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3 years ago

Please help ASAP!!!!!!!!!!

Mathematics

1 answer:

zheka24 [161]3 years ago

5 0

Answer:

D. Angle P, Angle OPQ, Angle QPO

Step-by-step explanation:

The angle is at P so P must be either between the two other letters or be by itself so D is the correct answer.

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I need plz help fast

Bad White [126]

Answer:

Step-by-step explanation:

24a²b³ - 28a⁵b³

apply exponential rule:

24a²b³ - 28a²a³b³

re-write 24 as 6*4 and -28 as 7*4

6*4a²b³ + 7*4a²a³b³

factor common terms

-4a²b³ (-6+ 7a³)

3 0

2 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:

$\displaystyle{\int^{\infty}_0 {50e^{-0.04t}}\, dt}=1250$

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

Elapsed time is 5hours & 51 minutes. End time is 8:50 a.m. what is the start time?

Ket [755]

Easy, 2:59 would be the start time.

6 0

3 years ago

Read 2 more answers

The quotient of fifteen and the product of two times x

snow_lady [41]

30 just multiply 15 times 2 your welcome

8 0

3 years ago

Write the equation in standard form. x = -4y + 8 *

Vsevolod [243]

Answer:

x+4y=8

Step-by-step explanation:

graph shown below

8 0

2 years ago