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2 years ago

I NEED HELP LIKE ASAP

Mathematics

1 answer:

dangina [55]2 years ago

7 0

The answer is D because my dad said so and my dad knows everything

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Reorder the numbers and combine like terms to simplify. 4.5 + 2 1/2 + 6.0 - 5 1/2

DanielleElmas [232]

Answer: B

Step-by-step explanation:

4.5+6=10.5

2 1/2 - 5 1/2 = 2.5 - 5.5 = -3

10.5 - 3 = 7.5

6 0

3 years ago

Omgggg plss help me :(((((((

True [87]

Step-by-step explanation:

(-4,10)

hope it helps you

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3 years ago

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Quanto fa 2 +2??? grazie <br>

Akimi4 [234]

Answer:

Step-by-step explanation:

2+2=4

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3 years ago

Solve by elimination 5x+2y=-11 and 3x+2y=-9

pshichka [43]

Answer:

$5x + 2y = - 11 - - - (a) \\ 3x + 2y = - 9 - - - (b) \\ (a) - (b) : \\ 2x + 0y = - 2 \\ x = - 1 \\ (3 \times - 1) + 2y = - 9 \\ - 3 + 2y = - 9 \\ 2y = - 6 \\ y = - 3 \\ { \boxed{x = - 1}} \\ { \boxed{y = - 3}}$

8 0

3 years ago

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9x (-2y + 5x) - 4 xy (6x-3y) please the person who answers will be marked as brainliest. please show working

Alenkasestr [34]

Answer:

See explanation

Step-by-step explanation:

$9x(-2y+5x)-4xy(6x-3y)$

By the distributive property this is equal to:

$9x(-2y)+9x(5x)-4xy(6x)-4xy(-3y)=\\\\-18xy+45x^2-24x^2y+12xy^2$

Hope this helps!

4 0

4 years ago