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valentinak56 [21]
2 years ago
5

8

Mathematics
1 answer:
FrozenT [24]2 years ago
5 0

Answer:

8x + 4y = - 40

We can divide both sides by 4

2x + y = - 10

3x + y = - 8

If wa substract first one from the other one we have :

2 = x

So y = - 10 - 4 = - 14

OA is correct

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What are the first four terms in the nth term<br> n(2n + 1)
Bingel [31]

Answer:

0

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10

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Explination:

0 x anything is still zero, but I don't know if that counts.

1 (2+1) = 3

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6 0
2 years ago
Help me on 12 and 13 please
posledela

Answer:

12. h=3

13. h=-3

Step-by-step explanation:

12. Recall that -2^{x-h} is a horizontal shift since h is being applied within the operation to the input. This means that h will slide the function left or right. Since the function f has a point at (1,-2) and g has the same point at (4,-2) then the function has moved 3 units 1+3=4 to the right. h=3.

13. Once again, h is a horizontal shift meaning the graphs has moved left or right only. Looking at g it has a point at (-2,2) while f has the same point at (1,2). So the graph f has moved to the left 3 units. This is h=-3 since 1+-3 = -2.

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3 years ago
Solve.<br> y =-2x + 9<br> y =4x-3
sammy [17]

Answer:

X= 2 Y=5

Step-by-step explanation:

Set them equal

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12=6x then divide by 6

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plug in 2 to either equation and solve for Y.

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5 0
2 years ago
Help I need to turn this in 15mins
Assoli18 [71]
9 = 4
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2 years ago
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AleksAgata [21]

Answer:

the answer should me 1.5 grams

Step-by-step explanation:

3 0
2 years ago
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