2 years ago

Help with 19, 19a, and 19b please

Mathematics

2 answers:

ArbitrLikvidat [17]2 years ago

7 0

19b 36 is correct can’t figure out the other one

Nina [5.8K]2 years ago

3 0

The answer to 19b is 35

i’m sorry i don’t know part A

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PLEASE help me with this question and I WILL love you forever But yeah please help me with the question.And EXPLAIN in words how

Rufina [12.5K]

Well on this problem recall area of a rectangle is defined by:

A = lw our w = 1/6 and our l = (x + $\frac{2}{3}$ ) we have let 'x' represent our original length.
$(x + \frac{2}{3} )( \frac{1}{6} )= \frac{11}{72}$
$\frac{1}{6} x+ \frac{2}{18} = \frac{11}{72}$
12x + 8 = 11
12x = 11 - 8
12x = 3
x = $\frac{3}{12} = \frac{1}{4}$ So our original length is $\frac{1}{4}$

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The answer would be (4,3)

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Step-by-step explanation:

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What is the equation of a line that passes through the point (4, 2) and is perpendicular to the line whose equation is y= x/3−1

Alex_Xolod [135]

Perpendicular lines have slopes that are opposite and reciprocal. Therefore, the line we are looking for has a -3 slope.
y= -3x+b

Now, we can substitute in the point given to find the intercept.
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Finally, put in everything we've found to finish the equation.
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Natasha2012 [34]

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