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You have earned $63

So....

$63 / $9  =   7 lawns  would earn you as much at $9 per lawn

Remember that each degree contains 60 minutes......so.........30 minutes / 60 minutes  = [1/2]°  = .5°

So

42° 30'   =  42.5°

And    sin(42.5°) ≈ .6756

I come up with 144.2 m      IF in your question, 31.5 m is actually 31.5 m/s

If , at its HIGHEST point , it is still moving 31.5 m/s that value must be the HORIZONTAL component of the initial velocity (as the vertical component is ZERO when at hightest point.

SO angle of shot is  53.7  cos(angle) = 31.5    Yields angle =  54.08 degrees

Then VERTICAL component is   53.7 sin(54.08) = 43.49 m/s

vf=vo + at       0 = 43.49 + (-9.81)t       yields t = 4.433 seconds

xf=xo + vo t + 1/2 a t^2                        yields xf = 144.2 m

 Happy birthday Omi! 69 is the new 25! :P

15

(a*a^(4m+5)/a^(m-2)  =

a^[4m + 5 + 1 ] / a^[m - 2]  =

a^[4m + 6]  / a^[m - 2]   =

a^ [( 4m + 6) - (m - 2) ] =

a^[3m + 8 ]

Sorry but it wasn't the response i wanted it's 1^1+2^2+3^3+4^4+5^5+6^6... not 1^2 + 2^2 + 3^2, it's almost like a hyperfactorial but it use 1^1 * 2^2 * 3^3... instead of 1^1+2^2+3^3.

I get off on the 22^nd.

x = 1.76

How did you get that? 

1^2 + 2^2 + 3^2 + ..... + n^2     =   [ n * ( n + 1) * (2n + 1) ] / 6

I come up with 144.2 m      IF in your question, 31.5 m is actually 31.5 m/s

multiply 800 by .03       24

(-2)^2   is really  ( -1 * 2)^2   =  (-1)^2  * (2)^2    =   1 * 4   = 4

But

-2^2   is   -1 * (2)^2   = -1 * 4   = -4

This points up the fact that parentheses are important .....!!!!

you guys are a blessing. thank you so much.

If this is supposed to be :

3 log (2x)   = 4    we can write this as

log(2x)^3  = 4

log (8x^3)  = 4   which says that

10^4  = 8x^3

10,000 = 8x^3   divide both sides by 8

1250 = x^3     take the cube root of both sides

x = 5∛10

If this is suppoosed to be

3log₂ x  = 4     then we can write

log₂ x^3  = 4    and we have that, in exponetial form

2^4   = x^3

16 = x^3    take the cube root of both sides

2∛2  = x

9.81 m/s2 x 87 kg =853.47 Newtons.

28 1/3 =85/3                                                                                                                                     (      

(85/3) x (1/2) =85/6 =14 1/6 of pizzas remaining

Simplify the following:
4 + 2/3 - 2 + 3/5

Put 4 + 2/3 - 2 + 3/5 over the common denominator 15. 4 + 2/3 - 2 + 3/5 = (15×4)/15 + (5×2)/15 + (15 (-2))/15 + (3×3)/15:
(15×4)/15 + (5×2)/15 + (15 (-2))/15 + (3×3)/15

15×4 = 60:
60/15 + (5×2)/15 + (15 (-2))/15 + (3×3)/15

5×2 = 10:
60/15 + 10/15 + (15 (-2))/15 + (3×3)/15

15 (-2) = -30:
60/15 + 10/15 + -30/15 + (3×3)/15

3×3 = 9:
60/15 + 10/15 - (30)/15 + 9/1560/15 + 10/15 - 30/15 + 9/15 = (60 + 10 - 30 + 9)/15:
(60 + 10 - 30 + 9)/15
Answer: |49/15= 3 4/15

2^4=8

3/4 / 2/4 =3/4 x 4/2 =12/8 =1 1/2

a=0

b=a

means b=0

=0+0+5

=5

easy

No idea

Wind turbines under 100 kilowatts cost roughly $3,000 to $8,000 per kilowatt of capacity. A 10 kilowatt machine (the size needed to power a large home) might have an installed cost of $50,000-$80,000 (or more).

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