All categories

3 years ago

1x + 1y= 2 , -3x + 4y= 15using solving of elimination

1 answer:

swat323 years ago

7 0

1) 1x + 1y = 2

x + 1 × y = 2

x + y = 2

2) -3x + 4y = 15

- 3 х = 1 5 - 4 у

х = 15-4y/3

I hope helped ^-^

You might be interested in

Please help. Attached as an image

Triss [41]

Distance formula ds = v(dx² + dy²) s = ? v(1 + (dy/dx)²) dx ......... s = the arc length y = 171 - x²/45

chegg

someone solved it on this

https://youtu.be/UGjXlMVdZvc

4 0

2 years ago

What is the value of x and y?

omeli [17]

Answer:

y=70 x=20

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below: Baseball Scores Sco

nlexa [21]

Answer:

4.06

Step-by-step explanation:

Given :

Scores Number of students

0 1

1 2

2 5

3 3

4 6

5 7

6 9

To Find: Mean

Solution:

Mean = $\frac{\text{Sum of all scores}}{\text{number of students}}$

Mean = $\frac{0 \times 1+1\times 2+2\times 5+3\times 3+4\times 6+5\times 7+6\times 9}{1+2+5+3+6+7+9}$

Mean = $\frac{134}{33}$

Mean = $4.06$

Hence, The Mean of baseball score is 4.06 .

4 0

3 years ago

Read 2 more answers

13. How are squares and triangles the same? How are they different?

nignag [31]

Answer:

Squares and triangles are both polygons and right triangles and squares both have at least one right angle. They are different because squares have 4 sides and triangles have 3. Also, triangle have a total of 180 degrees while squares have a total of 360 degrees.

Hope this helped you! I would appreciate a Brainliest if this helped! Have a good day!

4 0

2 years ago

What is the expanded form of the number 34.576?

Alik [6]

Answer:

34.576 = 30 + 4 + 0.5 + 0.07 + 0.006

4 0

1 year ago

Read 2 more answers