored on a regular basis. Of the customers
jeka94

Answer : 0.21%

Step - by - step explanation :

What is 24% of 87% ? 0.2088%

0.2088% -- round it --> 0.21%

4 0
2 years ago
Suppose f(x) = 1/4 over the range a ≤ x ≤ b, and suppose P(X > 4) = 1/2.
Anettt [7]

Answer:

a=2

b=6

Step-by-step explanation:

Assuming a uniform distribution and that a ≤ x ≤ b, if f(x) = 1/4, then:

f(x) =\frac{1}{4}=\frac{1}{b-a}\\b-a = 4

If P(X > 4) = 1/2, then:

\frac{1}{2} = 1-(\frac{x-a}{b-a})=1-(\frac{4-a}{4})\\a-4+4 =\frac{1}{2}*4\\ a=2\\b=4+a\\b=6

The values for a and b are, respectively, 2 and 6.

3 0
3 years ago
(5x - 1, if x &lt; -2<br> Evaluate f(x) =<br> Lx+ 3, if x &gt; -2<br> when z = 3.
Brilliant_brown [7]

Answer:

(5x - 1, if x < -2

Evaluate f(x) =

Lx+ 3, if x > -2

when z = 3.

Step-by-step explanation:

5 0
2 years ago
What is the answer to this?​
myrzilka [38]

Answer:r=3cm,diameter =6cm and C=18.84cm

Step-by-step explanation:

To find the radius,diameter and circumference according to the diagram drawn above

r=3cm

Diameter=2×3cm

d=6cm

To find the circumference

C=2πr

C=2×3.14×3cm

C=18.84cm

4 0
3 years ago
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