2 years ago

Pleaseeee help??????

Mathematics

1 answer:

expeople1 [14]2 years ago

6 0

A is the associative property of addition

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Veronica works at a music store last week she sold five more than three times the number of headphones that she sold this week.

svet-max [94.6K]

Answer:

14 headphones

Step-by-step explanation:

Use algebraic manipulation. Let x be the number of headphones sold this week:

89 = x + (3x + 5)

Combine like terms:

89 = 4x + 5

Get the x's on one side:

84 = 6x

Divide:

14 = x

So, Veronica sold 14 headphones this week.

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2 years ago

Which lines are perpendicular to the line y – 1 = One-third(x+2)? Check all that apply.

irinina [24]

Answer:

Lines that have a slope of -3

Step-by-step explanation:

Take the negative reciprocal of 1/3 and all lines that have that as the slope are perpendicular

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4 years ago

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Exact Form: $\frac{5}{3}$

Mixed Number: $1\frac{2}{3}$

Decimal Form: 1.6(this is a repeating decimal)

The answer is A. 1 2/3

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3 years ago

Use the vertex formula to find the vertex of the quadratic function f(x)=-x^2+6x-10

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Step-by-step explanation:

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Explain how you can decide whether the equation represents the graph. What can you do to the equation to make it a better fit fo

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Answer:

Step-by-step explanation:

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3 years ago

Pleaseeee help??????​

Pleaseeee help??????