Vector vector a has a magnitude of 28 units and points in the positive y-direction. When vector vector b is added to vector a ,
the resultant vector vector a + vector b points in the negative y-direction with a magnitude of 12 units. Find the magnitude of vector b ?
1 answer:
28 + vector b = -12
vector b = -40
vector b has magnitude 40 units in the negative y direction.
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Given:
- The area of a rectangular painting is 7719 cm²
- Width of painting = 83cm
To Find?
Solution:
- Let length of painting be x cm
Using formula:
- Area of rectangle = L × B
Where,
- Length = x cm
- Breadth = 73 cm
→ 7719 = x × 83
→ x = 7719/83
→ x = 93 cm
Hence,
- Length of painting is 93cm
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after two years growing: 5ft
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not sure if this is right, but hope it helps
When X = -9 Y = 1 you can find this by going to -9 on the x axis and finding where the line is there
