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azamat
3 years ago
11

PLEASE HELP SOMEONE!!!

Mathematics
1 answer:
evablogger [386]3 years ago
3 0

Answer:

y = -2x

Step-by-step explanation:

For direct variation:  y = kx, where k is the constant of proportionality.

Given that Y equals -12 when x equals 6, we have -12 = k(6).  Solve this for k by dividing both sides by 6:

k = -12/6 => k = -2

Then the "direct variation equation" here is y = -2x.

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Find the value of 15.0 NN in pounds. Use the conversions 1slug=14.59kg1slug=14.59kg and 1ft=0.3048m1ft=0.3048m.
finlep [7]

3.37 lb

Step-by-step explanation:

The question requires you to convert weight in Newtons to weight in pounds.

Given 15.0 N to convert to pounds, remember the conversion rate where;

1 Newton = 0.224809 pound-force

1 N= 0.224809 lb

15 N= ?

Perform cross-product

=15*0.224809

=3.37 lb

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3 0
3 years ago
Find the equation of a line that passes through (0,0) that is perpendicular to 2x+3y=-6
Dovator [93]

The slope-intercept form of a line:

y=mx+b

m - slope

b - y-intercept

Convert 2x + 3y = -6 to the slope-intercet form:

2x+3y=-6         <em>subtract 2x from both sides</em>

3y=-2x-6         <em>divide both sides by 3</em>

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

Let k:y=m_1x+b_1 and l:y=m_2x+b_2

l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}

We have m_1=-\dfrac{2}{3}

Therefore

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

We have the equation of a line:

y=\dfrac{3}{2}x+b

Put the coordinates of the point (0, 0) to the equation:

0=\dfrac{3}{2}(0)+b

0=b\to b=0

Answer: \boxed{y=\dfrac{3}{2}x}


8 0
3 years ago
Which is the largest decimal? Please explain.<br> 0.267<br> 0.530000<br> 0.407<br> 0.000011
Slav-nsk [51]
The largest is 0.530000 because it is closest to 1. The 5 is the largest in the tenths place.
4 0
3 years ago
One week 72 people got a speeding ticket the next week only 36 people get a speeding ticket what is the percentage of change in
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Answer:

The answer would be 50%

Step-by-step explanation:

You Would get this by dviding 36/72 which would give you .5 and then you convert that to a percentage

7 0
3 years ago
Read 2 more answers
Determine whether the ordered pairs (1,4) and 6,
devlian [24]

Answer:

Not solutions.

Step-by-step explanation:

-5x+6y=-5

6y=-5+5x

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And the slope is 5/6.

So for every x there is 5/6y.

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Also 5/6*6=5. this is too low too.

So they aren't solutions.

3 0
1 year ago
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