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3 years ago

14

Shereen drew a scale drawing of a house and its lot. The scale she used was 2 inches : 1 foot. The house's driveway is 64 inches

in the drawing. How long is the actual driveway?

1 answer:

Aleks [24]3 years ago

4 0

The answer is 32 feet

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The graph shows the cost per day of electricity over a seven-day period.

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A. Negative. You’re welcome

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What is the domain and range of the square root of x+3-1?

Nata [24]

Answer:

$\large\boxed{\text{The domain:}\ x\geq-3\to x\in[-3,\ \infty)}\\\boxed{\text{The range:}\ y\geq-1\to y\in[-1,\ \infty)}$

Step-by-step explanation:

$y=\sqrt{x+3}-1\\\\The\ domain:\\\\x+3\geq0\qquad\text{subtract 3 from both sides}\\\\x\geq-3\to x\in[-3,\ \infty)\\\\The\ range:\\\\\sqrt{x+3}\geq0\qquad\text{subtract 1 from both sides}\\\\\sqrt{x+3}-1\geq-1\\\\y\geq-1\to y\in[-1,\ \infty)$

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3 years ago

A line has a slope of 2 and y intercept of -3/4 which of the following is an equation of the line

Alex Ar [27]

Answer:

Y=2x-3/4

Step-by-step explanation:

1) put all the information you have in Y=mx+b form

2) y=2x-3/4

2 is the slope and -3/4 is the y intercept

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3 years ago

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Nimfa-mama [501]

Answer: (6,-4)

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Step-by-step Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

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3 years ago

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LekaFEV [45]

Answer:

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Step-by-step explanation:

→ Work out 3 × 5

15

→ Add 4

19

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2 years ago

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