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3 years ago

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When josh planted his bean plant, it stood only 2 inches tall. Since then it has grown 3.25 inches every two weeks. Write the eq

uation

1 answer:

inessss [21]3 years ago

6 0

Answer:

y=3.25x+2

Step-by-step explanation:

Y is the total height after x weeks and since it has grown 3.25 inches per 2 weeks it would be 3.25x and add 2 because the initial height is 2 inches

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What is the point-slope form of a line with slope -4 that contains the point (-2, 3?

olga_2 [115]

The point-slope equation of a line that cointains the point (x1,y1) and has a slope of m is
y-y1=m(x-x1)

so
point (-2,3) and slope -4
y-3=-4(x-(-2))
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3 years ago

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Assistance please!!!

Talja [164]

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3 years ago

A number r tripled plus t quadrupled please help !!

ludmilkaskok [199]

This In Expression Form Is:
3r + 4t.
The Reason Why Is Because:
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3 years ago

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Suppose that prices of recently sold homes in one neighborhood have a mean of $265,000 with a standard deviation of $9300. Using

Hatshy [7]

Answer:

Range = (237100, 292900)

Step-by-step explanation:

Using Chebyshevs Inequality:

$P(|X - \mu | \le k \sigma )\ge 1 -\dfrac{1}{k^2}= 0.889$

$1 -\dfrac{1}{k^2}= 0.889$

$\dfrac{1}{k^2}= 1- 0.889$

$\dfrac{1}{k^2}=0.111$

$k = \sqrt{\dfrac{1}{0.111}}$

$k \simeq 3$

Thus, 88.9% of the population is within 3 standard deviation of the mean with the Range = μ ± kσ

where;

μ = 265000

σ = 9300

Range = 265000 ± 3(9300)

Range = 265000 ± 27900

Range = (265000 - 27900, 265000 + 27900)

Range = (237100, 292900)

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3 years ago

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sladkih [1.3K]

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3 years ago