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Alinara [238K]
3 years ago
14

Please answer this ill give brainliest

Mathematics
1 answer:
Archy [21]3 years ago
7 0

<em>Answer:</em>

C. 5, because I-5I =5

Have a beautiful day!

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The value of a car after t years can be found using the formula V = C(1 - r)t, where V is the current value of the car, C is the
Stells [14]
The given formula is
V = C(1-r)^{t}

Therefore
(1-r)^{t} =  \frac{V}{C} \\\\ 1-r = ( \frac{V}{C} )^{1/t} \\\\ r = 1 - ( \frac{V}{C} )^{1/t}

Given:
C = $25,000
V = $12,000
t = 4.5 years

C/V = 0.48
1/t = 0.2222
Therefore
r = 1 - 0.48^{0.2222} = 0.1505 = 15.05\%

Answer: 15% (nearest integer)

8 0
4 years ago
at the cafe, Rebecca can choose to earn $10 per hour plus a $60 starting bonus or earn $12 per hour with no starting bonus. afte
qwelly [4]
Hi there! The answer is 30 hours.

Let the number of worked hours be represented by X.

The total earn of option 1, would then be 10X + 60
The total earn of option 2, would then be 12X

We end up with the following equation:
10x + 60 = 12x
Subtract 10X from both sides.

60 = 2x
Divide both sides by 2.

x = 30
Therefore, after 30 hours of work Rebecca will earn the same amount of money.
8 0
3 years ago
Asphere which has a diameter of 6 inches has a volume of:
earnstyle [38]

Answer:

9.42 cubic inches

Step-by-step explanation:

In order to find the volume for a sphere, we use the formula V = πr. For the sake of simplicity, we will be using 3.14 for π. Before we plug anything in, let's get our radius. Remember, the radius is half of the diameter.

Equation: d = 2r

Replace: 6 = 2r

Divide: 3 = r

Now that we have our radius, let's plug in what we have and solve.

Equation: V = 3.14r

Replace: V = 3.14(3)

Multiply: V = 9.42

Remember, volume is measured in cubic units, so use cubic inches for the unit here.

4 0
3 years ago
On a quiz there are four multiple-choice questions worth 3 points each and two true/false questions worth 1 point each. Each mul
Pani-rosa [81]

Answer: Expected value would be \dfrac{17}{5}

Step-by-step explanation:

Since we have given that

Number of multiple choice question = 4

Number of true false questions = 2

Number of points for each multiple choice question = 3

Number of points for each true false question = 1

Number of choices in multiple choice = 5

Probability of getting correct answer in multiple choice question = \dfrac{1}{5}

Probability of getting correct answer in true false question = \dfrac{1}{2}

Expected value of the student's score on the test would be

E(x)=\sum xp(x)\\\\E(x)=4\times 3\times \dfrac{1}{5}+2\times 1\times \dfrac{1}{2}\\\\E(x)=\dfrac{12}{5}+1\\\\E(x)=\dfrac{12+5}{5}=\dfrac{17}{5}

Hence, expected value would be \dfrac{17}{5}

3 0
4 years ago
Read 2 more answers
The cable company is analyzing the data from two satellite television providers to determine whether their users spend more time
Kamila [148]
Probability that a Satellite Company Y watches a recorded show 
<span>= Py(recorded) </span>
<span>= 94/159 </span>
<span>= 0.59119 </span>
<span>= 59.12% </span>
<span>≈ 59% (Rounded to the nearest percent)................ANS</span>
8 0
3 years ago
Read 2 more answers
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