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bekas [8.4K]
3 years ago
9

Plz help me only 11 minutes left

Mathematics
2 answers:
OleMash [197]3 years ago
7 0

Answer:

I believe it’s A. I’m sorry if it is incorrect!

Step-by-step explanation:

Advocard [28]3 years ago
3 0
Ya I think it’s A for the answe
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Last month maria purchased a new cell phone for $500. the store manager told her that her cell phone would depreciate by 70% eve
Aleksandr-060686 [28]

We have been given that last month Maria purchased a new cell phone for $500. The store manager told her that her cell phone would depreciate by 70% every 6 months.

We know that an exponential function is in form y=a\cdot (1-r)^x, where,

y = Final value,

a = Initial value,

r = Decay rate in decimal form,

x = Time in years.

Let us convert 70\% into decimal form.

70\%=\frac{70}{100}=0.70

Initial value of car is 500, so a=500.

Since value of phone depreciates every  months, so value of phone will depreciate twice in a year.

Upon substituting our given values in exponential decay function, we will get:

V=500(1-0.70)^{2x}

To find the value of phone after 2 years, we will substitute x=2 in our equation.

V=500(1-0.70)^{2(\cdot 2)}

V=500(1-0.70)^{4}

Therefore, option D is the correct choice.

Let us simplify our equation.

V=500(0.30)^{4}

Therefore, option B is correct as well.

5 0
3 years ago
how many different ways can a coach select the captain and co-captain of a team from a group of 20 people
Lisa [10]
20 different ways i think
7 0
3 years ago
Help me plz................
tigry1 [53]

Answer:

Step-by-step explanation:

6 0
2 years ago
A total of 430 dogs and people attend a fundraising dog walk. Altogether, 1210 legs participated in the walk. How many dogs were
meriva

1210÷4=302.5 and u can have a half of a dog so there would be 302

6 0
3 years ago
Find the volume of a right circular cone that has a height of 15.2 cm and a base with a diameter of 11.9 cm. Round your answer t
postnew [5]

9514 1404 393

Answer:

  563.5 cm³

Step-by-step explanation:

Use the formula for the volume of a cone:

  V = (1/3)πr²h

Recognize that the radius is half the diameter:

  r = (11.9 cm)/2 = 5.95 cm

  V = (1/3)π(5.95 cm)²(15.2 cm) ≈ 563.516 cm³

The volume of the cone is about 563.5 cm³.

_____

<em>Additional comment</em>

If you use 3.14 for the value of π, then the result will be 563.2 cm³.

3 0
3 years ago
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