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irinina [24]
2 years ago
14

What is 6y−12=−3x in standard form?

Mathematics
1 answer:
aalyn [17]2 years ago
5 0
3x + 6y = 12.
In standard form.

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The 21st, 37th and 56th term of an A.P. are consecutive terms of a G.P. Find the common ratio of the G.P.​
mash [69]

just use what you know about this stuff

(a+36d)/(a+20d) = (a+55d)/(a+36d)

(a+36d)^2 = (a+55d)(a+20d)

a^2+72ad+1296d^2 = a^2+75ad+1100d^2

3ad = 196d^2

3a = 196d

That is, for any value of n,

a=196n

d=3n

So, there is no unique solution.

If n=1, then a=196 and d=3. The terms are

196+20*3 = 256

196+36*3 = 304

196+55*3 = 361

304/256 = 361/304

You can easily verify that it works for any value of n.

6 0
3 years ago
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A stack of magazines is 4 2/5 inches high. Each magazine is 2/5 inch thick.
oee [108]

Answer:

Equation:(4 2/5)/2/5=? ; estimate: a

little more than 10 magazines; answer:

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Step-by-step explanation:

7 0
2 years ago
What is 20 7/8 in decimal form
ValentinkaMS [17]

Answer:

20.875

Step-by-step explanation:

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In the context of relationships between variables, increases in the values of one variable are accompanied by increases in the v
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Step-by-step explanation:

The increase of one variable which causes the other variable to increase points to a directly proportional relationship between the two variables. Similarly, the decrease of one variable will cause a decrease in the other variable.

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3 years ago
When a transversal is perpendicular to two parallel lines, all the angles formed measure 90°. Explain why.
kotykmax [81]
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3 years ago
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