3 years ago

Convert t 30 degree to radian

Mathematics

1 answer:

Delvig [45]3 years ago

8 0

t 30 ° × π / 180°

= NaNπ rad

= NaN rad

Angle view: _________

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Find the intersection and union for L={-1,1,2} I={-1,3,7}

Zanzabum

Intersection means elements both have. Both sets have -1 but they have nothing else in common so the intersection is {-1}
Union means combining the sets so {-1, 1, 2, 3, 7} Note that I only wrote 1 twice. No duplicates allowed!

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3 years ago

the sequence {a_n} is defined by a_1= 1 and a_(n+1) = 1/2( a_n+ (4/a_n) ) for >=1. Assuming that {a_n} converges, find its li

katen-ka-za [31]

$a_{n+1}=\dfrac{a_n+\frac4{a_n}}2$

Assuming convergence of the sequence, we have $a_n\to L$ for some limit $L$ as $n\to\infty$ . This also means $a_{n+1}\to L$ . So in the above equation, we can substitute and solve for $L$ :

$L=\dfrac{L+\frac4L}2$

$\implies2L^2=L^2+4$

$\implies L^2=4\implies L=\pm2$

The limit can only be one of these values; otherwise, the sequence would be divergent. To decide which one is correct, we can observe that the sequence is strictly positive. So $L=2$ .

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3 years ago

Hannah scored 14/18 on her math test and trey scored 16/20 his math test.Who did the best?

tia_tia [17]

Compare
first simplify each
14/18=2/2 times 7/9=1 times 7/9=7/9

16/20=2/2 times 2/2 times 4/5=1 times 4/5=4/5

7/9 and 4/5
make bottom number same
7/9 times 5/5=35/45
4/5 times 9/9=36/45
36/45>35/45

trey scored better

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4 years ago

Read 2 more answers

Jenna lives 8 2/5 miles from work. Colby lives 3/4 of this distance from work. How far does Colby live from work?

Nina [5.8K]

Answer:

around 45 minutes

Step-by-step explanation:

it takes about 15 minutes to do 1 mile, do the correct math, it'll take about 45 minutes to do 3 miles

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3 years ago

The questions is - What is the slope intercept? Then convert your answer to standard form.

Fiesta28 [93]

Answer:

y=1

Step-by-step explanation:

You're correct also graphed so you can see your answer is right

The graph is undedefined because it doesn't have a X and continues straight on one point. So for standard for you would put Y=1/undefined or just undefined

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3 years ago