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borishaifa [10]
3 years ago
5

What would the total bill be of a painting that costs $20.50 with a tax rate of 6%?

Mathematics
1 answer:
ozzi3 years ago
3 0

Answer:

$21.73

Step-by-step explanation:

6% = 0.06

$20.50x0.06 = $1.23

$20.50 + $1.23 = $21.73

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PLEASE ANSWER + BRAINLIEST !!!!
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</span>by combining like terms the difference of the polynomials will be C.) m^2n^2-mn-11

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3 years ago
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captain ishaan has a ship, the H.M.S Crimson Lynx. the ship is four furlongs from the dread pirate Michael and his merciless ban
Aleksandr [31]

Answer:

the answer is 0.

Step-by-step explanation:

this is correct i just did the problem on khan

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3 years ago
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A toy rocket is launched from the top of a building 135 feet tall at an initial velocity of 167 feet per second. Give the functi
Cerrena [4.2K]

Answer:

h(t) = = -16t^2 + 167t + 135

Step-by-step explanation:

This is an equation of motion of an object umder a constant acceleration(here it is the acceleration due to gravity);

h(t) = = -16t^2 + 167t + 135.

Note: t is the time in seconds and h is the height in feet at time t.

3 0
3 years ago
A spinning giant star of initial radius R1 and angular speed ω1 suddenly collapses radially inward reaching a new radius R2 = 0.
tiny-mole [99]

Answer:

K1/K2=4

Step-by-step explanation:

The kinetic energy of a rotating sphere is given by:

K=\frac{I*\omega^{2} }{2}

The moment of inertia of a solid sphere is given by

I=\frac{2MR^{2} }{5}

The initial kinetic energy is therefore

K_1=\frac{2MR^{2}*\omega^{2} }{10}

K_1=\frac{MR_1^{2}*\omega^{2} }{5}

The final kinetic energy is given by

K_2=\frac{MR_2^{2}*\omega^{2} }{5}

Therefore the relation K1/K2 if R2 = 0.5R1

\frac{K_1}{K_2} =\frac{5M(R_1)^{2}*\omega^{2} }{5*M(0.5R_1)^{2} \omega^{2}}

The text says nothing about the final angular velocity just the collapse of the collapse of the radius

\frac{K_1}{K_2} =\frac{1 }{(0.5)^{2} }=4

3 0
3 years ago
Bonita is testing prototype model rocket engines. To be considered a successful launch, the rocket must reach a height of at lea
lbvjy [14]

Answer:

(0, 33)   : Yes

(4.8,  30.5)  : Yes


Step-by-step explanation:

height of at least 24 ft :  y >= 24

horizontal distance of no more than 10 ft. : 0 <= x <= 10

The vertical height must be at least three times as high as the horizontal distance. No rocket should go higher than 33 ft.:

y >=  3x and y <= 33

So Constraints:

24 <= y <= 33

y >= 3x

0 <= x <= 10

Now check to see if those coordinate points meet all the constraints

(0, 33)   : Yes

(4.8, 30.5)  : Yes

(9, 26)  : No (because 26 is less than (3 * 9) = 27)

(4, 36) : No (because 36 > 33,  must be 24 <= y <= 33)

(2, 22): No (because 22 <24,  must be 24 <= y <= 33)

5 0
3 years ago
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