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Olin [163]
2 years ago
11

I neeeeeeed help plz

Mathematics
1 answer:
yaroslaw [1]2 years ago
8 0

Answer:

i have the same question some one help

Step-by-step explanation:

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Factor completely. 3x^2-3x-18 HINT: Factor out the greatest common factor first.
lubasha [3.4K]

Answer:

3(x - 3)(x + 2)

Step-by-step explanation:

take out a common factor of 3 from each term

= 3(x² - x - 6)

to factor the quadratic consider the factors of - 6 which sum to - 1

These are - 3 and + 2, hence

3x² - 3x - 18 = 3(x - 3)(x + 2) ← in factored form


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3 years ago
Kindly answer the question attached ^-^<br><br>​
4vir4ik [10]

Answer:

=11600/3

=3866.66kg

Step-by-step explanation:

dividing the mass with bricks with the three times of the lorry

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2 years ago
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Luke's Motel rents rooms with 2 beds for $65 and rooms with 1 bed for $56. On a given night Luke's Motel takes in $4836, and twi
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52 double bed rooms were rented, and that means there were 26 single bed rooms rented. 
7 0
3 years ago
7. a hockey arena has 10 920 seats. the first row of seats around the rink has 220 seats. the number of seats in each subsequent
Mazyrski [523]

The number of rows in the arena is 26

<h3>How to determine the number of rows?</h3>

The hockey arena illustrates an arithmetic sequence, and it has the following parameters:

  • First term, a = 220
  • Sum of terms, Sn = 10920
  • Common difference, d = 16

The number of rows (i.e. the number of terms) is calculated using:

S_n = \frac{n}{2}(2a + (n -1) * d)

So,we have:

10920 = \frac{n}{2}(2 * 220 + (n -1) * 16)

Evaluate the terms and factors

21840 = n(440 + 16n -16)

Evaluate the like terms

21840 = n(424+ 16n)

Expand

21840 = 424n + 16n^2

Rewrite as:

16n^2 + 424n - 21840 = 0

Using a graphical tool, we have:

n = 26

Hence, the number of rows in the arena is 26

Read more about arithmetic sequence at:

brainly.com/question/6561461

#SPJ1

4 0
2 years ago
Can u plzzzz help me brainliest​
dmitriy555 [2]
3(4m-2) -2(m+5)
12m -6 -2m -10
10m -16
answer is 10m -16 :)
4 0
2 years ago
Read 2 more answers
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