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2 years ago

Can y’all help me solve this. Please!!!!!!!

Mathematics

1 answer:

zhuklara [117]2 years ago

6 0

9514 1404 393

Answer:

all statements are true

Step-by-step explanation:

The line 4y=-16 can be rewritten to standard form as ...

y = -4 . . . . a horizontal line with all points having y-coordinate = -4

The line 3x = 27 can be rewritten to standard form as ...

x = 9 . . . . a vertical line with all points having x-coordinate = 9.

All of the statements about these lines are true.

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HELP!!!!!!!!!!!!!!!!!!

maxonik [38]

Answer:

Concept: Area

Area= (3.14)r^2
Hence 3.14 * 7^2
3.14* 49 =153.86
Divide by 4 for the qualifications
153.86/4= 38.47

7 0

2 years ago

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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

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

So, $z=\dfrac{9-x-2y}{3}=\dfrac{9-3-3}{3}=\dfrac{3}{3}=1$

So, Volume of largest rectangular box would be

$xyz=3\times \dfrac{3}{2}\times 1=\dfrac{9}{2}=4.5$

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

4 0

2 years ago

What is the answer to 5/8-1/2

inessss [21]

5\8-1\2=1\8
answer= 1\8

8 0

2 years ago

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Which of the following is equal to the fraction below?

Crazy boy [7]

Answer:the answer should be c

Step-by-step explanation:So, the 11 is an exponent. That means that the problem can be written as 11 x 7/4 so it should be c.

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2 years ago

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dexar [7]

Answer:

sup

Step-by-step explanation:

sup

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2 years ago