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Semenov [28]
2 years ago
11

Comment here for points

Mathematics
2 answers:
kvv77 [185]2 years ago
8 0

Answer:

comment here for points

Angelina_Jolie [31]2 years ago
7 0

ummmm, hiee...

whatsup

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Write cot θ in reduced fraction form. (Picture included)
aleksandr82 [10.1K]
Tangent theta = opp/adj = 48/36 = 4/3
8 0
3 years ago
Barbara made a bad investment. Rather than earning interest, her money is decreasing in value by 11% each week! After just one w
pochemuha

Answer: She started with $160.

It will take 6 weeks before she has less than half of what she originally invested.

Step-by-step explanation:

If her money is decreasing in value by 11% each week, it means that the rate at which it is decreasing is exponential.

We would apply the formula for exponential decay which is expressed as

A = P(1 - r)^t

Where

A represents the value of the investment after t weeks.

t represents the number of weeks.

P represents the initial value of the investment.

r represents rate of depreciation.

From the information given,

A = $142.40

r = 11% = 11/100 = 0.11

t = 1

Therefore

142.40 = P(1 - 0.11)^1

142.40 = P(0.89)

P = 142.4/0.89

P = 160

For her to have half of what she invested originally, then

80 = 160(0.89)^t

80/160 = (0.89)^t

0.5 = (0.89)^t

Taking log of both sides to base 10

Log 0.5 = log0.89^t = tlog0.89

- 0.3010 = - 0.051t

t = - 0.3010/- 0.051

t = 5.9

Approximately 6 weeks

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3 years ago
Use a two variable write an equation for the total number of boys and girls is 428
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X = girls
Y = boys

X + y = 428
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Place the indicated product in the proper location on the grid. (3x^2y^6)^7
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(3x²y⁶)⁷
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What is the mapping notation that will transform triangle ABC to triangle A'B'C'?
MissTica

Answer:

I cant see it so can u do something so i can see it plz

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