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rjkz [21]
3 years ago
14

50 pts (and will mark brainliest)

Mathematics
2 answers:
Alex787 [66]3 years ago
6 0

Answer:

c. 21/200

hope I helped!

steposvetlana [31]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

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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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3 years ago
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Step-by-step explanation:

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H(x)=6 a linear function
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A can of soda is placed inside a cooler. As the soda cools, its temperature T(x) in degrees Celsius is given by the following ex
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Answer:

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Step-by-step explanation:

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After 18 minutes (x = 18):

 

T(18) = -22 + 44e-0.03(18) = -21.87°C ≅ -22°C

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3 years ago
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