3 years ago

Peter made 3 different stacks of wooden blocks. The first stack was 4 blocks

Mathematics

1 answer:

larisa [96]3 years ago

5 0

Answer:

We can go step by step for this problem by listing out how many blocks for each stack.

Stack 1: 4

Stack 2: 4+9=13

Stack 3: 13+4=17

Now we can sum up the number of blocks in each stack to get 4+13+17=34. The answer is 34.

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Factorise fully x^3-x

MA_775_DIABLO [31]

Answer:

$x(x+1)(x-1)$

Step-by-step explanation:

We see that the two terms share an x, so we can pull that out:

$x^3-x=x(x^2-1)$

Now notice that we have a difference of squares ( $x^2-1$ ). Given a difference of squares, $a^2-b^2$ , this can always be factored into $(a+b)(a-b)$ . We can use this in this case: $x^2-1=(x+1)(x-1)$ .

So, our final factorized form is: $x(x+1)(x-1)$ .

Hope this helps!

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John bought a full 1 liter bottle of soda. He drank half of it. How many milliliters of soda does John have left?

sergejj [24]

Answer:

500 ml

Step-by-step explanation:

1 liter = 1 000 ml

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1000ml - 500 ml = <u>500 ml</u>

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3 years ago

Find x by using the quadratic formula x2 − 0.011x − 0.063 = 0

Effectus [21]

X=0.037

I would recommend using something like Math Papa for future problems like this.

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3 years ago

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A study was conducted to determine if the salaries of firefighters from two neighboring cities were different. A sample of 75 fi

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3 years ago

Need help ASAP thank you !!!!!

andriy [413]

teh answer is B happy to help (:

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