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3 years ago

In your own words, explain

Mathematics

1 answer:

Nutka1998 [239]3 years ago

8 0

Answer:

a 2d is basically something that is flat, or like a graph. it doesnt have a volume.

a 3d is something that has a volume, it has sides and front and back.

2d ex; a graph on paper

3d ex; a square or rectangular box

Step-by-step explanation:

hope it helps

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A water tank has a square base of area 5 square meters. Initially the tank contains 70 cubic meters. Water leaves the tank, star

ANEK [815]

Answer:

$9.2\ \text{m}$

Step-by-step explanation:

$b$ = Surface area of base = 5 square meters

Volume of water in tank = 70 cubic meters

The rate at which the volume is reducing is

$\dfrac{dV}{dt}=2+4t\\\Rightarrow dV=2+4tdt$

Integrating from $t=0$ to $t=3$

$V=\int^3_0(2+4t)dt\\\Rightarrow V=2t+2t^2|_0^3\\\Rightarrow V=2\times 3+2\times 3^2-0\\\Rightarrow V=24$

Volume of water remaining in the tank is $70-24=46\ \text{m}^3$

Suface area of base $\times$ depth = Volume

$5\times d=46\\\Rightarrow d=\dfrac{46}{5}\\\Rightarrow d=9.2\ \text{m}$

The depth of the water remaining in the tank is $9.2\ \text{m}$ .

3 0

3 years ago

232 - 47 equals to?? a simple subtraction question, just a dot in your vast amount of answered questions but please help me out!

mote1985 [20]

232 - 47 = 185 !
So the answer is 185..

5 0

3 years ago

Read 2 more answers

Given: sin(x-y) -) 2 1. = cos( 17 - (x - 1) 2. = cos(I – (x+y] ( 1 / ] 3. = cos(( 1 - x)+Y [1 V 4. = cos(1 - x)-(-1] [- 5. = cos

polet [3.4K]

Answer:

qazsxdcfg

Step-by-step explanation:

7 0

2 years ago

Help please i need answers fast if you help or try to help tysm *hearts*

Tanzania [10]

Answer:

C. 3rd one Fraction 10/24

Step-by-step explanation:

3/4 - 2/6 = 0.41 or = 10/24 or it could be equal to 5/12 are 10/24, 15/36, 20/48 and 25/60 or as Decimal 0.41

Step-by-step explanation:

Hope This Helped

7 0

2 years ago

A new cell phone is on sale for 40% off its original price. The sale price is $48.

Yakvenalex [24]

The answer is $120, because you do;

0.40x = 48
YOU DIVIDE 48 ÷ 0.40 = 120
YOU'RE WELCOME ;)

8 0

3 years ago