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arlik [135]
3 years ago
10

Please I need help ASAP

Mathematics
1 answer:
Vikki [24]3 years ago
3 0

Answer:

{y,x}={-2,8}

Step-by-step explanation:

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Construct 3 linear equation starting with qiven solution z = 1/3
Andreyy89

Answer:

(a)9z+2=5

(b)21z-11=-4

(c)4z=2-2z

Step-by-step explanation:

We are required to construct 3 linear equations starting with the given solution z = 1/3.

<u>Equation 1</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 9

9z=\frac{1}{3}\times 9\\9z=3

Rewrite 3 as 5-2

9z=5-2

Add 2 to both sides

Our first equation is: 9z+2=5

<u>Equation 2</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 21

21z=\frac{1}{3}\times 21\\21z=7

Rewrite 7 as 11-4

21z=11-4

Subtract 11 from both sides

Our second equation is: 21z-11=-4

<u>Equation 3</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 6

6z=\frac{1}{3}\times 6\\6z=2

Rewrite 6z as 4z+2z

4z+2z=2

Subtract 2z from both sides

Our third equation is: 4z=2-2z

4 0
3 years ago
There is 192 inches how much does 192 equals feet
alexira [117]
1 ft = 12 in
192/12 = 16
16 ft = 192 in
7 0
3 years ago
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HELP WILL GIVE BRAINLESS Which choice is equivalent to the fraction below? (Hint: Rationalize the
Ad libitum [116K]

Answer:

C. \sqrt{x + 2}  -  \sqrt{x}

Step-by-step explanation:

\frac{2}{ \sqrt{x} +  \sqrt{x + 2}  } \\  \\  =   \frac{2}{ (\sqrt{x} +  \sqrt{x + 2})  } \times  \frac{(\sqrt{x}  -   \sqrt{x + 2})}{(\sqrt{x}  -   \sqrt{x + 2})}  \\  \\  =  \frac{2( \sqrt{x}  -  \sqrt{x + 2}) }{ ({ \sqrt{x} )}^{2}  -  {( \sqrt{x + 2} )}^{2} }  \\  \\  = \frac{2( \sqrt{x}  -  \sqrt{x + 2}) }{ x  -  {( x + 2)} }  \\  \\  = \frac{2( \sqrt{x}  -  \sqrt{x + 2}) }{ x  -   x  - 2 } \\  \\  = \frac{2( \sqrt{x}  -  \sqrt{x + 2}) }{  - 2 }  \\  \\  =  - ( \sqrt{x}  -  \sqrt{x + 2})  \\  \\  \frac{2}{ \sqrt{x} +  \sqrt{x + 2}  } =   \purple{ \bold{\sqrt{x + 2}  -  \sqrt{x} }}

3 0
3 years ago
Pls help I hate math
postnew [5]

Answer:

look below!

Step-by-step explanation:

For the length I think you meant 32, and if you did it is $14.40

If not and you meant length of 2 it is $0.90

4 0
3 years ago
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How can you find the greatest common factor of two numbers
oksian1 [2.3K]
One way to find the GCF of a number is to list out all of the factors of each number and then find which factors they both have. The largest of the common factors is the GCF. Hope this helps!
5 0
3 years ago
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