3 years ago

The least number to be added to 89 to make it a perfect square is ______.

Mathematics

1 answer:

Neko [114]3 years ago

6 0

Answer: 11

Step-by-step explanation:

The closest square to 89 is 100.

so you have to add 11 to get 100

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The population of a town is increasing at a rate of 6.2% per year. The city council believes they will have to add another eleme

kow [346]

Answer:

The correct solution is "4.6".

Step-by-step explanation:

Given:

Interest rate,

r = 6.2%

or,

= 0.062

Amount,

A = 100000

Principle,

P = 76000

As we know,

⇒ $A=P(1+\frac{r}{100} )^n$

On substituting the values, we get

⇒ $100000=76000(1+\frac{6.2}{100} )^n$

⇒ $(1+0.062)^n=\frac{100}{76}$

On taking log both sides, we get

⇒ $n \ log_e(1.062)=log_e(\frac{100}{76} )$

⇒ $n=\frac{ln(\frac{100}{76} )}{ln(1.062)}$

By putting the values of log, we get

⇒ $=4.5622$

or,

⇒ $=4.6$

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A number decreased by the sum of the number and seven. what is the algebraic expression?

Aleks04 [339]

The answer would be x-(7+x)

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Zinaida [17]

Answer: The solution to this is <u><em>y=10x-4</em></u>

Step-by-step explanation:

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When the coefficient of x is positive, the line _______.

kkurt [141]

Answer:

C. goes down and to the left

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