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mart [117]
3 years ago
7

The teacher marked Silvano's problem wrong on his test.

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0
I͟ h͟a͟v͟e͟ n͟o͟ i͟d͟e͟a͟ w͟h͟a͟t͟ h͟e͟ d͟i͟d͟ w͟r͟o͟n͟g͟ b͟e͟c͟a͟u͟s͟e͟ I͟ d͟o͟n͟'t͟ k͟n͟o͟w͟ t͟h͟e͟ o͟r͟i͟g͟i͟n͟a͟l͟ p͟r͟o͟b͟l͟e͟m͟.
B͟u͟t͟, f͟r͟o͟m͟ w͟h͟a͟t͟ I͟ c͟a͟n͟ s͟e͟e͟,

(4^5)^4= 4^5•4

=>4^20

W͟o͟u͟l͟d͟ b͟e͟ t͟h͟e͟ c͟o͟r͟r͟e͟c͟t͟ a͟n͟s͟w͟e͟r͟.

N͟o͟w͟, I͟ c͟a͟n͟ s͟e͟e͟ S͟i͟l͟v͟a͟n͟o͟ d͟o͟i͟n͟g͟ t͟h͟i͟s,

(4^5)^4=4^5+4

=>4^9

B͟u͟t͟, w͟h͟e͟n͟ a͟ p͟r͟o͟b͟l͟e͟m͟ i͟s͟ p͟u͟t͟ i͟n͟ p͟a͟r͟e͟n͟t͟h͟e͟s͟e͟s͟,
t͟h͟e͟n͟ r͟a͟i͟s͟e͟d͟ t͟o͟ t͟h͟e͟͟ p͟o͟w͟e͟r͟ o͟f͟ a͟ n͟u͟m͟b͟e͟r͟,
M͟U͟L͟T͟I͟P͟L͟Y͟ t͟h͟e͟ e͟x͟p͟o͟n͟e͟n͟t͟s͟ t͟o͟g͟e͟t͟h͟e͟r͟.


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D)

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On a coordinate plane, two parabolas open up. The solid-line parabola, labeled f of x, goes through (negative 2, 4), has a verte
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Answer:

Option 4.

Step-by-step explanation:

The vertex form of a parabola is

g(x)=a(x-h)^2+k                    ... (1)

where, a is a constant (h,k) is vertex.

The given function is

f(x)=x^2

The vertex of the function is (0,0) and it goes through (-2, 4) and (2, 4).

It is given that the vertex of function g(x) is at (5,2).

Substitute h=5 and k=2 in equation.

g(x)=a(x-5)^2+2

g(x) is passes through (3, 6).

6=a(3-5)^2+2             .... (2)

6-2=4a

4=4a

Divide both sides by 4.

a=1

Substitute a=1 in equation (2).

g(x)=1(x-5)^2+2

g(x)=(x-5)^2+2

The function g(x) is g(x)=(x-5)^2+2.

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3 0
2 years ago
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What's 57/100 + 3/10​
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Answer:

Step-by-step explanation:

57/100 + 3/10

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L*W=A divided by 2

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