Review the function equation below. y = −9x + 3 Enter the slope of the function in the box.
1 answer:
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Answer:
Step-by-step explanation:
Given A = 5i + 11j – 2k and B = 4i + 7k, the vector projection of B unto a is expressed as
b.a = (5i + 11j – 2k)*( 4i + 0j + 7k)
note that i.i = j.j = k.k =1
b.a = 5(4)+11(0)-2(7)
b.a = 20-14
b.a = 6
||a|| = √5²+11²+(-2)²
||a|| = √25+121+4
||a|| = √130
square both sides
||a||² = (√130)
||a||² = 130
<em>Hence the projection of b unto a is expressed as </em><em></em>
Answer:
The amount we need to invest is 500 muggle money.
Step-by-step explanation:
Amount needle to study at Hogwarts = A = 800 muggle money
Principle amount that we need to invest = P
Duration of investment = T = 5 years
Rate if simple interest = R = 12%
Simple interest = S.I
A = S.I + P
P =
The amount we need to invest is 500 muggle money.