3 years ago

Choose they systems of equations

1 answer:

4 0

{ $\frac{x}{3}-\frac{y}{4}=\frac{3}{2}$ $|*12$
{ $2x+y=14$

{ $4x-3y=18$
{ $2x+y=14$ $|*3$

{ $4x-3y=18$
{ $6x+3y=42$
+__________________
$10x=60$

{ $x=6$
{ $2*6+y=14$

{ $x=6$
{ $12+y=14$

{ $x=6$
{ $y=2$

:)

You might be interested in

salma is 1.45 meters tall. at 3p.m she measures the length of a tree's shadow to 29.35 meters. she stands 24.3 meters away from

Sophie [7]

Answer:

23.67

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Hi, I need the are to this question, I just need to show my work btw

Nana76 [90]

What is the question?

6 0

2 years ago

Abes apples orchard plants both green apple trees and red apple trees this planting will include 21 red apple trees and 18 green

Xelga [282]

Answer:

The ratio of green apples to red apples is .

Step-by-step explanation:

Given,

Number of red apples = 21

Number of green apples = 18

We have to find out the ratio of green apples to red apples.

Solution,

For finding the ratio we have to divide the number of green apples to the number of red apples.

So, we can frame the above sentence as;

Ratio = number of green apples/number of red apples

Now substituting the values, we get;

Ratio= 18/21 = 6/7

Hence The ratio of green apples to red apples is . 6/7

4 0

2 years ago

Subtract. Express your answer in lowest terms. 10 5/11 - 4 2/11

Zigmanuir [339]

Answer:

6 3 /11

Step-by-step explanation:

10 5/11 - 4 2/11

since they already have a common denominator

10 5/ 11

- 4 2 /11

-------------

6 3 /11

6 0

3 years ago

Read 2 more answers

An 8 by 19 ft wall has three 4 by 5ft windows. The area of three windows is what percent of the area of the entire wall

sergij07 [2.7K]

Area of the wall = 8 x 19 = 152 ft square
Area of the window = 4 x 5 = 20 ft square
Area of 3 windows = 20 x 3 = 60 ft square
The percent area of 3 windows from area of the wall = 60/152 or approximately .395 or 39.5%

6 0

2 years ago