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erastova [34]
3 years ago
9

PLEASE HELP! I NEED THIS

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
6 0

Answer:

x² + x - 30

Step-by-step explanation:

Given

(x - 5)(x + 6)

Each term in the second factor is multiplied by each term in the first factor, that is

x(x + 6) - 5(x + 6) ← distribute both parenthesis

x² + 6x - 5x - 30 ← collect like terms

= x² + x - 30

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Nayeli light a 4m² space with 12 candles. Citlali lights a 10m² space with 30 of the same type of candles. Whos space is lit bri
Norma-Jean [14]

Answer:

Both spaces have the same amount of brightness per square meter.

Step-by-step explanation:

Nayeli: 12 candles / 4 square meters is the same as 3 candles per square meter.

Citlali: 30 candles / 10 square meters is the same as 3 candles per square meter.

So both Nayeli's and Citlali's spaces have the same amount of brightness per square meter.

5 0
2 years ago
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A movie theater has a seating capacity of 289. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.
torisob [31]

Answer:

Number of children in theater   = 94

Number of students   = 46

Number of adults in theater= 47

Step-by-step explanation:

Total seating capacity in the theater = 187

Let us assume the number of students in the theater = m

and assume  the number of children in the theater = 2k

So, the number of adults in theater = Half of number of children = 2k/2 = k

⇒ Number of ( Adults + Children + students) = 187

⇒ k  + 2k + m =  187, or 3k + m = 187

Step-by-step explanation:

4 0
3 years ago
Which expression represents 3 more than twice another 2 plus n plus 3
elena55 [62]

Answer:

twice a number n is 2n

plus 3 is + 3

→ twice a number n plus 3 is 2n + 3.

Step-by-step explanation:

4 0
3 years ago
What is the perimeter of a triangle with sides<br> 11 inches, 5 inches, and 12 inches in length?
natulia [17]

Answer: 28 in.

Step-by-step explanation:

3 0
3 years ago
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Jesse takes his dog and cat to the vet. Jesse's dog weights 23 pounds. the vet tell him his cat weights 5/8 as much as the dog.
Svetradugi [14.3K]
5/8 *23=115/8
115/8 can be simplified to 14 and 3/8
The cat weighs 14 and 3/8 pounds
4 0
3 years ago
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