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Bad White [126]
3 years ago
10

Expand and simplify: 3(x-y)+4(x+2y)

Mathematics
2 answers:
irina [24]3 years ago
7 0
Expanded form: 3x - 3y + 4x + 8y Simplified form: 7x + 5y.  In order to do this, you need to distribute. After that, you combine your like terms.
ad-work [718]3 years ago
3 0
The answer is 3x-3y+4x+8y
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Which is a simplified form of the expression -4(n + 1) – (n + 2)?
Nadya [2.5K]

Answer:

-(5 n + 6)

Step-by-step explanation:

Simplify the following:

-4 (n + 1) - (n + 2)

-4 (n + 1) = -4 n - 4:

-4 n - 4 - (n + 2)

-(n + 2) = -n - 2:

-4 - 4 n + -n - 2

Grouping like terms, -4 - 4 n - 2 - n = (-4 n - n) + (-4 - 2):

(-4 n - n) + (-4 - 2)

-4 n - n = -5 n:

-5 n + (-4 - 2)

-4 - 2 = -(4 + 2):

-5 n + -(4 + 2)

4 + 2 = 6:

-5 n - 6

Factor -1 out of -5 n - 6:

Answer: -(5 n + 6)

4 0
3 years ago
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To rent a car for a trip, four friends are combining their money. The group chat shows the amount of money that each puts in. On
abruzzese [7]

Answer:

1. 189+224+87  2.  500- 189-224

B. q=87

Step-by-step explanation:

8 0
3 years ago
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Why are angles opposite each other when two lines cross called vertical angles?
Nezavi [6.7K]
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3 0
3 years ago
Ben earns 9 dollars per hour and 6 dollars for each delivery he makes.He wants to earn more than 155 dollars in a 8 hour work da
Luden [163]
9 x 8 = 72
155 - 72 = 83
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6 0
2 years ago
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Figure ABCD is a kite. The area of ABCD is 48 square units. The length of line segment BD is 8 units. What is the length of AC?
astra-53 [7]
The area of a kite:
A = d1 * d2 / 2
d1 = BD = 8 units
48 = 8 * AC / 2
48 * 2 = 8 AC
96 = 8 AC
AC = 96 : 8 = 12
Answer: D ) 12 units
7 0
3 years ago
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