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Zepler [3.9K]
3 years ago
8

Simplify. (In picture)

Mathematics
1 answer:
kramer3 years ago
7 0

Simplifying the numerator becomes (x-1)(x+3)/(x-4).

The denominator becomes (2x-1)(x+3)/[(x-4)(x+4)].

Simplifying it becomes (x-1)(x+4)/(2x-1), making it (x^2+3x-4)/(2x-1), or answer choice A.

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What is the radius of a circle whose equation is x2 + y2 – 10x + 6y + 18 = 0? how many units?
morpeh [17]
(x-a)^2+(y-b)^2=r^2
x^2 + y^2 - 10x + 6y + 18 = 0\\\\ x^2-10x+y^2+6y+18=0 \\\\ (x-5)^2-25+(y+3)^2-9+18=0\\\\ (x-5)^2+(y+3)^2=16\\\\ r^2=16
r = \sqrt{16} \\\\ r=4 
5 0
4 years ago
Read 2 more answers
What should be done to both sides of the equation in order to solve w - 9 1/2 = 15?
Effectus [21]

Answer:

Solve for  

w

by simplifying both sides of the equation, then isolating the variable.

Exact Form:

w

=

49

2

Decimal Form:

w

=

24.5

Mixed Number Form:

w

=

24

8 0
4 years ago
What is the area of a circle if the diameter is 16 millimeters? ​
Pavlova-9 [17]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>A ≈ 201.06 mm²</em>

▹ Step-by-Step Explanation

A = πr²

Radius = 1/2d

Radius = 1/2(16)

Radius = 8

Substitute:

A = π8²

A ≈ 201.06 mm²

Hope this helps!

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7 0
3 years ago
Read 2 more answers
12x - 10 = 5x + 7x - 15 + 5​
Lostsunrise [7]

Answer:

infinitely many solutions

Step-by-step explanation:

12x-10=12x-10

12x=12x

x=x

4 0
3 years ago
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Comapre the ratios in table1 and table 2
wariber [46]

Answer:

Step-by-step explanation:

Table 1

3:5   , 6 : 10  ,  9 :15  ,   12 : 20

Table 2

7 : 10  , 14 : 20  ,  21 : 30  , 28 : 40

All table 1 Ratios  are equal

All table 2 Ratios are equal

3 : 5

= 6 : 10

6 < 7

=> 6 : 10 < 7 : 10

=> 3 : 5 < 7 : 10

=>  The ratio 3:5 is less than the ratio 7:10

All table 1 Ratios  are equal

All table 2 Ratios are equal

=> All table 1 Ratios  are less than the ratios in Table 2

The ratio 14:20 is greater than the ratio 9:15.

Learn more:

divide 40 into ratio of 5:2 - Brainly.in

brainly.in/question/7339521

5 0
3 years ago
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