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3 years ago

Find the value of x to the nearest tenth

Mathematics

1 answer:

daser333 [38]3 years ago

6 0

Answer:

x = 9.2

Step-by-step explanation:

6/cos(57) = 11.01647075 (hypotenuse)

6^2 + b^2 = 11.01647075^2

36 - 36 + b^2 = 121.3626278 - 36

√b^2 = √85.36262784

b = 9.239189783

x = 9.2

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Answer:

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Step-by-step explanation:

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1) 6/31*<br> Is a rational or irrational

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3 0

3 years ago

Make b the subject of this equation A = 1/2 x b x h

aalyn [17]

The equation is $b=\frac{2A}{h}$

Step-by-step explanation:

Let us revise how to make a variable subject of an equation

Write the equation and circle the variable you want to make it subject
Keep it in one side and move all other in the other side
Make the coefficient of the subject 1

∵ A = $\frac{1}{2}$ × b × h

∵ b is the subject

∴ Multiply the two sides by 2

∴ 2A = b × h

- Divide both sides by h

∴ $\frac{2A}{h}= b$

- Switch the two sides

∴ $b=\frac{2A}{h}$

The equation is $b=\frac{2A}{h}$

Learn more:

You can learn more about the equations in brainly.com/question/10708697

#LearnwithBrainly

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