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vovikov84 [41]
3 years ago
6

I'm doing some maths homework and need some help. It's Pythagorean

Mathematics
2 answers:
VikaD [51]3 years ago
8 0

Answer:

Step-by-step explanation:

Rainbow [258]3 years ago
6 0
What is the question? Pythagorean is not too hard. a^2 + b^2 = c^2
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Which of the following is the most appropriate unit to describe the rate at which a person reads?
koban [17]

Answer:

C. Words per minute, because the independent quantity is the minutes.

Step-by-step explanation:

The speed will be measured in words per minute as the number of words a person can read in a minute are counted.

The independent quantities are those quantities which are controlled during the measurement while the dependent quantities change depending on the independent quantities. While measuring the reading speed of a person minute is controlled while the number of words are counted in a minute. So minute is the independent quantity.

7 0
4 years ago
The function f(x)=-(x-3)^2 +9 can be used to represent the area of a rectangle with the perimeter of 12 units, as a function of
Ivenika [448]

Maximum area of the rectangle is 9cm^{2}

<u>Explanation:</u>

<u></u>

Considering the dimensions to be in cm

f(x) = -(x-3)^{2} +9\\f(x) = -(x^{2} +9 - 6x)+9\\f(x) = -x^{2} +6x\\f'(x) = -2x+6\\-2x+6 = 0\\2x=6\\x=3cm\\\\

Putting the value of x = 3

Perimeter = 2(x+b)\\12 = 2(3+b)\\6 = 3+b\\b= 3cm

Area of rectangle = x X b\\                              = 3 X 3\\                              = 9cm^{2}

Therefore, maximum area of the rectangle is 9cm^{2}

7 0
3 years ago
Plzzz help as soon as possible
Anika [276]

Answer:

Step-by-step explanation:

8 is not a function

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4 0
3 years ago
What is the price of a $600 bike 15% off
OLga [1]

Answer:

price of bike is $ 240at 15%off

Step-by-step explanation:

=1600×15/100

=240

7 0
3 years ago
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What is the slope of the line shown below? (-2,-3) (-4,-9)
gogolik [260]

Answer:

Slope = 3

Step-by-step explanation:

Slope = (y2-y1)/(x2 - x1)

In this case,

Slope = (-9 + 3) / (-4 + 2)

= -6/-2

= 3

8 0
3 years ago
Read 2 more answers
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