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3 years ago

What division equation is related to the following multiplication equation 3 x 4 = 12

Mathematics

2 answers:

snow_tiger [21]3 years ago

5 0

Ur suppose to answer this ur self

julia-pushkina [17]3 years ago

5 0

12 divided by 4 = 3 or 12 divided by 3 = 4

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The train travels 31.2 miles in 52 minutes, how many miles will it travel in 60 minutes?

adell [148]

$\frac{31.2miles}{y52minutes}= \frac{x}{60minutes} 1872=52x
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$

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3 years ago

In 10,234,567,890 which digit is in the ten-millions place?

MaRussiya [10]

3 is the digit that is in the 10 millions place

8 0

2 years ago

Read 2 more answers

PLS HELP ME I NEED THIS FASTTT ON SHOW ALL YOUR WORK

11Alexandr11 [23.1K]

Answer:

I tried my best so I hope this helps :)

(look at the screenshots for the work I don't feel like typing it out)

Step-by-step explanation:

1.) the solution is $x=\frac{-3+\sqrt{30}}{3}\\$ , $x=-\frac{3+\sqrt{30}}{3}$

2.) the solution is $n=4,\:n=-1$

3.) the solution is $x=-4+\sqrt{26},\:x=-4-\sqrt{26}$

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

5 0

2 years ago

What is the step by step process of this problem? 6+2[-8-3(2x+4)]+10x

Romashka [77]

<u>So with more than one pair of parentheses, you must start from the inside and make your way outside.</u>

So firstly, distribute -3 to (2x + 4):

$6+2[-8-6x-12]+10x$

Next, combine like terms:

$6+2[-6x-20]+10x$

Next, distribute 2 to [-6x - 20]:

$6-12x-40+10x$

Lastly, combine like terms and <u>your final answer will be $-2x-34$ </u>

6 0

2 years ago

The population of a community is known to increase at a rate proportional to the number of people present at time t. The initial

krok68 [10]

Answer:

the initial population P₀ was 5938 people

Step-by-step explanation:

since the rate of increase of the population is proportional to the population itself, then the corresponding equation for a population P and time t is

dP/dt = k*P , where k= proportionality constant

dP/P = k*dt

∫dP/P =∫ k*dt

integrating between time t=0 (with P=P₀) and time t=t (with P=P)

ln (P/P₀)=k*t

if the population doubled , so P=2*P₀ at t=5 years then

ln (2*P₀/P₀)=k*5 years

k = ln 2 / 5 years

then the population is P=9000 for t= 3 years

ln (9000/P₀)=k*3 years

ln (9000/P₀)=ln 2 / 5 years *3 years

solving for P₀

P₀ = 9000 people * e^ (- ln 2 / 5 years *3 years ) = 9000 people *2 ^(-3 years / 5 years) = 5937.78 people ≈ 5938 people

therefore the initial population P₀ was 5938 people

7 0

3 years ago