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3 years ago

Solve for x. Round to the nearest tenth if necessary (will give brainliest please help!!!)

Mathematics

1 answer:

Radda [10]3 years ago

5 0

Answer:

41,1 I installed the solution. good work

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What is (13x + 9k) + (17x + 6k), simplified?

Mazyrski [523]

The answer is 15x+30k

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3 years ago

Find the ratio in which the line joining the points (2, 4, 16) and (3, 5, -4) is divided by the plane 2x – 3y+ z+ 6 = 0. Also fi

Nastasia [14]

Answer:

Step-by-step explanation:

let the plane intersects the join of points in the ratio k:1

let (x,y,z) be the point of intersection.

$x=\frac{3k+2}{k+1} \\y=\frac{5k+4}{k+1} \\z=\frac{-4k+16}{k+1} \\\because ~(x,y,z)~lies~on~the~plane.\\2(\frac{3k+2}{k+1} )-3(\frac{5k+4}{k+1} )+\frac{-4k+16}{k+1} +6=0\\multiply~by~k+1\\2(3k+2)-3(5k+4)+(-4k+16)+6(k+1)=0\\6k+4-15k-12-4k+16+6k+6=0\\-7k+14=0\\k=2\\x=\frac{3*2+2}{2+1} =\frac{8}{3} \\y=\frac{5*2+4}{2+1}= \frac{14}{3} \\z=\frac{-4*2+16}{2+1} =\frac{8}{3}$

point of intersection is (8/3,14/3,8/3)

and ratio of division is 2:1

5 0

3 years ago

For what value of the constant c does the above equation have x = 2 as the only solution?

Sladkaya [172]

$the \: answer \: is \: - 41$

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3 years ago

Solve the system x+3=22 2x-y=2

steposvetlana [31]

Hello from MrBillDoesMath!

Answer:

x = 19, y = 36

Discussion:

x + 3 = 22 (*)

2x - y = 2 (**)

Subtract 3 from both sides of (*)

x + 3 -3 = 22 = 3 = 19 =>

x = 19

Substitute x= 19 in (**)

2(19) - y = 2 =>

38 - y = 2 => (add y to both sides)

38 -y + y = 2 + y =>

38 = 2 + y => (subtract 2 from both sides)

38 -2 = 2 -2 + y =>

36 = y

Regards,

MrB

P.S. I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!

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3 years ago

Suppose you deposit $1000 in a college fund that pays paid interest quarterly instead of annually. Find the account balance afte

BartSMP [9]

Answer:

$1,161.18 (assuming if interest rate is 3%)

Step-by-step explanation:

Kindly check the attached picture for explanation

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