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docker41 [41]
3 years ago
7

Using the distributive property simplify this -2(x-3)

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
4 0

For this case we must simplify the following expression:

-2 (x-3)

By definition we have that the distributive property establishes that:

a (b + c) = ab + ac

So, if we have:

-2 (x-3)

We take into account the law of multiplication of signs:

- * + = -\\- * - = +

So:

-2 (x-3) = - 2x + 2 * 3 = -2x + 6

Answer:

-2x + 6

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Step-by-step explanation:

For question 22: Notice the congruent symbol on sides AB and CB; this shows that the triangle is isosceles, and in an isosceles triangle, the angles opposite congruent sides are congruent. Thus, angle A actually equals angle C.

In other the find B, it is know that all of the interior angles of a triangle must add to 180; thus, this can be written as: angle A + angle B + angle C = 180.

Since you already know angles A and C, subtract angle A and angle C from 180 to get angle B.

For question 23:

Notice that triangle DBC is an isosceles triangle, and that angle D and angle C are opposite of congruent sides, indicating that they are equal. Since the interior angles of a triangle must add up to 180, and you know that angle D equals angle C, you can find angle DBC by doing 180 - (2 * angle D).

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2 years ago
What is the slope and y-intercept this table?​
svlad2 [7]

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4 0
3 years ago
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Translate the following word phrases to an algebraic expression and simplify: “8 times the difference of 6 times a number and 3”
Ostrovityanka [42]

SOLUTION:

Step 1:

In this question, we are meant to:

Translate the following word phrases to an algebraic expression and simplify:



“8 times the difference of 6 times a number and 3”

Step 2:

Assuming the unknown number be y, we have that:

\begin{gathered} 8\text{ ( 6y - 3 )} \\ =\text{ 48 y - 24} \end{gathered}

CONCLUSION:

The final answer is:

48y\text{ - 24}

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Answer:

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Let us suppose two years ago my brother's age was x years

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And my age will be (3x+2+3) = (3x+5) years

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So, 2(x+5)= (3x+5)

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3 years ago
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