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2 years ago

PLEASEHELP ME 98 POINTS AND BRAINLIEST TO THE FIRST PERSON

Mathematics

1 answer:

agasfer [191]2 years ago

3 0

Answer:

$857 billion

Step-by-step explanation:

Since 2006, the amount of money spent at restaurants in a certain country has increased at a rate of 5% each year. In 2006, about $580 billion was spent at restaurants.

2014-2006=8 so 2014 is 8 years from 2006

If the trend continues, the amount of money spent at restaurant in 2014 will be (1.05)^8 times that of the amount in 2006:

$580*(1.05)^8 = $856.9

About <u>$857</u> billion will be spent at restaurants in 2014 if the trend continues.

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1. $n=\pm7$

2. $x=\pm7i[tex]3.[tex]\pm 12x =a$

4. 22

Step-by-step explanation:

1. $n^2 - 49 = 0$

$n^2 =49$

$n= \sqrt{49}$

$n=\pm7$

2. $x^2+64 = 0$

$x^2 =-64$

$x= \sqrt{49}$

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Where a is the side

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So, $144x^{2}=a^{2}$

$\sqrt{144x^{2}}=a$

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4. We are given that the solution of quadratic equation -9 and 9

So, equation becomes:

$(x+9)(x-9)=0$

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So, in the given equation $x^2 + z = 103$

z should be the number from which if we subtract 103 so we get 81

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Thus the value of z is 22

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