Try using Photomath for these types of problems
Answer: B (The cost of a notebook is $0.75, and the cost of a folder is $0.25.)
Step-by-step explanation:
No need for explanation. i know i’m right!!
Think of the given points as endpoints of vectors.
The point (3, 1) is the terminus of the vector 3 i + j.
The point (-4, 2) is the terminus of -4 i + 2 j.
By the "triangle rule" for vector summation, the vector starting at (3, 1) and ending at (-4, 2) is the difference between these two vectors.
(-4 i + 2j) - (3i + j) = -7 i + j
40 out of 250 students speak French: 40 / 250 = 0.16
Multiply the number of students surveyed by 0.16:
30 x 0.16 = 4.8
Round up to 5 students.
Answer 5 students
The answer is 64. You don’t know x so you need to take the two and multiply 8. 8 times 8 equals 64
