3 years ago

Name 2 or 3 you know about variable and how

1 answer:

7 0

Answer:

a variable is an unknown number, the point of algebra is to solve for the. they are represented by letters, 5x is an example.

Step-by-step explanation: skillz

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Which equation supports the given conjecture?

Arada [10]

It should've d because both numbers are odd and =even so the answer is D

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4 years ago

Answer for (12x+5)x-7x+2

mezya [45]

Answer:

(12x2-2x+2)

Step-by-step explanation:

(12x)(x)+(5)(x)+-7x+2

12x2+5x+-7x+2

(12x2)+(5x+-7x)+(2)

12x2+-2x+2

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3 years ago

Three families track their distance while traveling to the band competition each family recorded data in different form which fa

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Step-by-step explanation:

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3 years ago

Solve for all possible values of x.

KATRIN_1 [288]

Answer:

Option d) x = 25

Step-by-step explanation:

we have

$\sqrt{x-9}+4=8$

Solve for x

Subtract 4 both sides

$\sqrt{x-9}+4-4=8-4$

$\sqrt{x-9}=4$

squared both sides

$(x-9)=(+/-)4^2$

$(x-9)=(+/-)16$

Adds 9 both sides

$x=9(+/-)16$

$x1=9(+)16=25$

$x2=9(-)16=-7$

<u><em>Verify </em></u>

1) For x=25

$\sqrt{25-9}=4$

$\sqrt{16}=4$

$4=4$ ----> is true

therefore

x=25 is a solution

2) For x=-7

$\sqrt{-7-9}=4$

$\sqrt{-16}=4$

The radicand cannot be a negative number

therefore

x=-7 is not a solution

4 0

3 years ago

Read 2 more answers

Triangles H J K and L M N are congruent. Triangle H J K is rotated about point H to form triangle L N M. Triangle L M N is highe

Sauron [17]

Answer:

Translate K to N and rotate about K until HK lies on the line containing LN.

Step-by-step explanation:

Hope this helps bb's!!

Lots of love and peace your way!! <3

7 0

3 years ago

Read 2 more answers