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3 years ago

Select the correct properties of slope below.

2 answers:

8 0

A D E are the answers because the second A is the opposite and an undefined slope is a vertical line not a zero like a flat one.

Thepotemich [5.8K]3 years ago

7 0

Answer:

A.The slope of a flat line should be close to 0.

D.The slope of a flat line is smaller than the slope of a steep line.

E.A negative slope means that the line moves down from left to right

Step-by-step explanation:

A.The slope of a flat line should be close to 0.

Slope of a horizontal line is 0 always

B.The slope of a flat line is undefined. C.

Slope of a vertical line is undefined

C. A negative slope means that the line moves up from left to right.

Negative slope of a line goes down.

D.The slope of a flat line is smaller than the slope of a steep line.

Slope of flat line is close to 0 . so it is smaller than the slope of a steep line.

E.A negative slope means that the line moves down from left to right

A line with negative slope goes down and a line with positive slope goes up

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3 x 2 +4y2 if y=1

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6+4y2

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4 years ago

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4 years ago

Is 4y=x a direct variation

Alenkinab [10]

The direct variation equation is y =kx

Lets see:-

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5 0

3 years ago

3. A company manufactures light bulbs. The average lifetime for these bulbs is 4,000 hours with a standard deviation of 200 hrs.

Kisachek [45]

Answer: the company should promote 4412 hours for these bulbs.

Step-by-step explanation:

Assuming that the lives of the bulbs are normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = lifetime of the bulbs in hours.

µ = mean hours

σ = standard deviation

From the information given,

µ = 4000 hours

σ = 200 hours

If only 2% burn out, then the company would promote 98% would meet the claimed lifetime. Looking at the normal distribution table, the z score corresponding to a probability of 0.98 is 2.06. Therefore,

2.06 = (x - 4000)/200

Cross multiplying, it becomes

200 × 2.06 = (x - 4000)

412 = x - 4000

x = 4000 + 412

x = 4412 hours

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4 years ago

Three consecutive integers add up to 51 what are theses integers

mezya [45]

Answer:

16, 17 and 18 are the three nos.

tell me if you want an explaination

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers