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Tanya [424]
3 years ago
14

How could i determine the volume of an object that had an irregular shape? (i can’t measure it with a ruler)

Mathematics
1 answer:
goblinko [34]3 years ago
5 0

Answer:

The volume of an irregular shape can be found by placing it in a can (of known volume) of water. The amount of water the shape displaces is equal to its volume.

Boat will float. It has a lower density that that of water.

Step-by-step explanation:

If an object has a lower density than the fluid it is in, it will float. If higher, it will sink.

Assuming the water is at room temperature:

Density of water,p_{w}=1000kg/m^3

Density,   p = \dfrac{m}{V}

Mass of boat=19,000,000

Volume of boat=45,000m^3

p_{b}=\frac{19,000,000kg}{45,000m^3}\\p_{b}=422.22kg/m^3

p_{w}>p_{b}

Therefore the boat will float on water.

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Brian invested $3,000 in an account that paid a simple interest rate of 1.7%. When he cashed in the investment, he received $306
lesya692 [45]

Answer:

$165

Step-by-step explanation:

8 0
2 years ago
Find the inverse of each function. Is the inverse a function? y=(x+4)³-1
tatuchka [14]

Inverse of the give function F(x) = ( x + 4 )³ - 1 is F⁻¹(x) = [√( x + 1 ) ] - 4.

Given is a function of x, F(x) = ( x + 4 )³ - 1

These question can be solved by following 4 easy steps

Step 1 : Switch the F(x) with the variable y

This implies, F(x) = ( x + 4 )³ - 1 becomes y = ( x + 4 )³ - 1

Step 2 : Interchange the variable x and y in the above obtained equation

This implies, from the equation y = ( x + 4 )³ - 1, we get

x = ( y + 4 )³ - 1

Step 3 : Solve the new obtained equation for y

This implies, we have to simplify the equation by rearranging the terms to get the equation in terms of the variable x.

x = ( y + 4 )³ - 1

=> x + 1 = ( y + 4 )³

=>  (y + 4 )³ = x + 1

=> y + 4 = √( x + 1 )

=> y = √( x + 1 ) - 4

Hence we obtain the required equation.

Step 4 : Switch the variable y with F⁻¹(x)

This implies, y = √( x + 1 ) - 4 becomes F⁻¹(x) = √( x + 1 ) - 4

Therefore, we get the inverse of the give function F(x) = ( x + 4 )³ - 1 as F⁻¹(x) = [√( x + 1 ) ] - 4.

Learn more about Inverse of a Function here:

brainly.com/question/2541698?referrer=searchResults

#SPJ9

4 0
1 year ago
Write each rational number as a terminating decimal.<br> 1. 19/20<br> 2. -1/8<br> 3. 17/5
Dima020 [189]
19/20= 0.95
-1/8= -0.125
17/5= 3.4
HOPE THIS HELPS!
8 0
4 years ago
Read 2 more answers
An interior designer sketches a design for a rectangular rug. The dimensions of a sketch are 4 inches by 7.5 in. The dimensions
Black_prince [1.1K]

3,000 in.

(4 x 10) + (7.5 x 10) = 3000


The dimensions on the sketch are 10 times less than the actual rug.


40 in., 7.5 in.


The drawing lengths are ten times more, so you just multiply the dimensions by 10, and then multiply the product you find out to find the actual area of the rug.

4 0
3 years ago
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Mila [183]
Sksksks i think 147 feet
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3 years ago
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