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3 years ago

Plz can u answer the questions I have attached

Mathematics

1 answer:

vodomira [7]3 years ago

4 0

Answer:

For the first question it is 2.

2 x 2 = 4

5 x 2 = 10

4 + 10 - 14 = 0

The second question is -2

-2 x -2 = 4

5 x -2 = -10

4 + -10 + 6 = 0

Hope this helps

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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4 years ago

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Step-by-step explanation:

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2 years ago

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Goshia [24]

If your ratio is 1 : 50, then for every 1 ft of the model, you have 50 feet of actual church. Thus, if the model is 3.5 ft, then

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3 years ago

The sum of the first n terms of an arithmetic sequence is 242. If the first term is 12 and the last term is 42, find the value o

den301095 [7]

Answer:

Step-by-step explanation:

Sum of first n terms = 243

$a_{1} = 12 \\\\l = 42\\\\S_{n} = \dfrac{n}{2}(a_{1}+l)\\\\\dfrac{n}{2}(12+42) = 243\\\\\\\dfrac{n}{2}*54=243\\\\\\n*27=243\\\\n=\dfrac{243}{27}\\\\n=9$