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erik [133]
2 years ago
12

Reduce the equation x+y-7=0 to normal form

Mathematics
1 answer:
jeka57 [31]2 years ago
6 0

Answer:

y =  - x + 7

Step-by-step explanation:

the \: normal \: form \: s \: the \: standard \: form \to \\ therefore \: x + y - 7 = 0 \to \\ is \to \: y =  - x + 7

♨Rage♨

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4 0
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What are the x and y intercept for the graph of 4x - 3y = -12
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Answer:

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Step-by-step explanation:

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3 years ago
Radioactive Waste The rate at which radioactive waste is entering the atmosphere at time t is decreasing and is given by Pe^-kt,
Dmitry_Shevchenko [17]

Answer:

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Step-by-step explanation:

Given:

T =\displaystyle{\int^{\infty}_0 {Pe^{-kt}} \, dt}

where,

T = total amount of waste

P = 50, the initial rate

k = 0.04

t = time

T =\displaystyle{\int^{\infty}_0 {50e^{-0.04t}} \, dt}

now we need to solve this integral!

T =\displaystyle{50\int^{\infty}_0 {e^{-0.04t}} \, dt}

T = \left|50\left(\dfrac{e^{-0.04t}}{-0.04}\right)\right|^{\infty}_0

T = \left|-1250e^{-0.04t}\right|^{\infty}_0

T = (-1250e^{-0.04(\infty)})-(-1250e^{-0.04(0)})

when any number has a power of negative infinity it is 0. because: a^-{\infty} = \dfrac{1}{a^{\infty}} = \dfrac{1}{\infty} = 0, like something being divided by a very large number!

T = (-1250(0))-(-1250e^0)

T = 1250

this is the total amount of waste

6 0
3 years ago
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andrew-mc [135]

answer:

A is the answer because you need to divide it and add it together and then u get 3.25 which is also a fraction for 3/4

6 0
3 years ago
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