iivibxsii iivibxsii

04-03-2021
Mathematics

contestada

please heLP I dont know any of this sadly.

please heLP I dont know any of this sadly class=

Respuesta :

rahmant rahmant

04-03-2021

Answer:

D

Step-by-step explanation:

pi = 3.14

r = 3

3.14 x 3x^2

= 28.26x^2

Answer Link

ArmyForever972 ArmyForever972

04-03-2021

The answer :

the last one

Step-by-step explanation:

diameter = 6x so radius = 3x

3.14 * 3x * 3x = 28.26 x

Answer Link

Otras preguntas

A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine

Who lived in America before the Europeans arrived?

Which two earth layers are separated by the moho boundary?

A sample of a substance has these characteristics: • melting point or 9811 K • hard. brittle solid at room temperature • poor conductor of heat and electricity

Which ion has the smallest radius? (1) O2- (2) S2- (3) Se2- (4) Te2-

Which clement is a liquid at STP? (1) bromine (3) francium (2) cesium (4) iodine

Given the balanced equation representing a reaction: H2O + HCl ==> H3O+ + Cl- According to one acid-base theory, the H2O molecule (1) accepts H+ ions (3

Which compound is classified as a hydrocarbon? (1) butanal (3) 2-butanol (2) butyne (4) 2-butanone

Log (10-4x) = log (10-3x)

Given the balanced ionic equation: 3Pb2+ + 2Cr ==> 3Pb + 2Cr3+ What is the number of moles of electrons gained by 3.0 moles of lead ions? (1) 5.0 mol (3)