2 years ago

Help me please, it's easy kinda

Mathematics

2 answers:

trasher [3.6K]2 years ago

7 0

Karl ate 5/6 of a small bag of popcorn .

nikklg [1K]2 years ago

5 0

He ate 5/6 of a bag of popcorn

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Use row operations to solve the system.

Aleks04 [339]

Answer:

x = 2, y = 7, z = 12

Step-by-step explanation:

x + y - z = -3 (1)

3x - y + z = 11 (2)

x - 4y + z = -14 (3)

add (1) and (2)

4x = 8 x = 2

add (1) and (3)

2x - 3y = -17

2(2) - 3y = -17

-3y = -17 - 4

-3y = -21

y = 7

Find z using any equation

x + y - z = -3

2 + 7 - z = -3

9 - z = -3

z = 12

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3 years ago

Simplify the expression: –3(3 + 2n)

noname [10]

Answer:

-9 - 6n is the answer

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3 years ago

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Which graph represents an equation with the values shown in the table?

olchik [2.2K]

Answer:

Step-by-step explanation:

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2 years ago

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Multiply <br>(Please help)<br>(x+4)²

frosja888 [35]

Answer:

${(x + 4)}^{2} \\ (x + 4)(x + 4) \\ {x}^{2} + 4x + 4x + 16 \\ {x}^{2} + 8x + 16$

I hope I helped you^_^

7 0

3 years ago

What is this answerSimplify to create an equivalent expression. \qquad{8k-5(-5k+3)}8k−5(−5k+3)

Licemer1 [7]

Answer:

33k - 15

Step-by-step explanation:

Given expression,

$\qquad{8k-5(-5k+3)}$

By the distributive property,

$=8k-5(-5k) - 5(3)$

$=8k+25k-15$

By combining like terms,

$=33k-15$

∵ Further simplification is not possible,

Hence, the required simplified form of the given expression is,

$33k-15$

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2 years ago

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