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3 years ago

A given line has the equation 10x + 2y = −2.

Mathematics

2 answers:

Wewaii [24]3 years ago

6 0

If it is parallel, it will contain the same slope. Slope in this case is -5.

umka21 [38]3 years ago

4 0

Your parallel line would be: y = -5x + 12
Hope this helps!

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Kareem ran three times last week. Here are the distances he rall

EleoNora [17]

Simply add the three decimals to find Kareem's total distance.

1.6 + 11.5 + 15 = 28.1

(0.6 + 0.5 = 1.1, 1 + 11 + 15 = 27, 27 + 1.1 = 28.1)

<h2>Answer:</h2>

<u>Kareem ran </u><u>28.1 km</u><u> on those three days.</u>

I hope this helps :)

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2 years ago

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3 years ago

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Ludmilka [50]

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2 years ago

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Lelechka [254]

Answer:

The degrees of freedom for this sample are 27.

The sample size to get a margin of error equal or less than 0.3656 is n=4450.

Step-by-step explanation:

The degrees of freedom for calculating the value of t are:

$df=n-1=28-1=27$

With 27 degrees of freedom and 95% confidence level, from a table we can get that the t-value is t=2.052.

The sample size to get a margin of error equal or less than 0.3656 can be calculated as:

$MOE=t\cdot s/\sqrt{n}\\\\n=\left(\dfrac{t\cdot s}{MOE}\right)^2=\left(\dfrac{2.052\cdot 11.8841}{0.3656}\right)^2=66.7^2\\\\\\n=4449.13\approx4450$

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3 years ago

Divide : 5 ( 2X+1 ) ( 3X+5 ) ÷ ( 2X+1 )

lesantik [10]

Answer:

15x+25

Step-by-step explanation:

cancel out (2x+1) you'll be left with 5(3x+5)

when multiply 5 by 3x+5

6 0

2 years ago

Read 2 more answers