3 years ago

A piece of blue yarn is 5

Mathematics

1 answer:

Daniel [21]3 years ago

5 0

I got 26.43. I'm not sure if it is completely correct though

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Shonda jogs 5 miles per hour.

igomit [66]

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3 years ago

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Which measurement is the best estimate for the mass of a penny?

Maksim231197 [3]

B is correct - 2.5g :)

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4 years ago

Find an equation for the tangent to the curve at P and the horizontal tangent to the curve at Q. y = 5 + cot x - 2 csc x 0 1 2 3

oksian1 [2.3K]

Answer with explanation:

The given function in x and y is,

y= 5 +cot x-2 Cosec x

To find the equation of tangent, we will differentiate the function with respect to x

$y'= -\csc^2 x+2 \csc x\times \cot x$

Slope of tangent at (π/2,3)

$y'_{(\frac{\pi}{2},3)}= -\csc^2\frac{\pi}{2} +2 \csc \frac{\pi}{2}\times \cot \frac{\pi}{2}\\\\=-1+2\times 1 \times 0\\\\= -1$

Equation of tangent passing through (π/2,3) can be obtained by

$\rightarrow \frac{y-y_{1}}{x-x_{1}}=m(\text{Slope})\\\\ \rightarrow \frac{y-3}{x-\frac{\pi}{2}}=-1\\\\\rightarrow 3-y=x-\frac{\pi}{2}\\\\\rightarrow x+y-3-\frac{\pi}{2}=0$

⇒There will be no Horizontal tangent from the point (π/2,3).

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4 years ago

Last week the price of apples at a grocery store was $1.20 per pound. Today, the store has

lions [1.4K]

Answer:

$0.54

Step-by-step explanation:

Start by multiplying 4.5 times 1.20. That’s the normal price of the apples when they’re not on sale. $5.40. Move the decimal place back by one and you get 0.54. That’s the total price of the apples.

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3 years ago

Can anyone help me please?

hammer [34]

Answer:

147cm²

Step-by-step explanation:

As pi is 3 and radius is 7cm

Putting these on the equation will give us

3 x 7² = 147cm²

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3 years ago