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Alexxx [7]
3 years ago
15

Fatima evaluated the expression StartFraction 4 m Superscript negative 3 Baseline n Superscript negative 2 Baseline Over m Super

script negative 1 Baseline n EndFraction, when m = negative 2 and n = 4. Her work is shown below. StartFraction 4 m Superscript negative 3 Baseline n Superscript negative 2 Baseline Over m Superscript negative 1 Baseline n EndFraction = 4 m Superscript negative 2 Baseline n Superscript negative 3 Baseline = 4 (negative 2) Superscript negative 2 Baseline (4) Superscript negative 3 Baseline = StartFraction 1 Over 64 EndFraction times StartFraction 1 Over 64 EndFraction = StartFraction 1 Over 4,096 EndFraction What was Fatima’s error?
Mathematics
2 answers:
makkiz [27]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Marysya12 [62]3 years ago
7 0

Answer:

She applied the exponent Negative 2 to 4 (negative 2) instead of applying the exponent to just Negative 2.

Step-by-step explanation:

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A Warming Liquid - A liquid is taken out of a refrigerator and placed in a warmer room, where its temperature, in F, increases o
IRISSAK [1]

Answer:

The temperature at the start is 35F

The temperature of the room is 74F

<em></em>

Step-by-step explanation:

Given

T(m) = 74 - 39(0.87)^m

Solving (a): The temperature at the start.

To do this, we set: m = 0

So, we have:

T(0) = 74 - 39(0.87)^0

T(0) = 74 - 39*1

T(0) = 74 - 39

T(0) = 35

<em>Hence, the temperature at the start is 35F</em>

<em></em>

Solving (b): The room temperature

We have:

T(m) = 74 - 39(0.87)^m

To get the temperature of the room, we simply remove the exponential function.

So, we have:

Initial = 74

<em>Hence, the temperature of the room is 74F</em>

8 0
2 years ago
During a film festival, the first film ticket is priced at 16 dollars, and each additional ticket is 11 dollars. If rico spend 7
MrMuchimi

Answer:

He purchases a total of 6 tickets:  $16 for the first and $5 each for 5 more tickets.

Step-by-step explanation:

Here we need an equation with a constant term and a variable term:

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Subtracting $16 from both sides, we get

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Dividing both sides by ($11/ticket)

results in

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3 years ago
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Answer:

When n = 0

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n - 1 + 1 = 0

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2 years ago
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