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Advocard [28]
2 years ago
14

If x ≥ 0, then x + |x| = ?

Mathematics
1 answer:
oee [108]2 years ago
8 0

Answer:

x + |x| = 2x

Step-by-step explanation:

if the number is more than 0 or greater, then if you add it to itself, it will be equal to the value of two of the previous number. Hope this helps

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Annie brought nickels, dimes and quarters to the store. If she has at least one of every coin, they add up to $1.00, and Annie h
mojhsa [17]
She has 1 quarter, 1 dime and 13 nickels. So the probability that one coin at random is a nickel is 13/15.

My work:

1$= 100

1 quarter=25

1 dime=10

1+1+13= 15

25×1= 25

10×1= 10

5×13= 65

65+25+10= 100
5 0
2 years ago
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Which is a counterexample for the following statement?
lakkis [162]

Answer:

2 and 8

1 and 3

Step-by-step explanation:

statement a+b < a*b

-2 + -8 < -2 * -8 => -10 < 16 TRUE

-1 + -3 < -1 * -3 => -4 < 3 TRUE

1+3 < 1*3 => 4 < 3 FALSE

2 + 8 < 2 * 8 => 10 < 16 FALSE

4 0
3 years ago
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Andrew goes biking every morning. The number of calories he burns during the bike ride depends on the distance he bikes.
Elza [17]

Answer:

C hope this helps :)

Step-by-step explanation:

4 0
2 years ago
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One number is 6 more than a second number, the sum of the two numbers is 330. what are the numbers?
maksim [4K]

Let's have the first number, the larger number, be <em>x</em>.  We'll have the second, smaller number be <em>y</em>.

We know that x = y + 6, since x is 6 greater than y.

We also know that 330 = x + y.

Because x = y + 6, 330 = y + 6 + y, which simplifies to 330 = 2y + 6.

Now all we need to do is simplify the equation.  First, we subtract 6 from both sides:

330 - 6 = 324

2y + 6 - 6 = 2y.

So we have 324 = 2y.  Then we divide both sides by 2 to get:

162 = y

Plug in y = 162 into the equation x = y + 6 to get:

x = 162 + 6

x = 168

Let's check to make sure our answer is right.  168 is 6 more than 162.  162 + 168 equals 330.  So our two numbers are 168 and 162.

7 0
3 years ago
Please help and I suck at doing assignment with quadratic functions-
bogdanovich [222]

Answer:

i think its the vertex

Step-by-step explanation:

5 0
2 years ago
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