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3 years ago

What measuring tool and unit you would use to measure a rectangle explain

1 answer:

7 0

A ruler or tape measure would work. The units would depend, in part, on the size of the rectangle. English units of inches or feet would be the norm, unless you usd a meter stick. In that case, likely you would measure in centimeters or meters.

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Ln (1/x)+ln (2x^3)=ln3

Lapatulllka [165]

$\ln \frac{1}{x} +\ln2x^3=\ln3$
$\ln \frac{2x^3}{x} = \ln3$
$\ln2x^2=\ln3$
$2x^2=3$
$x=\sqrt{ \frac{3}{2} }$

3 0

3 years ago

How do you do this trig problem.

loris [4]

Consider a right triangle in which one of the angles $\theta$ satisfies

$\sin\theta=\dfrac35\implies\theta=\sin^{-1}\dfrac35$

That is, the side opposite $\theta$ occurs in a ratio of 3 to 5 with the hypotenuse. The side adjacent to $\theta$ then occurs in a ratio of 4 to 5 with the hypotenuse. In other words,

$\cos\theta=\dfrac45$

because

$\sin^2\theta+\cos^2\theta=\dfrac9{25}+\dfrac{16}{25}=1$

Then in this triangle,

$\cot\theta=\cot\left(\sin^{-1}\dfrac35\right)=\dfrac{\cos\theta}{\sin\theta}=\dfrac{\frac45}{\frac35}=\dfrac43$

7 0

3 years ago

Need help and it's for monday<br><br> is Science

IrinaVladis [17]

Answer:

a. Yes, it will float in oil since it is less dense than oil.

b. No, it won't float in oil since it is more dense than the oil itself.

c. Yes, it will float in water since, the water is more dense than the object itself.

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3 years ago

Read 2 more answers

Derek jeter hit 22 home runs one season. If that was only two-thirty-firsts of all the home runs hit by the yankees, how many ho

My name is Ann [436]

The equation of this equation is 2x/31=22. First, multiply both sides by 31 to get 2x=682. Then, divide both side by two to get x=341, which is 341 home runs by the Yankees that season

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3 years ago

Which of the following expressions is equal to 1?

Vikki [24]

I think it's d okay maybe

8 0

3 years ago