Answer:
3)5x-4y=-3
6x+4y=14
Step-by-step explanation:
The system of equations is given
5x-4y=-3
3x+2y=7
Multiplying both sides of the lower equation by 2, we get
6x + 4y = 14
That means your answer 3)
Answer:
2.40
Step-by-step explanation:
Answer:
190 cm2.
Step-by-step explanation:
First you have to find the area of the whole shape.
20 cm times 10 cm is 200 cm2.
Now, you have to find the area of the smaller shape inside.
5 cm times 2 cm = 10 cm2.
Finally, you subtract the area of the smaller shape from the larger shape to find the area of the shaded area.
200 cm2 - 10 cm2 = 190 cm2.
Answer:
No
Step-by-step explanation:
Because both are equal in magnitude but opposite in sign.