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patriot [66]
3 years ago
14

TRUE OR FALSE: if two numbers are mutiples of 11, then their sum is a mutiple of 11

Mathematics
2 answers:
EleoNora [17]3 years ago
7 0
FALSE
only 1 times 11 makes 11
if you add it that makes 12
:)
bekas [8.4K]3 years ago
6 0

Answer:

False

Step-by-step explanation:

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Miss Chambers bought 5 pens for $255, if she made a profit of $3 each per pen how much did she sell a pen for?​
Natasha2012 [34]

Answer:

$54

Step-by-step explanation:

First, we calculate the amount she paid for each pen.

$255/5 = $51

She paid $51 for each pen.

She made a profit of $3 per pen, so she sold each pen for $51 + $3 = $54

Answer: $54

6 0
2 years ago
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A parabola intersects the x-axis at x=3 and x=9 what is the x-coordinate of the parabola's vertex?
KiRa [710]

Here we are given the x intercepts at x=3 and x=9

So let us try to make quadratic equation for this using given information.

We have factors in the form (x-a)(x-b)

where a and b are x intercepts given to us.

So rewriting in factored form:

y=(x-3)(x-9)

Now let us simplify it:

y=x^{2}-12x+27

Let us find the vertex now,

For a quadratic equation of the form:

y=ax^{2}+bx+c

For x coordinate , we have the formula,

x=\frac{-b}{2a}

So using this formula for our equation,

x=\frac{-(-12)}{2(1)}

So x = 6

Answer: The x-coordinate of the parabola's vertex is 6.


7 0
3 years ago
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What is the logical form of:
exis [7]
Basically saying u can divide any number by 2 and 3 but not 4
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3 years ago
Solve the equation. 3x + 5 = x - 3
Luden [163]

Answer:

x=-4

Step-by-step explanation:

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2x=-8

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2 years ago
What Is the factors of 46
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