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Maksim231197 [3]
3 years ago
12

Simplify the following expression by combining like terms: - 2 +63 +2 - 2x + 8 - 4:

Mathematics
1 answer:
tangare [24]3 years ago
5 0

Answer:

6+4x-3z

Step-by-step explanation:

<u>-2</u>+6x+z-2x<u>+8</u>-4z

6<u>+6x</u>+z<u>-2x</u>-4z

6+4x<u>+z-4z</u>

6+4x-3z

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Which statement is false?
mariarad [96]

Answer:

D. Every real number is also rational.

8 0
3 years ago
All of the following expressions have the same value except
MrMuchimi

Answer:

1 - 4/5-(-1/5)

Step-by-step explanation:

1. - 4/5-(-1/5)

= -0.8+0.2 (if there is a minus sign inside and outside of the parenthesis, when we destroy that parenthesis, both the minus signs will be multiplied and becomes a (+).) (Making it to the percentile).

= -0.6

2. - 4/5-1/5

= -0.8-0.2

= -1

3. -(4/5+1/5)​

= -(0.8+ 0.2) (Making those to the percentile).

= -(1) = -1 (When we destroy the parenthesis, if there is a minus sign outside the parenthesis, the result will become a minus.)

From the above expressions, we can see that after calculating, the second and third expressions have the same value, i. e. -1. However, the result of the first expression is different, and we get -0.6. So option one is the right choice.

6 0
3 years ago
Please answer correctly !!!!!!! Will mark 50 points !!!!!!!!!!!!!!!!
Anastasy [175]
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4 0
3 years ago
Find the slope of the given line. Please see attached photo. Thank you
valentinak56 [21]

Answer:

<u>-2</u>

Step-by-step explanation:

Find two points which lie on the line :

  • Take (-2, -1) and (-1, -3)

Formula for slope (m) :

  • m = y₂ - y₁ / x₂ - x₁
  • m = -3 + 1 / -1 + 2
  • m = -2/1
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5 0
2 years ago
Read 2 more answers
A −3=( a 1 ) 5 what is the value of a?
PtichkaEL [24]

Answer:

A=\frac{-3}{4}

Step-by-step explanation:

a−3=a1(5)

Step 1: Simplify both sides of the equation.

a−3=a1(5)

a+−3=5a

a−3=5a

Step 2: Subtract 5a from both sides.

a−3−5a=5a−5a

−4a−3=0

Step 3: Add 3 to both sides.

−4a−3+3=0+3

−4a=3

Step 4: Divide both sides by -4.

-4a/-4 = 3/-4

<h3>Your final answer is a=-3/4</h3>

4 0
3 years ago
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