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3 years ago

What is the square root pi 4

Mathematics

2 answers:

Jet001 [13]3 years ago

7 0

$\sqrt{ \pi 4} = 3.544907702$

Round to whichever place is needed

Orlov [11]3 years ago

4 0

Its 1.7724585 dude. Thats what pi squared is

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What is the exact value of sin(5π/12)? <br><br>(please give steps)

snow_tiger [21]

Answer:

0.966053748

Step-by-step explanation:

$\sin \bigg( \frac{5\pi}{12} \bigg) \\ = \sin \bigg( \frac{5 \times 180 \degree}{12} \bigg) \\ = \sin ( 5 \times 15 \degree) \\ = \sin ( 75 \degree) \\ = \sin ( 45 \degree + 30 \degree) \\ = \sin 45 \degree \times \cos 30 \degree + \cos 45 \degree \times \sin 30 \degree \\ \\ = \frac{1}{ \sqrt{2} } \times \frac{ \sqrt{3} }{2} + \frac{1}{ \sqrt{2} } \times \frac{1}{2} \\ \\ = \frac{ \sqrt{3} }{2 \sqrt{2} } + \frac{1}{2 \sqrt{2} } \\ \\ = \frac{ \sqrt{3} + 1}{2 \sqrt{2} } \\ \\ = \frac{1.732 + 1}{2 \times 1.414} \\ \\ = \frac{2.732}{2.828} \\ \\ = 0.966053748$

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3 years ago

What equation is equivalent to 3(2x-5)=4(x+3)

Thepotemich [5.8K]

Answer:

6x-15 = 4x+12

Step-by-step explanation:

3*2x = 6x

3*-5 = -15

4*x=4x

4*3=12

6x-15 = 4x+12

4 0

3 years ago

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Which of the following expressions are equivalent to x−(−x)+y

Sonbull [250]

Answer:

C. None of the above.

Step-by-step explanation:

x − (−x) + y

x + x + y

= 2x + y.

6 0

3 years ago

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when ashley buys 7 postage stamp booklets she gets 140 stamps.she get 60 stamps in three booklets. write an equation to find the

Andreyy89

We can put this information into two equations:

7 booklets = 140 stamps
3 booklets = 60 stamps

Let us then focus on one equation to find the relationship:

7 booklets = 140 stamps

If we put that into a fraction, we get $\frac{7}{140}$ or $\frac{1}{20}$ .

This means that for every booklet, Ashley gets 20 stamps; or rather, each booklet has 20 stamps.

We can then see that this relationship holds true for the second equation as well:

$\frac{3}{60}$ or $\frac{1}{20}$ .

To write a general equation for this relationship using p for the number of postage stamps, and b for the number of booklets:

p = 20b

Where b is equal to p.

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2 years ago

About how many $40 shirts could you buy with $290?

kipiarov [429]

Answer:

7 shirts

Step-by-step explanation:

290/40 = 7.25

But since you can't have 7.25 shirts, it's just 7.

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2 years ago

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