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Andreyy89
2 years ago
6

Write the trinomial as a square of a binomial or as an expression opposite to a square of a binomial -42a+9a^2+49

Mathematics
1 answer:
Degger [83]2 years ago
6 0

9(a^2+14/3)^2-14/3+49

9(a^2+14/3)^2+7

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Graph the equation F(x)=(1/3)^x
scoray [572]

The value of a=9,b=3 and c=1

Step-by-step explanation:

The graph shown is for function f(x)

The given function is f(x)=(\frac{1}{3}) ^{x}

Table says,

X      Y

-2      a

1        b

0       c

1     (1/3)

2    (1/9)

To find value of a:

From table, for output value a, input value, x=(-2)

we can write f(-2)=a

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(-2)=(\frac{1}{3}) ^{(-2)}

a=(\frac{1}{3^{(-2)}})

a=3^{(2)}

a=9

To find value of b:

From table, for output value a, input value, x=(-1)

we can write f(-1)=b

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(-1)=(\frac{1}{3}) ^{(-1)}

b=(\frac{1}{3^{(-1)}})

b=3^{(1)}

b=3

To find value of c:

From table, for output value a, input value, x=(0)

we can write f(0)=c

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(0)=(\frac{1}{3}) ^{(0)}

c=(\frac{1}{3^{(0)}})

c=1

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You arrive in Paris with $560. How many euros can you buy?
liq [111]

Answer:

475.69 Euro

Step-by-step explanation:

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2 years ago
A company models its net income, in thousands of dollars, with
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Answer:

-15

Step-by-step explanation:

0)(2)+(2)(0)−15

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3 years ago
ΔABC is reflected across the x-axis and then translated 4 units up to create ΔA′B′C′. What are the coordinates of the vertices o
Vera_Pavlovna [14]

Answer:

A) (-3, 3) B) (-1, 1) C) (-2, 3)

Step-by-step explanation:

3 0
3 years ago
Plz help me with this
olga55 [171]
Standard form: 2,000,947
Expanded form: 2,000,000+900+40+7
Word form: Two million nine hundred forty-seven
5 0
2 years ago
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