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3 years ago

Evaluate |a| - |b|, given a = 5, b = -3, and c = -2.

2 answers:

7 0

The absolute value off something is just the distance it is away from zero, so the absolute value of 5 and -3 are 5 and 3. The answer would be 2 be use you are just subtracting 5-3.

yaroslaw [1]3 years ago

6 0

Answer:

The answer is 2.

Step-by-step explanation:

In order to determine the value of the expression, we have to know about absolute value function.

The absolute value function is a function that only change the sign into positive and maintain the values. It is represented by " | x | " where x can be any number.

For example, if $x=-2$

$|x|=|(-2)|=2$

In this case, we have the next values:

$a=5\\b=-3\\\\|a|-|b|\\|5|-|(-3)|\\5-3\\2$

Finally, the value of the expression is 2.

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Simplify (3 + √5 )(2 + √5)<br>need the answer ASAP, WILL GIVE BRAINLIEST

d1i1m1o1n [39]

Answer:

11 + 5√5

Step-by-step explanation:

6 + 3√5 +2√5 + 5

11 + 5√5

root n * root n = n , which is why there is a 5 at the end

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2 years ago

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The population of Town A increases by 5% every year. Its current population is 700,000. Town B, which currently has 550,000 resi

omeli [17]

Answer:

Town A has 139,849 more residents than Town B after 5 years, compared to 150,000 more at the beginning of the 5 years.

Step-by-step explanation:

Town A

y = 700000(1.05)ˣ

Town B

y = 550000(1.065)ˣ

After 5 years:

Town A has 893,397.0938, rounded to 893,397 residents.

Town B has 753,547.6649, rounded to 753,548 residents.

Town A has 139,849 more residents than Town B after 5 years, compared to 150,000 more at the beginning of the 5 years.

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3 years ago

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Colise has 2 vases of flowers that each hold 10 red and 5 yellow roses. Michelle has the same total number of roses but in 3 vas

UNO [17]

Colise : 2 vases...each hold 10 red and 5 yellow.....2(15) = 30 roses total.

Michele also has 30 roses. She has 3 vases...each vase has 6 red roses....6 * 3 = 18 red roses. That leaves 30 - 18 = 12 yellow roses. And I am assuming that each vase has the same number of roses.....in that case, 12/3 = 4 yellow roses per vase

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3 years ago

Which numbers is 50 divisible by 2 , 5 , 10 , 15

meriva

Answer:

2, 5, 10

Step-by-step explanation:

50 divided by 2 = 25

50 divided by 5 = 10

50 divided by 10 = 5

50 divided by 15 = NOT POSSIBLE

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4 years ago

How many solutions does this system of linear equations have? Explain.<br> 1= 2<br> =1+3 2

Neporo4naja [7]

Answer: There are no real solutions.

Step-by-step explanation:

We have the equation:

x = y^2

y = x + 3/2

To solve this, we can start by noticing that x is already isolated in the first equation, then we can replace it in the second equation to get:

y = y^2 + 3/2

And now we can rewrite this as:

y^2 - y + 3/2 = 0

This is a quadratic equation, and the solutions can be calculated with Bhaskara's equation, the solutions are:

$y = \frac{-(-1) +- \sqrt{(-1)^2 - 4*3/2*1} }{2*1} = \frac{1 + \sqrt{-5} }{2}$

We have a negative number inside the square root, this means that the solutions are complex numbers.

Then we can conclude that the system of equations has no real solutions.

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3 years ago