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Luden [163]
3 years ago
6

Is the equation conditional, an identity, or a contradiction? y - 11 + 3y = 6y + 4

Mathematics
1 answer:
ipn [44]3 years ago
8 0

Answer:

The equation is a conditional.

y = 7.5

Step-by-step explanation:

y - 11 + 3y = 6y + 4

4y - 11 = 6y + 4

4y - 4y - 11 = 6y - 4y + 4

- 11 = 2y + 4

- 11 - 4 = 2y + 4 - 4

2y = - 15

2y ÷ 2 = - 15 ÷ 2

y = - 7.5

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Find a ⋅ b. a = 9i + 5j, b = 4i + 3j
amm1812
ANSWER

a.b = 51


EXPLANATION


The given vectors are:


a = 9i + 5j
and

b = 4i + 3j


To find the dot product of the two vectors, we multiply the corresponding components and add them.


a.b = 9 \times 4 + 5 \times 3


This implies that,

a.b = 36+ 15


a.b = 51


Therefore the dot product of the two vectors is 51.


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List and descripe the steps you would use to model 7/10_4/10
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