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Sladkaya [172]
3 years ago
12

PLEASE HELP

Mathematics
1 answer:
Ronch [10]3 years ago
7 0

Answer:

\large\boxed{1)\ y=\dfrac{2}{3}x+\dfrac{5}{2}}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

Let

k:y=m_1x+b_1,\ l:y=m_2x+b_2\\\\l\ ||\ k\iff m_1=m_2\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}

We have

2y+3x=1

Convert to the slope-intercept from:

2y+3x=1             <em>subtract 3x from both sides</em>

2y=-3x+1            <em>divide both sides by 2</em>

y=-\dfrac{3}{2}x+\dfrac{1}{2}

m_1=-\dfrac{3}{2}\to m_2=-\dfrac{1}{-\frac{3}{2}}=\dfrac{2}{3}

Therefore your answer is

1)\ y=\dfrac{2}{3}x+\dfrac{5}{2}

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Help, two of these questions plz
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Answer:

First Answer: y= 64 and x=64

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Step-by-step explanation:

First Answer: 63 and ∠y is the same measure since there are

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Hope this helps:)

4 0
3 years ago
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The number of potato chips in a bag is normally distributed with a mean of 74 and and a standard deviation of 4. Approximately w
aleksklad [387]

Answer:

99.8%  is the percent of bags contain between 62 and 86 potato chips.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 74

Standard Deviation, σ = 4

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Formula:

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P( bags contain between 62 and 86 potato chips)

P(62 \leq x \leq 86) = P(\displaystyle\frac{62 - 74}{4} \leq z \leq \displaystyle\frac{86-74}{4}) = P(-3 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -3)\\= 0.999 - 0.001 = 0.998 = 99.8\%

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3 years ago
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There are exactly 8 boys for every 2 girls. There is 46 girls how many boys are there?
expeople1 [14]

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3 years ago
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Alchen [17]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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<em><u>(3x - 3)(x - 2)</u></em>

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