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nadezda [96]
3 years ago
8

Solve x2 − 7x = −12

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0

solve for x what does x quale

x2-7x=-12

b)x=6 and x=-2

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B. The school prom committee sold presale tickets for
Ivan

Answer:

218 students purchased tickets at the dance.

Step-by-step explanation:

Let,

x be the number of presale tickets

y be the number of tickets sold at the dance

According to given statement;

x+y=334      Eqn 1

18x+24y=7320    Eqn 2

Multiplying Eqn 1 by 18

18(x+y=334)

18x+18y=6012      Eqn 3

Subtracting Eqn 3 from Eqn 2

(18x+24y)-(18x+18y)=7320-6012

18x+24y-18x-18y=1308

6y=1308

\frac{6y}{6}=\frac{1308}{6}\\y=218

Therefore,

218 students purchased tickets at the dance.

5 0
3 years ago
What is 3 2/5 / 6 plz help!!!
Illusion [34]

Answer:

The answer is 0.56 the 6 is repeating

Step-by-step explanation:

5 0
3 years ago
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The areas of three circles are shown.
matrenka [14]

Answer:

<h2>N, M and P</h2>

Step-by-step explanation:

N = 16.9 ft²

M = 16π/3 = 16.76 ft²

P = 5π = 15.71 ft²

4 0
3 years ago
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For each expression, write an equivalent expression by applying the distributive
Semenov [28]
The answer is 2x-10.

(x-5)2
=(x+-5)(2)
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=2x-10
7 0
3 years ago
( 4 + 2n ^3 ) + ( 5n^3 + 2)
Hoochie [10]

Answer:

7n^3 + 6

Step-by-step explanation:

(4 + 2n^3) + (5n^3 + 2) =

= 2n^3 + 5n^3 + 4 + 2

= 7n^3 + 6

5 0
3 years ago
Read 2 more answers
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