3 years ago

What is the measure of angle y in this figure

Mathematics

1 answer:

Nadusha1986 [10]3 years ago

3 0

Its 163 bc their corresponding angles i think

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I serve a volleyball at a 730 angle with the horizontal, and an initial speed of 5.6 feet per second. What is the component form

noname [10]

You would split out the velocity into x and y components.
X component: 5.6cos(73)= 1.637i
Y component: 5.6sin(73)= 5.355j

Therefore velocity in its component form is 1.637i + 5.355j ft/s

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3 years ago

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Find the circumference of a circle if the area is 300 square centimeters.

mr Goodwill [35]

So the formula for a circle is Pie * r^2

If you divide 300 by pie and then Square root it you would get your radius

And once you have the radius you would use the equation of 2pie * r to find the circumfrence.

Answer is 61.38

Hope this helps!

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2 years ago

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−104=4x−4(2x+16)<br> I need a whole number i keep messing up

kotykmax [81]

Answer:

x=10

Step-by-step explanation:

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2 years ago

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226Ra has a half-life of 1599 years. How much is left after 1000 years if the initial amount was 10 g?

Ray Of Light [21]

$\bf \textit{Amount for Exponential Decay using Half-Life}\\\\
A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &10\\
t=\textit{elapsed time}\to &1000\\
h=\textit{half-life}\to &1599
\end{cases}
\\\\\\
A=10\left( \frac{1}{2} \right)^{\frac{1000}{1599}}$

8 0

2 years ago

The position d of bicyclist (measured in kilometres) is a linear function of time t (measured in minutes). At time t= 5 minutes,

satela [25.4K]

Answer:

Step-by-step explanation:

If the bicyclist travels 7 km for every 5 minutes then it is directly proportional

5 min 7 km

15 min x

$x=\dfrac{15\cdot7}{5}=3\cdot7=21\,km$

3 0

2 years ago