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3 years ago

72 grams equals how many miligrams

Mathematics

2 answers:

Liula [17]3 years ago

8 0

72000...............

vlabodo [156]3 years ago

4 0

The answer would be 72000 milligrams

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Each leg of a 45°-45°-90° triangle measures 12 cm what is the hypoyenuse

lubasha [3.4K]

To find the hypotenuse in a 45-45-90 triangle multiply the legs by $\sqrt{2}$
So...
The leg is 12 the hypotenuse is 12 $\sqrt{12}$

5 0

3 years ago

Only number one please help

Alex73 [517]

Answer:

C) 75 + 50x = 25 + 70x

Step-by-step explanation:

ABC Tech:

$50 an hour. So,for x hours= 50 * x = 50x

Service charge = 75 + 50x

Tech Squad:

$70 an hour. So,for x hours= 70 * x = 70x

Service charge = 25 + 70x

C) 75 + 50x = 25 + 70x

50x - 70x = 25 - 75

-20x = -50

x = -50/-20

x =5/2 = 2 $\frac{1}{2}$ hours

6 0

3 years ago

Can you simplify the below equation<br><br> <img src="https://tex.z-dn.net/?f=%5Csqrt%7B%28%5Csqrt%7B21%7D%20-2%5Csqrt%7B7%7D%29

NemiM [27]

Answer:

nope

Step-by-step explanation:

literally impossible

5 0

3 years ago

1/2-1/3 need help with this problem

jeka57 [31]

Answer: 1/6

Step-by-step explanation:

Common denominator is 6 the 1/2 is. 3/6

the 1/3 is 2/6

Subtract. You get 1/6

4 0

3 years ago

Read 2 more answers

A solution initially contains 200 bacteria. 1. Assuming the number y increases at a rate proportional to the number present, wri

GuDViN [60]

Answer:

1. $\frac{dy}{dt}=ky$

2.543.6

Step-by-step explanation:

We are given that

y(0)=200

Let y be the number of bacteria at any time

$\frac{dy}{dt}$ =Number of bacteria per unit time

$\frac{dy}{dt}\proportional y$

$\frac{dy}{dt}=ky$

Where k=Proportionality constant

2. $\frac{dy}{y}=kdt$ ,y'(0)=100

Integrating on both sides then, we get

$lny=kt+C$

We have y(0)=200

Substitute the values then , we get

$ln 200=k(0)+C$

$C=ln 200$

Substitute the value of C then we get

$ln y=kt+ln 200$

$ln y-ln200=kt$

$ln\frac{y}{200}=kt$

$\frac{y}{200}=e^{kt}$

$y=200e^{kt}$

Differentiate w.r.t

$y'=200ke^{kt}$

Substitute the given condition then, we get

$100=200ke^{0}=200 \;because \;e^0=1$

$k=\frac{100}{200}=\frac{1}{2}$

$y=200e^{\frac{t}{2}}$

Substitute t=2

Then, we get $y=200e^{\frac{2}{2}}=200e$

$y=200(2.718)=543.6=543.6$

e=2.718

Hence, the number of bacteria after 2 hours=543.6

4 0

3 years ago