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icang [17]
3 years ago
11

Help with 14# plz!!!

Mathematics
2 answers:
Serjik [45]3 years ago
8 0
15x - 6 = 9(x + 2)
15x - 6 = 9x + 18
15x - 9x = 18 + 6
6x = 24
x = 4
never [62]3 years ago
7 0
15x - 6 = -9
9(x+2) = 9x+2=11x
9+11x=19x 
Right???

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Perform the following operation. Reduce if possible<br> X/9+y + 9+y/x
Flura [38]

This is the answer for this question

5 0
3 years ago
PLEASEEEEEE HELPPPPPPPPP!!!!!!!!!!!!!!!!! ON ASSESSMENTTTT PRACTICEEEE ITS VERY URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Find the co
adelina 88 [10]

In order to determine the vertex of the given functions, consider that the general form of a quadrati function is:

y = ax² + bx + c

The value of x for the vertex is given by:

x = -b/2a

The value for y, based on the previous values of x, is the y value of the vertex. Use the previous expression to find the vertices:

1. y = x² + 8x - 6

x = -8/2(1) = -4

y(-4) = (-4)² + 8(-4) - 6 = 16 - 32 - 6 = -22

Hence, the vertex is (-4,-22)

2. y = -4x² - 24x - 5

x = -(-24)/2(-4) = -6

y(-6) = -4(-6)² - 24(-6) - 6 = -144 + 144 - 6 = -6

Hence, the vertex is (-6,-6)

3. y = 2x² - 3x + 7

x = -(-3)/2(2) = 3/4 = 0.75

y(3/4) = 2(3/4)² - 3(3/4) + 7 = 18/16 - 9/4 + 7 =5.875

Hence, the vertex is (0.75 , 5.875)

4. y = -x² + 5x - 6

x = -5/2(-1) = 5/2 = 2.5

y(5/2) = -(5/2)² + 5(5/2) - 6 = 0.25

Hence, the vertex is (2.5 , 0.25)

5. y = 1/2 x² + 6x - 5

x = - 6/(2(1/2)) = -6

y(-6) = 1/2 (-6)² + 6(-6) - 5 = -23

Hence, the vertex is (-6 , -23)

6. y = 4x² + 7

x = -0/2(4) = 0

y(0) = 4(0) + 7 = 7

Hence, the vertex is (0 , 7)

8 0
1 year ago
N/1.6 = 5 what does n equal
FinnZ [79.3K]
N= 8
b/c if u do it backwards 5*1.6=8- you get 8
and to check 8/1.6=5

so n= 5
hope this helps
6 0
3 years ago
You need a loan for $1000, and you can take this loan out with Company A or Company B. Company A charges an 8% interest rate and
Wittaler [7]

Answer: Company b

Step-by-step explanation:

because company B is only 5percent it is better and can pay in 8 years

5 0
3 years ago
Suppose you invest $10,410 in equipment to manufacture a new board game. Each game costs $2.65 to manufacture and sells for $20.
leva [86]
Let x= number of board games 
<span>20x=10410+2.65x </span>
<span>-2.65 -2.65 </span>
<span>17.35x=10410 </span>
<span>/17.35 /17.35 </span>
<span>x=600 </span>
<span>You would need to sell at least 600 board games to break even</span>
3 0
3 years ago
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