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algol [13]
3 years ago
11

Find A X B if A = {a,b} and B = {2,5}.​

Mathematics
2 answers:
Arlecino [84]3 years ago
6 0

Answer:

I am not so sure i think it is 2a+5b something like that

nataly862011 [7]3 years ago
5 0

Answer:

A×B={(a,2),(a,5),(b,2),(b,5)}

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13meters

Step-by-step explanation:

c^2=a^2+b^2

12^2+5^2=169

find squareroot of 169 which is 13meters

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What is the GCF of 18 and 30? A) 2 B) 3 C) 4 D) 6
djyliett [7]

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Step-by-step explanation:

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In an optical fibre, the power drops by a factor of 10 approximately every 30 km. If the transmit power is 0. 35 W, how far will
IgorC [24]

Answer:

  • 30000 km

Step-by-step explanation:

First convert the transmit power into μW, considering 1 W = 1000000 μW:

  • 0.35 W = 0.35*1000000 μW = 350000 μW

Find how many factors of 10 the power dropped:

  • 350000 / 350 = 1000

Find the distance:

  • 1000*30 km = 30000 km
4 0
3 years ago
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
ivolga24 [154]

<u>Answer:</u>

<h2>A = 15 u²</h2>

<u>Explanation:</u>

according to the coordinates the triangles is right at the pair (2, -3)

the area of the triangle = height × base × 1/2

the <u>height</u> is the line passing through the pairs (-1, 6) and (2, -3)

h² = (2-(-1))²+(-3-6)²

h² = 3² + (-9)²

h² = 9 + 81

h² = 90

h = √90

the <u>base</u> is the line passing through the pairs (5, -2) and (2, -3)

b² = (2-5)²+(-3-(-2))²

b² = 3² + (-3+2)²

b² = 9 + 1

b² = 10

b = √10

A = h×b×1/2

A = √90×√10×1/2

A = √900×1/2

A = 30×1/2

A = 15 u²

5 0
3 years ago
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