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3 years ago

10

A hummingbird can travel up to 15 meters per second.

2 answers:

Elena L [17]3 years ago

6 0

Speed=15 m/s
1 hour=60 minutes
60 minutes=60 minutes (60 seconds/1 minute)=3600 seconds.

15 m/s=(15 m/s)(1 mile / 1609 m)(3600 s/1h)=33.56... miles/hour≈
≈33.6 miles/hour.

Answer: the speed in miles per hour would be 33.6 miles/hour

Lana71 [14]3 years ago

4 0

I just took the test and the answer is 33.6

In case anyone has the same question

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Arturiano [62]

Answer:

t = 6162 years

Step-by-step explanation:

Apparently you are asked to use the constant k = 0.0001 instead of the most common 0.00012. We'll answer the problem using such number you typed, but make sure that there is no omission in your typing.

The equation to use is that for carbon decay:

$N(t)=N_0\,e^{-0.0001\,\,t}$

If the skull contains 54% of its original amount of C14, then that means that :

$N(t)=0.54 \,\,N_0$

we use this to solve for the time (t) in our equation:

$0.54\,\,N_0=N_0\,e^{-0.0001\,\,t}\\\frac{0.54\,\,N_0}{N_0}=e^{-0.0001\,\,t}\\0.54=e^{-0.0001\,\,t}\\ln(0.54)=-0.0001\,\,t\\t=\frac{ln(0.54)}{-0.0001} \\t=6161.86\,\,years$

which rounded to the nearest year as requested gives :

t = 6162 years

8 0

3 years ago

Is y=7x-3 proportional

timurjin [86]

If you do the math it equals to 3/7 so x=0.428... so no cuz it doesn’t give a straight answer unless it’s 3/7

8 0

4 years ago

Identify the transformation of the function f(x)=|x| by observing the equation of the function g(x)=|x+3|

Alla [95]

Answer:

a horizontal translation by 3 units left

Step-by-step explanation:

f(x)= |x|

we are given with absolute function f(x)

g(x) = |x+3|

To get g(x) from f(x) , 3 is added with x

If any number is added with x then the graph of the function move to the left

Here 3 is added with x, so the graph of f(x) moves 3 units left to get g(x)

So there will be a horizontal translation by 3 units

6 0

3 years ago

What is the measure of x? Help me on this Geometry question.

AlladinOne [14]

Answer:

21°

Step-by-step explanation:

the angles of triangle abc has to = 180 so subtract the known angles to get 21

angles bca and daf have to be the same so its 21

8 0

4 years ago

Read 2 more answers

Three different sets of objects contain 4, 5, and 12 objects, respectively. How

Angelina_Jolie [31]

Answer:

$\text{B. }240}$

Step-by-step explanation:

$\binom{4}{1}\cdot\binom{5}{1}\cdot \binom{12}{1}=\boxed{\text{B. }240}}$

(Multiplying each of the numbers also yields 240)

4 0

3 years ago