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Oksana_A [137]
3 years ago
9

Ms. Marvin is buying pencils for her class. she has a total of 22 students, and she wants to give each student 2 pencils. pencil

s come in packs of 12. how many packs will she need to purchase to have enough?​
Mathematics
1 answer:
dimaraw [331]3 years ago
7 0

Answer:

4

Step-by-step explanation:

first 22x2=44

44÷12= 3 2/3

round up= 4

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The 3rd term of (a-b)4 is
fgiga [73]

The third term of the expansion is 6a^2b^2

<h3>How to determine the third term of the expansion?</h3>

The binomial term is given as

(a - b)^4

The r-th term of the expansion is calculated using

r-th term = C(n, r - 1) * x^(n - r + 1) * y^(r - 1)

So, we have

3rd term = C(4, 3 - 1) * (a)^(4 - 3 + 1) * (-b)^(3-1)

Evaluate the sum and the difference

3rd term = C(4, 2) * (a)^2 * (-b)^2

Evaluate the exponents

3rd term = C(4, 2) * a^2b^2

Evaluate the combination expression

3rd term = 6 * a^2b^2

Evaluate the product

3rd term = 6a^2b^2

Hence, the third term of the expansion is 6a^2b^2

Read more about binomial expansion at

brainly.com/question/13602562

#SPJ1

4 0
1 year ago
Find the zeros of x3 +2X^2-23x-60
laila [671]
Hello,

P(x)=x^3+2x²-23x-60
P(-4)=(-4)^3+2*(-4)²-23*(-4)-60=0
P(-3)=(-3)^4+2*(-3)²-23*(-3)-60=0
P(5)=5^3+2*5²-23*5-60=0
Zeros are -4,-3,5


5 0
3 years ago
Help my kid me to my phone I am unfollowing me I don’t wanna be
Agata [3.3K]

Answer:

Alone?

Step-by-step explanation:

Was this a rhyme or a problem? but 833 x 54 = 44,982.

4 0
3 years ago
In the diagram shown, what is the ratio of shaded parts to unshaded parts?
Elenna [48]
(D) 4 shaded for every 2 unshaded! Hope this helps! :)
3 0
3 years ago
Read 2 more answers
Which of the following shows the Commutative Property of Addition? (4 + 3) + x = (3 + 4) + x ab = ba r + (s + t) = (r + s) + t n
Novosadov [1.4K]
Commutative says you can add or multiply in any order

basically goes like this
a+b=b+a or
ab=ba

so what we need is something where the order change, nothing else
first one: (4+3)+x=(3+4)+x, the order changed, correct

2nd
ab=ba, this is not addition

3rd
r+(s+t)=(r+s)+t this is associative property

4th
n+0=n
this is zero addition property



answer is first one
8 0
3 years ago
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