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Alex17521 [72]
2 years ago
7

7a = 28 Is a=21 a solution? yes or no

Mathematics
2 answers:
bagirrra123 [75]2 years ago
4 0
No, because 7 x 21 is 147.
vovangra [49]2 years ago
3 0

Answer:

No

Step-by-step explanation:

No because if a = 21, then 7 * 21 = 147 and 147 is not 28.

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Write a rule for the nth term of the sequence. Then find a20. Assume the first termis a₁. 86, 79, 72, 65…
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Answer:

an = a(n-1) - 7

Step-by-step explanation:

the second term is smaller than the first term 7.

a20 = a19 - 7

a19 = a18 - 7

=> a20 = (a18 - 7) - 7

Then you can accumalate until a1

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2 years ago
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kobusy [5.1K]

The equation of the line is y - 3 = 5(x - 8) ⇒ c

Step-by-step explanation:

The point-slope form of the linear equation is y-y_{1}=m(x-x_{1}) , where:

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∴ x_{1} = 8 and y_{1} = 3

∵ The slope of the line is 5

∴ m = 5

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∴ y - 3 = 5(x - 8)

The equation of the line is y - 3 = 5(x - 8)

Learn more:

You can learn more about the linear equations in brainly.com/question/1284310

#LearnwithBrainly

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2 years ago
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