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Lerok [7]
3 years ago
7

Any help I rlly don’t get this and I need help

Mathematics
1 answer:
RUDIKE [14]3 years ago
8 0
The number of favorable outcomes is the the number of the outcome she wants. She wants a silver car. In her table, 36 cars are silver.
a. 36

The total number of trials is the sum of the all numbers of cars.
12 + 9 + 32 + 42 + 36 + 1
b. 132

The experimental probability of an event is the number of desired outcomes divided by the total number of outcomes.
c. p(silver car) = 36/132 = 3/11

d.
An event takes place, and there are only two possible outcomes.
If the probability of one event happening is x, then the probability of the other event happening is 1 - x.

Think of this situation as only two possible outcomes.
Either a silver car passes or a non-silver car passes.
The probability of a silver car passing is 3/11.
Then the probability of a non-silver car passing is 1 - 3/11.
1 - 3/11 = 11/11 - 3/11 = 8/11
You might be interested in
a village is 20 miles away from Belfast. Connor drives from the village to Belfast at an average speed of 40mph. Kelly drives fr
Lemur [1.5K]

Answer:

6 minutes

Step-by-step explanation:

Connor drives from the village to Belfast at an average speed of 40mph.

The distance covered is 20 miles.

Time = distance/ speed

Time = 20/40

Time = 0.5 hours

Time = 30 minutes.

Kelly drives from the village to Belfast at an average speed of 50mph.

Time = distance/speed

Time = 20/50

Time = 0.4 hours

Time = 24 minutes

It will take Conor 30 - 24 = 6 minutes longer than Kelly

6 0
3 years ago
Travis took out a six-year loan with a principal of $15,000. He made monthly payments of $225 for the entire period, at which po
jeka94
To calculate this you need to multiply 225 by how many months,
6 * 12 = 72,
And so 225 * 72 = $16,200,

To find interest, minus the amount paid by the amount loaned:
16,200 - 15,000 = 1200, so the interest was $1200.

Hope this helps.
3 0
3 years ago
Read 2 more answers
Solve for x 2/x+1/2=3/4
charle [14.2K]
X in the equation 2/X+1/2=3/4 equals 8

We can find this by first finding the common denominator of 1/2 and 3/4 which is 2/4.

Then we can ask, 2/4+?=3/4

By asking this question we can find out that 2/4+1/4=3/4

With this new knowledge we can now ask 2/?=1/4. Which will lead us to the answer 8.

4 0
3 years ago
Vanessa bought a house for $268,500. she has a 30 year mortgage with a fixed rate of 6.25%. vanessa’s monthly payments are $1,59
Andrej [43]

Based on the calculation below, the amount of vanessa’s down payment is $9,314.45.

<h3>Calculation of down payment</h3>

First, we have to calculate the balance after deducting vanessa’s down payment using the formula for calculating the present value (PV) of an ordinary annuity as follows:

PV = P * ((1 - (1 / (1 + r))^n) / r) …………………………………. (1)

Where;

PV = Present value or balance after deducting vanessa’s down payment = ?

P = Monthly payment = $1,595.85

r = Monthly interest rate = 6.25% / 12 = 0.0625 / 12 = 0.00520833333333333

n = number of months = 30 * 12 = 360

Substitute the values into equation (1), we have:

PV = $1,595.85 * ((1 - (1 / (1 + 0.00520833333333333))^360) / 0.00520833333333333) = $259,185.55

Now, the amount of vanessa’s down payment can be calculated as follows:

Vanessa’s down payment = Cost of the house – PV = $268,500 - $259,185.55 = $9,314.45

Learn more about the present value of an ordinary annuity here: brainly.com/question/17112302.

#SPJ4

7 0
2 years ago
Agnes encoded a message using a mathematical formula. The table below shows her code numbers for the first four letters. Which o
castortr0y [4]

Replace x in each equation and solve to see if it equals the Y value in the table.

Doing this for all 4 letters, the correct equation is B y =3x+4

8 0
3 years ago
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