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Vlada [557]
3 years ago
6

Help plz I don't understand at all

Mathematics
1 answer:
Levart [38]3 years ago
6 0
What does it say 3.5 or 3.50
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Coefficient of x^2 in the expansion of (x-3)^3
Mila [183]

Answer:

-9

Step-by-step explanation:

(x-3)(x-3)(x-3)

(x^2-6x+9)(x-3)

x^3-9x^2+27x-27

Therefore, the coefficient of x^2 is -9.

7 0
3 years ago
Read 2 more answers
Rewrite this decimal 4.5 as a mixed fraction in its lowest term. ​
Crazy boy [7]

Answer:

4.5=4 and 1/2

Step-by-step explanation:

4 0
2 years ago
Whats 1 and 2/3 + 1 and 5/6​
Dima020 [189]
1 2/3 + 1 5/6

We’ll start by converting the 2/3 to 6ths so we have a common denominator.

Look at the denominator first. 3 x 2 is 6, so we need to multiply the numerator by 2 as well. 2/3 = 4/6.

So we have 1 4/6 + 1 5/6 = 2 9/6
But you know they’ll want you to reduce that so it’s 3 3/6...or 3 1/2.

Let me know where you have questions.
7 0
3 years ago
Read 2 more answers
Slove the quadratic by factoring <br><br>x²-3x-16=-6​
creativ13 [48]

Answer:

x^(2)-3x-16=7x

Step-by-step explanation:

3 0
3 years ago
Find the decimal equivalent of -12/5 and 6 1/2
Flura [38]

Answer:

-12/5 = -1 2/5 = -1.4 and 6 1/2 = 13/2 = 6.5

Step-by-step explanation:

4 0
2 years ago
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