3 years ago

Determine the solution to the system of equations {4x+15y=40

Mathematics

1 answer:

oee [108]3 years ago

8 0

Step-by-step explanation:

4x+15y= 40-5y= 20

= 4x+15y+5y= 40-20

4x+20y= 20

You might be interested in

The area of the top face of a cube is 49cm^3. What is the volume of th cube?

Vlad1618 [11]

Answer:

$V=2401cm^{3}$

Step-by-step explanation:

The fact that the figure is a cube means all sides, faces, and corners are equal.

$V=BHW$

$V=49cm^{2}(W)$

$V=49cm^{2}(49cm)\\ V=2401cm^{3}$

3 0

3 years ago

Solve using the quadratic formula: <br><img src="https://tex.z-dn.net/?f=%20%7B3x%7D%5E%7B2%7D%20%20%2B%202%20%3D%206" id="TexFo

satela [25.4K]

Answer:

x = 2/3, -2/3

Step-by-step explanation:

Solve the equation for x by finding a , b , and c of the quadratic then apply the quadratic formula.

7 0

3 years ago

How far from zero would you move on the x-axis to reach the point (10, 8)?

Vsevolod [243]

Answer:

You would move 10 units to the right from zero on the x-axis.

6 0

3 years ago

Select all the compositions of rigid motions that can be described as a single translation, rotation, or reflection.

vampirchik [111]

Rm° rn ° RP single translation

5 0

3 years ago

ASAP!!! ILL MARK BRAINIEST!!!The expression on the left side of an equation is shown below. 3 x + 9 = box If the equation has no

AleksandrR [38]

Answer:

C. 3x

Step-by-step explanation:

The first two choices give 1 solution each.

The last choice gives an infinite number of solutions.

Choice C. gives no solution.

3x + 9 = 3x

Subtract 3x from both sides.

9 = 0

Since 9 = 0 is false, equation 3x + 9 = 3x has no solution.

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers