All categories

3 years ago

20x-8y=-5 10x-4y=-4 Can someone please solve this

1 answer:

7 0

No Solution

When you do the substitution method, you would have the x and y variables equal to zero. In systems of equations, the equations are equal with each other.

20x-8y=-5
10x-4y=-4

20x-8y=-5
-2(10x-4y=-4)

20x-8y=-5
-20x+8y=8

The 20x and -20x cancel out
The -8y and 8y also cancel out. Thus leaving -5 and 8

According to system of equations, the equations must be equal. Additionally, -5 does not equal to 8.

Therefore, the answer is no solution.

You might be interested in

One quart or one liter? Which is greater?

djverab [1.8K]

1 liter = 1.06 quarts.

This makes the liter greater than a quart.

8 0

4 years ago

Read 2 more answers

Jessica is making punch. She mixes 132 ounces of juice and 15 cups of seltzer. How many 6-ounce glasses can she fill with the pu

maks197457 [2]

Answer:

she can fill 42 6-ounce glasses with the punch mixture

Step-by-step explanation:

1 cup = 8 ounces

15 cups = 120 ounces

132+120 = 252 ounces of punch mixture

252/6 = 42

42 glasses (each glass 6 ounces)

5 0

2 years ago

What is the volume of a cylinder, in cubic centimeters, with a height of 8 centimeters

Arisa [49]

Answer:

1608.5 cm³

Step-by-step explanation:

Use the cylinder volume formula, V = $\pi$ r²h

If the diameter is 16 cm, then the radius is 8 cm.

Plug in the radius and height into the formula, and solve:

V = $\pi$ r²h

V = $\pi$ (8)²(8)

V = $\pi$ (64)(8)

V = 1608.5

So, to the nearest tenth, the volume of the cylinder is 1608.5 cm³

6 0

3 years ago

J − 46 = 44 bro pleass help help help help

Norma-Jean [14]

Answer:

Step-by-step explanation:

Add 46 to both sides to get the value of J, which is 90

~theLocoCoco

3 0

3 years ago

Read 2 more answers

HELPPP

lidiya [134]

Answer:

The area of the rectangle is 4 sq yards.

Step-by-step explanation:

Given that,

The length of the rectangle, $L=\dfrac{2}{13}\ yards$

The breadth of the rectangle, B = 26 yards

We need to find the area of the rectangle. The formula for the area of a rectangle is given by :

A = LB

Put all the values,

$A=\dfrac{2}{13}\times 26\\\\A=2\times 2\\\\A=4\ yd^2$

So, the area of the rectangle is 4 sq yards.

6 0

3 years ago