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4 years ago

What is the volume of the rectangular prism? OA) 14 cubic units

Chemistry

1 answer:

Nastasia [14]4 years ago

7 0

Answer:

Multiply The Sides And Volumes The Cubic Inches

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A dolphin travels a distance 20 miles up the coastline in 153 minutes.If 1 mile is equal to 1609 meters,then what is the dolphin

Afina-wow [57]

Answer:

The dolphins average speed is 3.51 $\frac{meters}{seconds}$

Explanation:

First of all, the following rules of three should be applied:

If 1 mile is equal to 1609 meters, 20 miles are equal to how many meters?

$distance=\frac{20 miles*1609 meters}{1 mile}$

distance=32,180 meters

If 1 minute is equal to 60 seconds, 153 minutes is equal to how many seconds?

$time=\frac{153 minutes*60 seconds}{1 minute}$

time= 9,180 seconds

Speed is a physical quantity that expresses the relationship between the space traveled by an object and the time used for it. That is, speed implies the change of position of an object in space within a certain amount of time and is calculated as:

$speed=\frac{distance}{time}$

So in this case the velocity is calculated as:

$speed=\frac{32,180 meters}{9,180 seconds}$

Solving, you get:

Speed= 3.51 $\frac{meters}{seconds}$

The dolphins average speed is 3.51 $\frac{meters}{seconds}$

4 0

3 years ago

Metallic or nonmetallic elements or compounds of elements that occur naturally in earth's crust are

jek_recluse [69]

I dont get it please help

3 0

3 years ago

Which of the following objects would have the most inertia?

ankoles [38]

I believe it is A or D

3 0

4 years ago

Read 2 more answers

The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same thing as weight, but the abb

Nimfa-mama [501]

Answer:

$\boxed{\text{254 g}}$

Explanation:

$\begin{array}{rcl}\text{\% m/V} & = & \dfrac{\text{Mass of sucrose}}{\text{Volume of solution}}\\\\\text{Let m}& = &\text{mass of sucrose}\\\dfrac{\text{35.0 g}}{\text{100 mL}}& = & \dfrac{m}{\text{725 mL}}\\\\m & = &\dfrac{\text{35.0 g}\times 725}{100}\\\\ & = &\textbf{254 g}\\\end{array}\\\text{You need $\boxed{\textbf{254 g}}$ of sucrose}$

3 0

4 years ago

What masses of KCl and H2O are needed to make 250 g of 5.00 % solution?

oksano4ka [1.4K]

Answer:

w/w means weight/weight

Therefore, in a 250 g of solution, 5% needs to be KCl,

i.e. 5% x 250 = 12.5 g of KCl is needed.

7 0

3 years ago