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3 years ago

I don’t understand please help

Mathematics

1 answer:

natali 33 [55]3 years ago

4 0

Her position is at (6,9/2)

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Solve for x² in x²-3x+2=0

Naddika [18.5K]

$x^2-3x+2=0\\x^2-x-2x+2=0\\x(x-1)-2(x-1)=0\\(x-2)(x-1)=0\\x=2 \vee x=1\\\\x^2=4 \vee x^2=1$

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3 years ago

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Easy geometry question about rhombus/measures :))

OLEGan [10]

Answer:

∠1 = 51

∠2= 51

∠3= 39

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3 years ago

A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade

forsale [732]

Answer:

B) μD = 0.60 ± 0.10(1.397)

Step-by-step explanation:

The confidence interval is given by:

$MD±t_{\alpha/2, n-1} \frac{s}{\sqrt{n} }$

Where

MD=60

n=9

df=n-1=8

$t_{\alpha/2, n-1}=1.397$

$s=\sqrt{0.09} =0.3$

Then the confidence interval is

μD=0.60±1.397*(0.3/√9)

μD=0.60±0.10*(1.397)

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3 years ago

How do I get to the end

hoa [83]

Answer:

Step-by-step explanation:

i don`t know sorry

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4 years ago

Help me plsssssssssssss

Zinaida [17]

Answer:

40mph

Step-by-step explanation:

(60mph+20mph)/2

7 0

4 years ago