3 years ago

Create a real-life situation that can be describe with the unit rate 9:1. Describe how quantities are related.

1 answer:

4 0

I have 81¥ and I'm going to the US, so I need to convert my Yen into US Dollars, if i get 1 USD (US Dollar) for every 9¥, how many USD will i have if i convert all of my Yen?

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The velocity of a particle moving back and forth on a line is vequalsStartFraction ds Over dt EndFraction equals6 sine (2 t )Sta

max2010maxim [7]

Answer:

s = 6 m

Step-by-step explanation:

The value of the velocity v is given as:

$v = \frac{ds}{dt} = 6 sin(2t)$ m/s

To find s, we have to integrate and apply the initial values of s = o when t = 0:

$\frac{ds}{dt} = 6 sin(2t)\\\\\int\limits^s_0 {ds} = \int\limits^t_0 {6sin(2t)} \, dt\\\\s|^s_o = -3cos(2t)|^t_o\\\\s - 0 = -3cos(2t) -(-3cos(0))\\\\s = -3cos(2t) + 3(1)\\\\s = -3cos(2t) + 3$

When t = π/2, s will be:

s = -3cos(2 * π/2) + 3

s = -3cos(π) + 3

s = -3(-1) + 3

s = 3 + 3

s = 6 m

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3 years ago

Which statement is correct?

fiasKO [112]

Answer:

Ima guess c

Step-by-step explanation:

dont choose mines I guessed

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2 years ago

Triangle PQR has the coordinates P(2,4), Q(-2,4), R(0,-5).

tensa zangetsu [6.8K]

Answer:

I hope I got this correct.

Step-by-step explanation:

Multiply the coordinates by 2.

P(4,8)

Q(-4,8)

R(0,-10)

For the future if you get stuck, multiply the coordinates by the dilation number.

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2 years ago

What is 2-2 equals to ?

Nikitich [7]

Answer:

The answer is 0

Step-by-step explanation:

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2 years ago

Read 2 more answers

State sales tax is 3%. How much would you pay on a $246 pair of shoes?

miskamm [114]

Answer:

Step-by-step explanation:

246(.03)= 7.38

246+7.38= $253.38

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3 years ago