Can somebody please help me. I have less then 10 mins to get the right answer

Mathematics

2 answers:

Dafna1 [17]3 years ago

8 0

the bottom cube = 5in

middle=4

top =5

5+4+5=14in

iVinArrow [24]3 years ago

5 0

The stack is 3 inches high, and thus has four vertical rectangular areas 3 by 1 in^2 each, which constitutes a total vertical surface area of 4(3 in^2), or 12 in^2. Twice the area of the base is 2(1 in^2) = 2 in^2.

Combine 12 in^2 and 2 in^2: 14 in^2 is the total surface area of this 3-d object.

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ololo11 [35]

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2 years ago

Read 2 more answers

In p.

ozzi

The circumference by definition is given by:
C = 2 * pi * r
Where,
r: radius of the circle.
Substituting values we have:
C = 2 * 3.14 * 16
C = 100.48 feet
Answer:
A measurement that is closest to the circumference of the parachute in feet is:
C = 100.48 feet

6 0

2 years ago

HELP ASAP THIS IS STRESSING ME OUT!

Alex73 [517]

The surface area of a right cylinder is the sum of the areas of the lateral face and the circular bases. The lateral face is really just a rectangle with the same height as the cylinder and a length equal to the circumference of the circular base.

If the radius of the base is $r$ and the height is $h$ , then the surface area of the cylinder is

$A=2\pi r^2+2\pi rh$

You're given that the area is $96\pi$ and the radius is $4$ , so you have

$96\pi=2\pi\times4^2+2\pi\times4h\implies 12=4+h\implies h=8$

6 0

2 years ago

NEED ANSWER FAST 11 POINTS!!!

AleksandrR [38]

Option 2 is your answer

Your numbers on the left are going across. Then the numbers on the top are going down

5 0

2 years ago

Solve for c.

nexus9112 [7]

First, divide by a to get c + b = d/a. Next, subtract the b to get c = d/a - b.

Optional:

c = d/a - ba/a = (d-ba)/a

5 0

2 years ago