All categories

3 years ago

Solve for y; 2x + 3y = 13 (x = 2)

Mathematics

1 answer:

I am Lyosha [343]3 years ago

4 0

Answer:

y=13x^2/3−2x/3

Step-by-step explanation:

the equal sign in this equation is not meant for this type of problem so this is the answer without the equal sign

You might be interested in

Let X denote the day she gets enrolled in her first class and let Y denote the day she gets enrolled in both the classes. What i

abruzzese [7]

Answer:

X is uniformly distributed.

Step-by-step explanation:

Uniform Distribution:

This is the type of distribution where all outcome of a certain event have equal likeliness of occurrence.

Example of Uniform Distribution is - tossing a coin. The probability of getting a head is the same as the probability of getting a tail. The have equal likeliness of occurrence.

6 0

3 years ago

A figure is a quadrilateral if and only if it is a polygon; biconditional true or false

Afina-wow [57]

I think the correct answer is false. A figure is not only a quadrilateral if and only if it is a polygon. A polygon can have three or more sides. A polygon is a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit

8 0

3 years ago

How to find how long it will take a rocket to reach a maximum height

Anton [14]

Answer:

the rocket will reach its maximum height after 4 seconds.

Step-by-step explanation:

The first term ( -4.9(t-4)^2 ) can never be positive, so the maximum height of 80 meters is achieved when t = 4.

5 0

3 years ago

5x – 12y – 17 = 0 1*9(x + 2) - (y + 1) + 3 = 0

valentina_108 [34]

Answer: $x=\frac{12y+17}{5}$

$y=\frac{-5x+17}{-12}$

$x=\frac{y-20}{9}$

y=9x+20

Step-by-step explanation:

5x-12y-17=0 (plus 17 from both sides)

5x-12y=17 (plus 12y from both sides)

5x=12y+17 (divide 5 from everything)

$x=\frac{12y+17}{5}$

5x-12y-17=0 (plus 17 from both sides)

5x-12y=17 (minus 5x from both sides)

-12y=-5x+17 (divide everything by -12)

$y=\frac{-5x+17}{-12}$

1*9(x+2)-(y+1)+3=0 (distribute 9 to x and to 2) (distribute -1 to y and to 1)

1*9x+18-y-1+3=0 (times 9x by 1)

9x+18-y-1+3=0 (combine like terms)

9x-y+20=0 (minus 20 from both sides)

9x-y=-20 (plus y to both sides)

9x=y-20 (divide 9 from both sides)

$x=\frac{y-20}{9}$

1*9(x+2)-(y+1)+3=0 (distribute 9 to x and to 2) (distribute -1 to y and to 1)

1*9x+18-y-1+3=0 (times 9x by 1)

9x+18-y-1+3=0 (combine like terms)

9x-y+20=0 (minus 20 from both sides)

9x-y=-20 (minus 9x from both sides)

-y=-9x-20 (divide -1 from everything)

y=9x+20

3 0

3 years ago

A store pays $399 for a waterheater. The store marks up the price by 42% . What is the amount of the mark-up?

Lelu [443]

Answer:

Step-by-step explanation:

399*42%= 167.58 the mark up amount

399+167.50=566.50 total

3 0

2 years ago