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3 years ago

Solve the equation 4/9y=8/3

Mathematics

1 answer:

ahrayia [7]3 years ago

3 0

Multiply by 9/4 to get y=6.

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Find a parametrization of the line in which the planes x + y + z = -6 and y + z = -8 intersect.

rewona [7]

Answer:

L(x,y) = (2,-8,0) + (0,-1,1)*t

Step-by-step explanation:

for the planes

x + y + z = -6 and y + z = -8

the intersection can be found subtracting the equation of the planes

x + y + z - ( y + z ) = -6 - (-8)

x= 2

therefore

x=2

z=z

y= -8 - z

using z as parameter t and the point (2,-8,0) as reference point , then

x= 2

y= -8 - t

z= 0 + t

another way of writing it is

L(x,y) = (2,-8,0) + (0,-1,1)*t

6 0

3 years ago

What is the coefficient for 5x + 3 = 18

erik [133]

Answer: 5

Step-by-step explanation: Let's go over a little algebra terminology.

The number in front of your variable is called your coefficient and a variable is just a letter that represents any number.

So here, your coefficient is 5 since it appears in front of the variable, x.

8 0

3 years ago

Read 2 more answers

If g(x) = 1 - ¾ x find: -5g(4) - 1

cricket20 [7]

Answer:

-5g(4) - 1 is 9

Step-by-step explanation:

$g(x) = 1 - \frac{3}{4} x$

when x is 4:

$g(4) = 1 - \frac{3}{4} \times 4 \\ = 1 - 3 \\ = - 2$

therefore:

$- 5g(4) - 1 = - 5( - 2) - 1 \\ = 10 - 1 \\ = 9$

5 0

2 years ago

Read 2 more answers

Please help me!!!!!!!!!!

kirill [66]

I think the answer may be D. You can graph the points and draw a line through the points to see what other points are intersected by the line.

5 0

3 years ago

Find a number which is when added to its square the sum will be 72

34kurt

Answer:

Step-by-step explanation:

8 + 8 x 8 = 8 + 64 = 72

Hope that helps!

8 0

2 years ago