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3 years ago

Which expression is equivalent to the given expression? 5x−2

Mathematics

2 answers:

kompoz [17]3 years ago

8 0

The second one is same !

as 2x-2+3x= 5x-2 .....so answer is B

PtichkaEL [24]3 years ago

6 0

2x-2+3x you add the 2x and 3x together and the -2 is whats left over

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Resolver 3 -2x=12 -6x

mr Goodwill [35]

Answer:

x = 9/4

Step-by-step explanation:

Solve for x. Start by adding 6x to both sides, which results in 3 + 4x = 12.

Combine the constants, obtaining 4x = 9.

Dividing both sides by 4, we get x = 9/4.

5 0

2 years ago

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What is the value of z so that -9 and 9 are both solutions of x^2+z=103?

Ira Lisetskai [31]

The answer is C.
x^2 + z = 103x^2 + 22 = 103*Subtract both sides by 22*x^2 + 22 - 22 = 103 - 22x^2 = 81*square root both sides to find x*√x^2 = <span>√81</span>
<span>x = +- 9</span>

8 0

2 years ago

When expressing sets, you may write "inf" for infinity and "U" for union.

GarryVolchara [31]

Answer:

The complement of the given set in interval notation is $(-\infty,-5]\cup(6,\infty)$ . It can we written as (-inf,5]U(6,inf).

Step-by-step explanation:

The given set in interval notation is

(−5,6]

It means the set is defined as

$A=\{x|x\in R,-5$

If B is a set and U is a universal set, then complement of set B contains the elements of universal set but not the elements of set B.

Here, universal set is R, the set set of all real numbers.

$U=\{x|x\in R\}$

The complement of the given set is

$A^c=U-A$

$A^c=\{x|x\in R,-\infty$

Complement of the given set in interval notation is

$A^c=(-\infty,-5]\cup(6,\infty)$

Therefore the complement of the given set in interval notation is $(-\infty,-5]\cup(6,\infty)$ . It can we written as (-inf,5]U(6,inf).

3 0

2 years ago

PLZ ANSWER !!

Alchen [17]

A 96 because 25 percent of 400 is 100 and 24 percent is 96

7 0

2 years ago

Ayuda! Por favor

EastWind [94]

I’d say the answer is B

8 0

2 years ago

Read 2 more answers