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Leona [35]
3 years ago
9

Solve the equation. Check your answer. If necessary, round to 3 decimal places In ( 4x - 1) =36 x=

Mathematics
2 answers:
dangina [55]3 years ago
8 0

Answer:

x = 9.25

Step-by-step explanation:

(4x - 1) = 36

4x - 1 = 36

4x = 36 +1

4x = 37

x = 37/4

x = 9.25

Gala2k [10]3 years ago
5 0

Answer:

x ≈1077807886778799

Step-by-step explanation:

In ( 4x - 1) =36

Raise each side to the base e to get rid of the ln

e^In ( 4x - 1) =e^36

4x-1 = e^36

Add 1 to each side

4x-1 +1 = 1+e^36

4x = 1+e^36

Divide by 4

4x/4 = (1+e^36)/4

x =(1+e^36)/4

Approximating x

x ≈1077807886778799

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zysi [14]

Answer:

Number 5 is D

Number 6 is A

3 0
3 years ago
When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C room its temperature has incr
Andrews [41]

Answer:

  (a)  13.85 °C

Step-by-step explanation:

The temperature difference is a decaying exponential function of time. Here, it decreases from an initial difference of 15 °C to 10 °C after 25 minutes. So, that temperature difference can be modeled as ...

  ΔT = 15(10/15)^(t/25)

We want to find the value of this at t=55. It is ...

  ΔT = 15(2/3)^(55/25) ≈ 6.15

This is the amount the temperature of the drink is below room temperature.

  drink temperature = (20 - 6.15) °C = 13.85 °C

The temperature of the drink after 55 minutes is about 13.85 °C.

3 0
3 years ago
These are the fees for sending a package by Media Mail: $2.41 for the first pound $0.41 per additional pound for the next six po
den301095 [7]
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The package of books weights 15 pounds...
3 0
3 years ago
Meg skateboards One-fourth of a mile in One-half of an hour. At this rate, how far will she skateboard in an hour?
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Answer: i'm pretty sure Meg would have skated 1/2 of a mile in an hour

7 0
3 years ago
Read 2 more answers
Don't get this
kap26 [50]
I'll talk you through it so you can see why it's true, and then
you can set up the 2-column proof on your own:

Look at the two pointy triangles, hanging down like moth-wings
on each side of 'OC'.

-- Their long sides are equal,  OA = OB, because both of those lines
are radii of the big circle.

-- Their short sides are equal, OC = OC, because they're both the same line.

-- The angle between their long side and short side ... the two angles up at 'O',
are equal, because OC is the bisector of the whole angle there.

-- So now you have what I think you call 'SAS' ... two sides and the included angle of one triangle equal to two sides and the included angle of another triangle.
(When I was in high school geometry, this was not called 'SAS' ... the alphabet
did not extend as far as 'S' yet, and we had to call this congruence theorem
"broken arrow".)

These triangles are not congruent the way they are now, because one is
the mirror image of the other one.  But if you folded the paper along 'OC',
or if you cut one triangle out and turn it over, it would exactly lie on top of
the other one, and they would be congruent.

So their angles at 'A' and at 'B' are also equal ... those are the angles that
you need to prove equal.
5 0
3 years ago
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