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3 years ago

Solve the following equation algebraically:

Mathematics

2 answers:

ehidna [41]3 years ago

5 0

Answer:

D. -3.86,3.86

Step-by-step explanation:

I calculated logically

worty [1.4K]3 years ago

4 0

B because 6 times 2 is 12...

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Which of the following equations can be used to find the length of EF in the

Vinil7 [7]

The equation which can be used to find the length of EF is option A which is EF= $\sqrt{24^{2} -12^{2} }$ .

Given the length of base of right angled triangle is 12 and the hypotenuse be 24.

We are to find the length of EF and tell which equation can be used to find the length of EF.

We know that pythagoras theorem applies in a right angled triangle.

Pythagoras theorem says that in a right angled triangle the square of the hypotenuse is equal to the sum of square of base and perpendicular.

$H^{2} =B^{2} +P^{2}$

In this triangle we are only given base and hypotenuse and we have to find EF which is perpendicular.

$(DE)^{2} =(EF)^{2} +(DF)^{2}$

EF= $\sqrt{DE^{2}-DF^{2} }$

= $\sqrt{(24)^{2} -(12)^{2} }$ --1

= $\sqrt{576-144}$

= $\sqrt{432}$

Hence the equation which can be used to find the length of Ef is option A which is EF= $\sqrt{24^{2} -12^{2} }$ .

Question is incomplete as it should include the figure also.

Learn more about pythagoras theorem at brainly.com/question/343682

#SPJ1

3 0

2 years ago

. Al's Omelets Al's House of Eggs N'at makes omelets. Al begins each day with 150 eggs to make his famous Bestern Western Omelet

Dvinal [7]

At the beggin there are 150 eggs, after making 1 omeltet, there are 144 eggs, after the second omelet, there are 138 eggs, etc.

By the given statement you can notice that each omelet demands 6 eggs. Then, after making each omeltet Al has 6 eggs lower. This can wrtten numerically as follow:

150, 144, 138, 132, 126, 120,...

That is equivalent to:

150-6, 150-6-6, 150-6-6-6, 150-6-6-6-6, 126-6-6-6-6-6, ... , 150 - 6n

where n is the nth omelet made by counting from the begining of the day.

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2 years ago

A water cooler holds 15 liters of sports drink. Approximately how many gallons is this? (1 gallon = 3.785 liters)

Katena32 [7]

Approximately 3.9 gallons I’m sure of

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3 years ago

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hram777 [196]

Answer:

2/3

Step-by-step explanation:

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hoa [83]

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