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3 years ago

6

A community needs to raise at least 5,000

1 answer:

irina [24]3 years ago

6 0

A community needs to raise at least $5000 to build a new skateboarding park. They are selling backpacks for $25 each to raise the money. Write and solve an inequality to determine the minimum number of backpacks they need to sell in order to reach this goal.

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A woman walks due west on the deck of a ship at 3 mi/h. The ship is moving north at a speed of 22 mi/h. Find the speed and direc

Minchanka [31]

Answer: The speed is 22.2 mi/hr and woman is 8° north relative to the surface of the water.

Step-by-step explanation:

Since we have given that

Speed at which woman walks due west = 3 mi/hr

Speed at which ship moving due north = 22 mi/hr

Now it forms "Pythagorus theorem":

So, it becomes,

$H^2=B^2+P^2\\\\H^2=3^2+22^2\\\\H^2=9+484\\\\H^2=493\\\\H=\sqrt{493}\\H=22.20\ mi/hr$

And the direction of the woman relative to the surface of the water is given by

$\theta=\sin^{-1}x(\dfrac{3}{22.2})=7.76\approx 8^\circ$

Hence, the speed is 22.2 mi/hr and woman is 8° north relative to the surface of the water.

5 0

2 years ago

Help me pls, I'm confused

ivann1987 [24]

Answer: A B and C

Step-by-step explanation:

D has an area of 15 and A B and C have an area of 12.

4 0

2 years ago

Read 2 more answers

Joe is straight into running a half marathon in too much this week he ran 1,200,000 km on Monday 2400 m on Wednesday and 4.6 km

lara31 [8.8K]

Answer:

1202404.6

Step-by-step explanation:

1,200,000 + 2400 =1202400

1202400 + 4.6 = 1202404.6

6 0

2 years ago

astraxan [27]

The answer for this question is 8

7 0

2 years ago

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Can anyone help with what the formula to calculate the volume of a Rhombohedron (3D Rhombus) is? Could you also give me an examp

Elza [17]

Answer: the formula is : β = 180° - α

A = 6 * a² * sin(α)

V = a³ * (1-cos(α)) * √1+2cos(α)

Sorry, i don't know any examples .

Step-by-step explanation:

4 0

2 years ago