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3 years ago

Find sin θ for θ = 30° HINT: Draw the corresponding special right triangle to find the trigonometric values.

Mathematics

1 answer:

kow [346]3 years ago

5 0

Answer: 1/2

do you have a unit circle?

Step-by-step explanation:

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The area of a circle is<br><img src="https://tex.z-dn.net/?f=144%5Cpi%20%5C%3A%20%20%7Bm%7D%5E%7B2%7D%20" id="TexFormula1" title

DiKsa [7]

Answer:

Step-by-step explanation:

The area is calculated by multplying radius (half of diameter) by itself and then with number pi

the area for this circle is given as

144π m^2

144 is the squared form of 12 if the radius is 12 the diameter is 24

5 0

3 years ago

Compare 6_|-8| using <,>,=.

Zigmanuir [339]

Answer:

Step-by-step explanation:

8 0

3 years ago

Find the unit rate.<br> 100 cupcakes in 10 boxes<br> cupcakes per box

stellarik [79]

Answer:

<h2>hope it helps you </h2><h2>mark as brainlist </h2>

Step-by-step explanation:

100/10=10

8 0

3 years ago

Read 2 more answers

Show that if x and y may both be written as the sum of the squares of two rational integers, then their product xy may also be w

Georgia [21]

Answer:

See proof below

Step-by-step explanation:

One way to solve this problem is to "add a zero" to complete the required squares in the expression of xy.

Let $x=m^2+n^2$ and $y=l^2+k^2$ with $m,n,l,k\in \mathbb{Z}$ . Multiplying the two equations with the distributive law and reordering the result with the commutative law, we get $xy=(m^2+n^2)(l^2+k^2)=m^2l^2+m^2k^2+n^2l^2+n^2k^2=n^2l^2+m^2k^2+m^2l^2+n^2k^2$

Now, note that $0=2lkmn-2lkmn=2nkml-2nlmk$ by the commutativity of rational integers. Add this convenient zero the the previous equation to obtain $xy=n^2l^2-2nlmk+m^2k^2+m^2l^2+2nkml+n^2k^2=(nl-mk)^2+(ml+nk)^2$ , thus xy is the sum of the squares of $nl-mk,ml+nk\in \mathbb{Z}$ .

7 0

3 years ago

Santas having trouble. one quarter of the elves call out sick. how many elves are sick?

lions [1.4K]

Answer:

how many are there

Step-by-step explanation:

we need to know many are in total

8 0

3 years ago

Read 2 more answers