3D shape practice. I'm stuck in this problem. Pleas help.

Answers

Answer 1

Answer: 1)we calculate the volume of the right rectangular prism
volume=lenght x width x heigth
volume=12 ft * 8.5 ft * 4 ft=408 ft³

density= mass / volume ⇒ mass=volume * density.
density=0.25 pound /ft³

2) we calculate the mass of the right rectangular prism.
mass=volume * density
mass=408 ft³(0.25 pound / ft³)=102 pounds.

answer: c. 102

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What is the volume of this cone?

Answers

Answer:

314

Step-by-step explanation:

volume of cone = 1/3 * pi * r^2 * h = 1/3 * pi * 5^2 * 12

Answer:

Step-by-step explanation:

Find the inverse of f (x)=log(subscript 4) x

Answers

$f(x)=\log_4x\n\ny=\log_4x\nx=4^y\nf^(-1)(x)=4^x$

$f\left( x \right) =\log _( 4 ){ x } \n \n \log _( 4 ){ x } =y\n \n { 4 }^( y )=x\n \n \therefore \quad { f }^( -1 )\left( x \right) ={ 4 }^( x )$

How many 2-inch segments are there in 12 ft.?
a. 6
b. 24
c. 72
d. 10

Answers

When we convert 12 feet to inches and then divide by the length of each segment (2 inches), we find that there are 72 two-inch segments in 12 feet.

To calculate how many 2-inch segments are there in 12 feet, we need to convert both measurements to the same unit before performing the division.

Step 1: Convert 12 feet to inches.

Since 1 foot is equal to 12 inches, to convert 12 feet to inches, we multiply by 12:

12 feet * 12 inches/foot = 144 inches

Step 2: Divide the total number of inches by the length of each segment (2 inches).

144 inches ÷ 2 inches/segment = 72 segments

Therefore, there are 72 two-inch segments in 12 feet.

In summary, when we convert 12 feet to inches and then divide by the length of each segment (2 inches), we find that there are 72 two-inch segments in 12 feet. This calculation involves converting units to ensure they are in the same measurement scale before performing the division.

To know more about inches:

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C. 72 Sorry hope it's not to late.

Solve the equation. X-9=-6x 5.a. 14
b. 7
c. 2
d. 21
Solve the equation 0.6 ( Y +3)=4.8 OK. Five
Solve the equation -6p-21=3p-12
a. 1
b. 3
c. -3
d. -1
What is the solution of the equation 3 = B+ 3

Answers

Q1.
x-9=-6x+5
x=-6x+14
7x=14
x=2

Q2.
0.6(y+3)=4.8
y+3=8
y=5

Q3.
-6p-21=3p-12
-21=9p-12
-9=9p
-1=p

Q4.
3=b+3
0=b

Katie says when n=3 the answer to 4n2=144jack says when n=3 the answer to 4n2=36who is correct and why?

Answers

JACK IS CORRECT.

4n²= 36 when n=3, not 144.

It is because you have to power up first, then you should multiply. But Katie did the opposite, so she was wrong.

How to find the inverse of the function f(x)=2x-3 ? Please

Answers

$f(x)=2x-3\n\ny=2x-3\n\n-2x=-y-3\ \ \ \ /:(-2)\n\nx=(1)/(2)y+(3)/(2)\n\nf^(-1)(x)=(1)/(2)x+(3)/(2)$

f(x)=2x-3
y=2x-3
x=(y+3)/2

f⁻¹(x) = (x+3) / 2

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