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4 years ago

The Pythagorean Theorem

2 answers:

8 0

The Pythagorean theorem states that for any right angle triangle with legs of length a, b and the hypotenuse of length c, the sum of the squares of the legs equals the a square of hypotenuse. It is represented by the equation.

a^2 + b^2 = c^2

Example:-

3^2 + 4^2 = 5^2

9 + 16 = 25

25 = 25

PilotLPTM [1.2K]4 years ago

5 0

Answer:

a²+b²=c²

Step-by-step explanation:

a= side of right triangle

b= side of right triangle

c= hypotenuse

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In preparing a certain ointment, a pharmacist used 28.35 g of zinc oxide instead of the 31.1 g called for. Calculate the percent

Vilka [71]

Answer: 9.70%

Step-by-step explanation:

The formula to find the percentage error is given by :-

$\%\text{ error}=\dfrac{|\text{Estimate-Actual}|}{\text{Actual}}\times100$

Given : Actual mass of zinc oxide used by pharmacist = 28.35 g

Estimated mass of zinc oxide used by pharmacist =31.1 g

Now, $\%\text{ error}=\dfrac{|31.1-28.35|}{28.35}\times100$

i.e. $\%\text{ error}=\dfrac{2.75}{28.35}\times100$

i.e. $\%\text{ error}=9.70017636684\approx9.70\%$

Hence, the percentage of error on the basis of the desired quantity.= 9.70%

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4 years ago

The graph shows the height, y, in centimeters, of a plant after a certain number of weeks, x. Shania drew the line of best fit o

tia_tia [17]

<span>You are given a a graph titled Plant Height that shows Number of Weeks on x axis and Height of Plant in cm on y axis. Plotting this and you will get an equation of y = 1.2792x - 0.1665 (I used excel using the given points from the above problem).

</span>y = 1.2792x - 0.1665
y = 1.2792 (7) - 0.1665
<span>y = 8.78 centimeters.

The most likely approximate height of the plant after 7 weeks is 8.7 centimeters.

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8 0

3 years ago

Read 2 more answers

Factor Completely: 2x2 - 72y72y

Anarel [89]

-72yexponet73 + 2xexponet2 :)

8 0

3 years ago

The volume of the cylinder is 225π cm3. What is the height of the cylinde

Leokris [45]

Volume of cylinder = Pi x r^2 x h
Volume = 225pi
r = 3
Substitute values into equations
225pi = Pi x (3)^2 x h
225pi = 9pi x h
Hence h = 225pi/9pi = 25
So h is 25 cm.

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3 years ago

(I have to check 2) Which of the following statements are true? Check all that apply.

miss Akunina [59]

Answer:

The true statements are B and C

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3 years ago