3 years ago

Please answer correctly

Mathematics

2 answers:

leva [86]3 years ago

7 0

what is the question for this?

let me know so i can help!

slamgirl [31]3 years ago

6 0

Answer:

answer correctly definition.

Step-by-step explanation:

When something is correct, it is right or accurate. The correct answer to a problem is the right answer, so if you answered to a problem right, you answered it correctly.

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Whats 6% tax on $320.90

tia_tia [17]

Answer:

The tax itself is $19.25.

Step-by-step explanation:

0.06 * 320.90 = 19.254

If you want the cost + tax, it is 320.90 + 19.25 = 340.15

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3 years ago

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3 years ago

peter went to a store. he bought 5.20 Ibs. of jelly beans and cherries. if 3.24 Ibs. we're jelly beans, how many pounds were che

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Find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in t

Tresset [83]

Answer: The volume of largest rectangular box is 4.5 units.

Step-by-step explanation:

Since we have given that

Volume = $xyz$

with subject to $x+2y+3z=9$

So, let $z=\dfrac{9-x-2y}{3}$

So, Volume becomes,

$V=xyz\\\\V=xy(\dfrac{9-x-2y}{3})\\\\V=\dfrac{9xy-x^2y-2xy^2}{3}$

Partially derivative wrt x and y we get that

$9-2x-2y=0\implies 2x+2y=9\\\\and\\\\9-x-4y=0\implies x+4y=9$

By solving these two equations, we get that

$x=3,y=\dfrac{3}{2}$

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Hence, the volume of largest rectangular box is 4.5 units.

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3 years ago

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