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4 years ago

Which unit would you use to measure the amount of water in a swimming pool?

Mathematics

1 answer:

Tju [1.3M]4 years ago

6 0

Gallons, it's the largest unit that you're given and swimming pools obviously have a lot of water in them

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Given two vectors A=2i+3j+4k,B=i-2j+3k find the magnitude and direction of sum (physics question)

Law Incorporation [45]

Answer:

$Magnitude =\sqrt{59} \\\\Direction \: of \: \overrightarrow{A + B} = \frac{3}{\sqrt {59}} , \:\frac{1}{\sqrt {59}} , \:\frac{7}{\sqrt {59}}$

Step-by-step explanation:

A=2i+3j+4k

B=i-2j+3k

Sum of the vectors:

A + B = 2i+3j+4k + i-2j+3k = 3i + j + 7k

$Magnitude =\sqrt{3^2 + 1^2+ 7^2} \\\\Magnitude =\sqrt{9+1+49} \\\\Magnitude =\sqrt{59}$

Direction of the sum of the vectors:

$\widehat{A + B} =\frac{\overrightarrow{A + B}}{Magnitude\: of \:\overrightarrow{A + B}} \\\\\widehat{A + B} =\frac{3i + j + 7k}{\sqrt {59}} \\\\\widehat{A + B} =\frac{3}{\sqrt {59}} i +\frac{1}{\sqrt {59}} j+\frac{7}{\sqrt {59}} k\\\\Direction \: of \: \overrightarrow{A + B} = \frac{3}{\sqrt {59}} , \:\frac{1}{\sqrt {59}} , \:\frac{7}{\sqrt {59}} \\\\$

3 0

3 years ago

An emergency patient is being seen today because of a lost "filling.” The dentist examines

saveliy_v [14]

A temporary dental material that would most likely be used to replace the lost filling be reinforced zinc oxide- eugenol composition.

A temporary restoration material is used to keep the patient comfortable for a short period of time. It prevents the dislocation of tooth and maintain functionality.

So, a temporary dental material that would most likely be used to replace the lost filling be reinforced zinc oxide- eugenol composition.

Learn more here:

brainly.com/question/23558592?referrer=searchResults

6 0

2 years ago

HELP ME OUT PLS!!!!!

pantera1 [17]

The Answer Is C. 64, hope I helped

4 0

3 years ago

Read 2 more answers

Find an equation of the line satisfying the given conditions. Write the equation in standard form. Horizontal; through ( 3,6)

Andreyy89

Answer:

Step-by-step explanation:

A horizontal line has the equation "y = " something, while a vertical line has the equation "x = " something. If our line is horizontal through (3, 6), it will be horizontal through the y coordinate (and vertical through the x coordinate). Our equation is y = 6

(The vertical equation through this point would be x = 3, just so you understand what I meant above.)

3 0

3 years ago

What is the area of this figure?

aleksley [76]

Find: 1) the area of a circle of diamter 5 feet and radius 5/2 feet.
2) the area of a triangle with height 4 ft and base 6 ft.

Add these 2 results together: pi*(5/2)^2 + (1/2)(6)(4) ft

The trick here is to recognize basic shapes, find their areas separately and add the results.

7 0

4 years ago