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2 years ago

Please help i need answer and explanation.

Mathematics

2 answers:

allsm [11]2 years ago

6 0

Answer:

m<TVZ = 95

Step-by-step explanation:

2x+15+2x+5= 180

4x+20 =180

-20 -20

4x=160

x= 40

2x+15= m<TVZ

2(40)+15 = m<TVZ

80+15 = m<TVZ

95 = m<TVZ

To check:

2x+5= <WVZ

2(40)+5 = <WVZ

80+5 = <WZV

85+95 = 180

The two angles together should equal 180. Comment if you have any questions :)

Kisachek [45]2 years ago

4 0

Answer:

95 degree

Step-by-step explanation:

Step 1 ) 2x+15 vertical opp angle with missing angle and 2x +5 an be added to one another, when - 180 degree = 0 as we need to divide total for x into 180 to find the value

Step 2)

2x+15 + 2x+ 5 - 180 = 0

4x+ 20 -180 = 0

4x-160 = 0

4x=160

x =160/4

x =40 degree

Step 3) Find the degree value of 2x+ 15 = 2(40) + 15 = 80+15 = 95

Step 4) You an also prove 180 degree total of 2x+ 5 = 2(40) + 5 = 80+5 = 85 where 95+85= 180

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Step-by-step explanation:

Part a

For this case we can assume the proportional model given by:

$\frac{dC}{dt} = rC$

And for this case we can rewrite the model like this:

$\frac{dC}{C} = r dt$

If we integrate both sides we got:

$ln C = rt + k$

If we use exponentials for both sides we got:

$C = e^{rt} e^k = C_o e^{rt}$

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So then our model would be given by:

$C(t) = 100 e^{-0.16 t}$

Where t represent the number of hours

Part b

For this case we can replace the value t=5 into the model and we got:

$C(5) = 100 e^{-0.16*5}= 44.9329$

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3 years ago

If anyone knows please help asap!!

sleet_krkn [62]

Answer:

Step-by-step explanation:

it is undefined because its a vertical line.

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