3 years ago

Pls help is due tomorrow and if u help i will give u brainliest

Mathematics

1 answer:

Reil [10]3 years ago

6 0

Answer:

Search it up

Step-by-step equation:

Just search up the website at the bottom of the paper.

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True or False<br> 5/2 + (- 2.5) is negative.

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This is false, it is not negative because the answer is 0.

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3 years ago

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Plz help me I don’t understand this

Firlakuza [10]

The answer should be 31/10

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The voltage V in a simple electrical circuit is slowly decreasing as the battery wears out. The resistance R is slowly increasin

hoa [83]

Answer:

$\frac{dI}{dt}=-0.00016 A/s$

Step-by-step explanation:

We are given that

By ohm's law

$V=IR$

R=389 ohm

I=0.03 A

$\frac{dV}{dt}=-0.06V/s$

$\frac{dR}{dt}=0.07ohm/s$

We have to find rate of change of current I means $\frac{dI}{dt}$

Differentiate the equation w.r.t t

$\frac{dV}{dt}=\frac{dI}{dt}R+I\frac{dR}{dt}$

Substitute the values then we get

$-0.06=\frac{dI}{dt}\times 389+0.03\times 0.07$

$-0.06=389\frac{dI}{dt}+0.0021$

$-0.06-0.0021=389\frac{dI}{dt}$

$-0.0621=389\frac{dI}{dt}$

$\frac{dI}{dt}=\frac{-0.0621}{389}=-0.000160 A/s$

Hence, the current I is changing at the rate=-0.00016A/s

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4 years ago

Four times the sum of some number plus 3 is equal to 8 times the number minus 12

Stells [14]

Answer: 4(x+3)= 8x-12

Step-by-step explanation:

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3 years ago

The product of two integers is 96. One of them is-12, find the other numbers

miss Akunina [59]

Answer:

-8

Step-by-step explanation:

let the other number be x

according to the question equation is

-12x = 96

x = 96/-12

x = -8

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3 years ago

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