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Minchanka [31]
4 years ago
11

Given the vectors a and b, with lengths 21 and 44 respectively, and cosine of the angle between them equal to StartFraction 7 Ov

er 12 EndFraction, find the scalar projection of a onto b and a · b.
ab =

a · b =

Mathematics
1 answer:
Liono4ka [1.6K]4 years ago
7 0

Answer:

ab= 49/4

a•b =539

Step-by-step explanation:

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Melissa bought 3 loaves of freshly baked bread at a specialty bread shop. She paid twice as much for the whole grain bread as fo
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Answer:

The equations which describe this situation are:

C.  f + (2f) + (2f + 2.50) = 11.25

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Step-by-step explanation:

Here, the number of loaves of bread purchased = 3

The price of a loaf of French bread = f

The price of whole grain bread = 2 x ( Price of the french bread)

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The price of cinnamon raisin bread

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Also, the total price paid for the 3 loaves of bread  = $11.25

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or, f + (2f) + (2f + 2.50) = 11.25

or, 5 f  = 11. 25  - 2.50 = 8.75

or,  5 f  = 8 . 75

Hence the equations which describe this situation are:

C.  f + (2f) + (2f + 2.50) = 11.25

E.  5 f =  8.75

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4 years ago
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