3 years ago

A formula is an equation that disproves a rule for a relationship among quantities. A.)True B.) False

Mathematics

1 answer:

SVEN [57.7K]3 years ago

5 0

False. It proves that a rule is true.

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Find three consecutive integers such that the sum of twice the second integer and 4 times the third integer is two less than sev

valentinak56 [21]

Answer:

12,13 and 14

Step-by-step explanation:

Let the three consecutive integers be n, n+1 and n+2

ATQ,

The sum of twice the second integer and 4 times the third integer is two less than seven times the first integer.

[2(n+1)+4(n+2)] = 7n-2

2n+2+4n+8=7n-2

Taking like terms together,

6n-7n = -2-8-2

n = 12

So,

First integer = 12

Second integer = 12+1 = 13

Third integer = 12+2 = 14

Hence, three consecutive integers are 12,13 and 14.

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Kiran's age = x

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Also,

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Now,

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3x = 54 - 8

3x = 46

x = 46/3

x = 15.33

x = 15 (rounded)

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