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8090 [49]
3 years ago
8

Find KL. K X-1 L 12 M

Mathematics
1 answer:
Aneli [31]3 years ago
6 0

Answer:

KL = 9

Step-by-step explanation:

(7 + x - 1)(x - 1) = 12²

(x + 6)(x - 1) = 144

x² -x + 6x - 6 = 144

reduce:

x² + 5x -150 = 0

(x + 15)(x - 10) = 0

x = -15, x = 10

KL = 10 - 1 = 9

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9=90,8=72,7=56,6=42,3=?
Nat2105 [25]
9(10)=90

8(9)=72

7(8)=56

6(7)=42

5(6)=30

4(5)=20

3(4)=12

3=12
7 0
4 years ago
Read 2 more answers
How do you change y=x^2-10x-6 into vertex form
In-s [12.5K]

Converting to vertex form is actually pretty simple so I think you might find something to help you out here. :)

https://mathbitsnotebook.com/Algebra1/Quadratics/QDVertexForm.html

3 0
3 years ago
What is a point-slope equation of the line with slope -10 that goes through the point (1,4)?
Svet_ta [14]

Answer:

<h3>The answer is option A</h3>

Step-by-step explanation:

To find an equation of a line in point slope form when given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question

the slope is - 10

the point is (1,4)

So the equation of the line is

<h2>y - 4 =  - 10(x - 1)</h2>

Hope this helps you

8 0
3 years ago
Your team gets an ice sculpture in the shape of a basketball. It has a radius of 12
cluponka [151]

Answer:

7234.56 inches cubed

Step-by-step explanation:

V=4/3 times pi times r cubed

4/3 times 3.14 times 1728

6 0
3 years ago
Which represents 23<br> as the sum of a whole number and a fraction?
yan [13]

Answer:

3+5/6

Step-by-step explanation:

you can check by multiplying 3 to the denominator (6) which is 18 and adding it to the numerator (5) to make it 23/6.

4 0
3 years ago
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