4 years ago

Hello can someone help me with algebra 1 homework ?

Mathematics

1 answer:

lbvjy [14]4 years ago

3 0

Whats the problem? I could help lol

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-3x+7=28 what am i supposed to do once i get it to be -3x=21

Brums [2.3K]

Answer:

You would divide by -3, in this case x would be -7

Step-by-step explanation:

-3/-3 = x -3/21 = -7

x=-7

4 0

3 years ago

Which set of values for x makes the inequality 12−x<7 true

kozerog [31]

Answer:

$\{x:x>5\}$

Step-by-step explanation:

Given

$12 - x < 7$

Required

Values of x that make it true

First: solve the inequality.

$12 - x < 7$

Collect Like Terms

$- x < 7-12$

$- x < -5$

Multiply both sides by -1

$-1 * - x < -5 * -1$

$x > 5$ --- The inequality changes when multiplied by a negative value

So, the solution implies that the value of x is greater than 5 (i.e. 6, 7, 8..)

Hence, the set is:

$\{x:x>5\}$

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3 years ago

Angle Sum Theorem Acellus<br> 20 120 y = ?

Dmitry [639]

We know

Sum of two interior angles=exterior angle

$\\ \sf\longmapsto 20°+120°=$

$\\ \sf\longmapsto$

Hope it helps

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3 years ago

A study with a sample that is very different from the population is

ArbitrLikvidat [17]

F. An experiment because they are conducting a study and experimenting with a sample different from what is known

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3 years ago

(a)

sergey [27]

Answer:

A = f^2 g(3)^2

B = g^2 f(3)^2

Step-by-step explanation:

Give brainiest please! <3

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2 years ago