2 years ago

Here are the scores for landing an arrow in the colored regions of the archery target.

Mathematics

2 answers:

Ad libitum [116K]2 years ago

7 0

Answer: what is the picture there for and the answer is

Step-by-step explanation:

Vladimir [108]2 years ago

4 0

Answer:

not enough information

Step-by-step explanation:

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webassign If a snowball melts so that its surface area decreases at a rate of 6 cm2/min, find the rate at which the diameter dec

drek231 [11]

Answer:

The answer is $\frac{3}{10\pi } cm/min$

Step-by-step explanation:

Assuming the snowball is a perfect sphere, then if A denotes the surface area and D the diameter then:

$A=4\pi r^{2} = 4\pi (\frac{D}{2} )^{2} =\pi D^{2}$

Differentiating wrt r we have:

$\frac{dA}{dD} =2\pi D$

We are told that $\frac{dA}{dt}= -6$ and we want to find $\frac{dD}{dt}$

By the chain rule we have:

$\frac{dA}{dD}=\frac{dA}{dt}.\frac{dt}{dD}=\frac{\frac{dA}{dt} }{\frac{dD}{dt} }$

∴ $2\pi D=-\frac{6}{\frac{dD}{dt} }$

∴ $\frac{dD}{dt}=-\frac{6}{2\pi D}$

When D=10 then

$\frac{dD}{dt} =-\frac{6}{10*2\pi } =-\frac{3}{10\pi }$

The sign (-) shows that the D is decreasing.

3 0

3 years ago

Stats help please! Can’t figure out how to solve

mariarad [96]

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8 0

3 years ago

Read 2 more answers

Pls solve and send on snap<br> j.aeg

padilas [110]

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6 0

3 years ago

Helppppp meeee please

tankabanditka [31]

Answer:

x is equal to -21

Step-by-step explanation:

-21+4=-17

3 0

2 years ago

Find the area of triangle ABC with the given parts.<br> 3) A = 38.8°<br> b= 13.9 in.<br> c=7.3 in.

tamaranim1 [39]

The area of triangle ABC with the given parts is c- 7.3in

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3 years ago