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3 years ago

2sin^2theta+5sin-12=0

Mathematics

1 answer:

mote1985 [20]3 years ago

6 0

There is Nothing further can be done with this question. It stays the same! :)

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Jennifer is saving 1/8 of her salary to buy a phone. Find her weekly pay is she has saved $65

Helen [10]

Let her monthly salary be x

1/8x = $65

x = $65 × 8 = $520

Her weekly pay is $520 ÷ 4 = $130

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4 years ago

Laura can run 1/4 mile in 82.5 seconds, how long would it take Laura to run 2 and 2/5 miles at that rate

seropon [69]

The correct answer is 792 sec

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3 years ago

Reflect (6,-3) over the line x-axis. (3, -6) (-3, 6) (6,3) (-6,-3)

zimovet [89]

Your answer is probality B

Step-by-step explanation:

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3 years ago

Find the length of the arc in terms of pi

ra1l [238]

Answer:

$\frac{\beta }{2\pi } *2\pi r\\$

Step-by-step explanation:

We know that perimeter of a circle is given by 2πr (where r is the radius of the circle).

We can say that for an complete angle of 2π the perimeter is 2πr.

Now let us consider a small section of segment making an angle β at the centre.

According to the proportionality rules the length of the small segment would be

$\frac{\beta }{2\pi } *2\pi r\\$

Let the perimeter of circle be P then

$\frac{\beta }{2\pi } *P$

Hence this is the formula for length of an arc subtending angle β.

3 0

3 years ago

Which expression is equivalent to i 233? a)1 b)–1 c)i d)–i

Aneli [31]

We have to find the value of the expression $i^{233}$

We know that the below values.

$i^2=-1\\i^4=1$

Hence, in order to find the value of the given expression, we can first rewrite it in terms of $i^4$

$i^{233}=(i^4)^{58}\cdot i$

Now, we know that $i^4=1$

Hence, we have

$i^{233}=(1)^{58}\cdot i$

$i^{233}=1\cdot i$

$i^{233}=i$

C is the correct option.

5 0

3 years ago

Read 2 more answers