3 years ago

Doesn't anyone know the answer

Mathematics

1 answer:

Nadusha1986 [10]3 years ago

3 0

Answer:

d.66

have a good day

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A survey was conducted of 457 teenagers. Thirty-five percent of the teenagers said they occasionally smoked cigarettes.

ser-zykov [4K]

Answer:

35% of 457 is 159.95 - there cant be 0.95 of a teenager

Around a third of those surveyed smoke cigarettes

Step-by-step explanation:

6 0

4 years ago

The diagram below shows circle with radii OA

Finger [1]

Answer:

Length of arc AB = 4π

Step-by-step explanation:

Formula to get the arc length is given by,

Length of arc = $\frac{\theta}{360}(2\pi r)$

Here, θ = central angle subtended by the arc AB

r = Radius of the circle

By substituting the values in the formula,

Therefore, length of arc AB = $\frac{120}{360}(2\pi )(6)$

= 40π

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3 years ago

ANYTHING WOULD HELP (answer, how to set up, etc)

e-lub [12.9K]

.................... I’m sorry I can’t see it

7 0

3 years ago

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PLEASE PLEASE PLEASE HELP I NEED IT <br><br> What is the sum of the series?

JulsSmile [24]

Formula :

$n\left(a_1+\frac{d\left(n-1\right)}{2}\right)$

Plug in the values :

$20\left(1+\frac{-3\left(20-1\right)}{2}\right) = 550$

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Answer:550
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7 0

4 years ago

Find the partial derivatives of the function w=4r2+6s2+

lyudmila [28]

I'm taking the liberty of editing your function as follows: <span>w=4r^2+6s^2, where I use " ^ " to indicate exponentiation.

The partial of w with respect to r is 8r. That with respect to s is 12s.</span>

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3 years ago