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Allushta [10]
2 years ago
7

GIVING OUT BRAINLIEST / 70 POINTS TO ANSWER

Mathematics
2 answers:
daser333 [38]2 years ago
8 0

Answer:

7a+b-9c+17d

Step-by-step explanation:

-5 ( a-2b+3c -4d) - (-3) (4a -3b+2c-d)

Distribute

-5a+10b-15c+20d+12a-9b+6c-3d

Combine like terms

7a+b-9c+17d

dalvyx [7]2 years ago
5 0

7a + b - 9c + 17d

step-by-step explanation

(- 5)( a - 2b +3c - 4d ) - (-3)( 4a - 3b+2c - d )

- 5( a - 2b + 3c - 4d ) - (-3)( 4a - 3b + 2c - d)

Using Distributive property

- 5a + 10b - 15c + 20d + 12 a - 9b + 6c - 3d

Arranging like terms together

- 5a + 12a + 10b - 9b -15c + 6c + 20d -3d

7a + b - 9c + 17d

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What expression in terms of x can be used to represent the area of parallelogram PQRS?
borishaifa [10]

Answer:

C. (5x√2)² = 50x²

Step-by-step explanation:

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3 years ago
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Answer:

Question 2

x is approximately 15.038 or 15 days

Question 3

$3.41

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31.1

Step-by-step explanation:

Question 2

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Multiply both sides by x

5.2x=78.2

divide by 5.2

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or 15 days

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