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boyakko [2]
2 years ago
10

Triangle J K L is shown. Angle K J L is 58 degrees and angle J L K is 38 degrees. The length of J K is 2.3 and the length of J L

is k.
Law of sines: StartFraction sine (uppercase A) Over a EndFraction = StartFraction sine (uppercase B) Over b EndFraction = StartFraction sine (uppercase C) Over c EndFraction

Which measures are accurate regarding triangle JKL? Select two options.

m∠K = 94°
k ≈ 3.7 units
k ≈ 4.6 units
KL ≈ 2.5 units
KL ≈ 3.2 units
Mathematics
2 answers:
Romashka-Z-Leto [24]2 years ago
5 0
Try 3.7 and see it u got it
yKpoI14uk [10]2 years ago
5 0

Answer:

C and D 3.7 and 2.5

Step-by-step explanation:

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Suppose a baby food company has determined that its total revenue R for its food is given by R = − x ^3 + 102 x ^2 + 1575 x wher
cricket20 [7]

Answer:

75 thousand

Step-by-step explanation:

R = -x³ + 102x² + 1575x

To maximize R, find dR/dx and set to 0:

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0 = -3x² + 204x + 1575

0 = x² − 68x − 525

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x = -7 or 75

Since x can't be negative, x = 75.

Therefore, the revenue is a maximum when 75 thousand units are produced.

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26

Step-by-step explanation:

7 0
2 years ago
Y=x^2 -9x at x = 4 Find an equation of the tangent an an equation of the normal
Montano1993 [528]

The tangent line to <em>y</em> = <em>f(x)</em> at a point (<em>a</em>, <em>f(a)</em> ) has slope d<em>y</em>/d<em>x</em> at <em>x</em> = <em>a</em>. So first compute the derivative:

<em>y</em> = <em>x</em>² - 9<em>x</em>   →   d<em>y</em>/d<em>x</em> = 2<em>x</em> - 9

When <em>x</em> = 4, the function takes on a value of

<em>y</em> = 4² - 9•4 = -20

and the derivative is

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Then use the point-slope formula to get the equation of the tangent line:

<em>y</em> - (-20) = -1 (<em>x</em> - 4)

<em>y</em> + 20 = -<em>x</em> + 4

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The normal line is perpendicular to the tangent, so its slope is -1/(-1) = 1. It passes through the same point, so its equation is

<em>y</em> - (-20) = 1 (<em>x</em> - 4)

<em>y</em> + 20 = <em>x</em> - 4

<em>y</em> = <em>x</em> - 24

3 0
2 years ago
Val buys a computer for $850. If this is 130% of what the store paid for the same computer, how much did the store earn on the s
ioda
$255 because you do 130% over 100% = x over 850, than you do 130 times 850 divided by 100 and you get 1105, than you do 1105 minus 850 and you get $255
5 0
2 years ago
Read 2 more answers
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