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Korolek [52]
3 years ago
8

Please help! this one keeps getting me.

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
3 0

Answer:

C.  √16,200 feet

Step-by-step explanation:

According to Pythagorean theorem

c^2 = a^2 + b^2

Home First and Third is formed a right triangle with 2 equal sides = 90 ft

so

c^2 = 90^2 + 90^2

c^2 = 8100 + 8100

c^2 = 16,200

c = √16,200

Answer

C.  √16,200 feet

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Answer:

14

Step-by-step explanation:

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2 years ago
A unit of electricity costs 13.2 pence. On average, tanya uses 90 units of electricity per week. She pays for her bill in 12 wee
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Her electricity bill will be of 14256 pence.

<em><u>Explanation</u></em>

On average, Tanya uses 90 units of electricity per week.

So, the <u>total units of electricity in 12 weeks</u> will be: (90*12)=1080 units

One unit of electricity costs 13.2 pence.

Thus, <u>the total cost for 1080 units</u> will be:  (13.2*1080)pence= 14256 pence.

So, her electricity bill will be of 14256 pence.

7 0
2 years ago
Read 2 more answers
This is the graph of y = sin(x). Does anyone know the second part?
Alborosie

Answer:

The resulting graph is y = 5\cdot \sin x.

Step-by-step explanation:

The resulting function is of the form:

y = A\cdot \sin x + k

Where:

x - Independent variable, dimensionless.

y - Dependent variable, dimensionless.

A - Amplitude, dimensionless.

k - Midpoint value, dimensionless.

The sine function is bounded, between -1 and 1, and must be multiplied by a stretch factor. That is: A > 0. According to the graph, the function is bounded between 5 (y_{max}) and -5 (y_{min}), and the midpoint value (k) is 0. The amplitude is determined by the following calculation:

A = \frac{y_{max}-y_{min}}{2}

If y_{min} = -5 and y_{max} = 5, then:

A = 5

The resulting graph is y = 5\cdot \sin x.

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2 years ago
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