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3 years ago

12

if a plate of car consists of two letters and four digits and one car is chosen at random, then find the probability that the ca

r has the letters at the beginning and at the end.

1 answer:

Luba_88 [7]3 years ago

7 0

Answer:

if u take 1 degree to 78 its answer is 79

Step-by-step explanation:

got it?

You might be interested in

William has three $10 bills and four $1 bills in his wallet. What is the probability that he will reach into his wallet twice an

bulgar [2K]

Answer:

Step-by-step explanation can’t because he might pull out more than 10 dollars or less than 10 dollars.

7 0

3 years ago

Lincoln invested $49,000 in an account paying an interest rate of 6\tfrac{1}{8}6

Orlov [11]

Using compound interest and continuous compounding, it is found that Lincoln would have $15,856 more in his account than Eli.

<h3>What is compound interest?</h3>

The amount of money earned, in compound interest, after t years, is given by:

$A(t) = P\left(1 + \frac{r}{n}\right)^{nt}$

In which:

A(t) is the amount of money after t years.

P is the principal(the initial sum of money).

r is the interest rate(as a decimal value).

n is the number of times that interest is compounded per year.

Hence, for Lincoln, we have that the parameters are as follows:

P = 49000, r = 0.06125, n = 365, t = 20.

Hence the amount will be of:

$A_L(t) = P\left(1 + \frac{r}{n}\right)^{nt}$

$A_L(20) = 49000\left(1 + \frac{0.06125}{365}\right)^{365 \times 20}$

$A_L(20) = 166787$

<h3>What is continuous compounding?</h3>

The amount is given by:

$A(t) = Pe^{rt}$

For Eli, we have that r = 0.05625, hence the amount will be given by:

$A(t) = Pe^{rt}$

$A_E(20) = 49000e^{0.05625 \times 20} = 150931$

<h3>What is the difference?</h3>

It is given by:

$D = A_L(20) - A_E(20) = 166787 - 150931 = 15856$

Lincoln would have $15,856 more in his account than Eli.

More can be learned about compound interest at brainly.com/question/25781328

6 0

3 years ago

For males in a certain town, the systolic blood pressure is normally distributed with a mean of 130 and a standard deviation of

valina [46]

Average systolic blood pressure = x = 130
Standard deviation = s = 6

We are to find interval that represents the systolic blood pressure of middle 99.7% of the males.

According to the empirical rule:
a) 68% values lie within 1 standard deviation of the mean
b) 95% values lie within 2 standard deviation of the mean
c) 99.7% values lie within 3 standard deviation of the mean

So, 99.7% value will lie within 3 standard deviations from the mean.

We can express this range as:
( x - 3s, x + 3s)
= (130 - 3(6), 130 +3(6))
= ( 130 - 18, 130 + 18)
= ( 112, 148 )

Thus the interval from 112 to 148 contains the systolic blood pressure of middle 99.7% of the males in the certain town

5 0

3 years ago

Help me pleaseeeeeeeeee

sladkih [1.3K]

Answer:

I believe its B or C

Step-by-step explanation:

Im sorry if its wrong, if its right can you mark me brainliest?

6 0

3 years ago

Kona wants to bake at most 30 loaves of banana bread and nut bread for a bake sale. Each loaf of banana bread sells for $2.50, a

Inga [223]

Answer:

The system of inequalities that models the situation is

$x+y \leq 30$

$x(2.50) +y(2.75) \geq 44$

Step-by-step explanation:

Given:

Total number of banana bread and nut bread must be atmost 30

Cost of one banana bread = $2.50

Cost of one nut bread = $2.75

Kona wants to make at least $44

To Find:

The system of inequalities models the situation

Solution:

Let the number of banana bread loaves be x

Let the number of nut bread loaves be y

Then kona wants to make at most 3 loaves of bread,

So

$x+y \leq 30$ -----------------(1)

Then By selling one banana braed to $2.50, and each loaf of nut bread sells for $2.75,Kona wants to make at least $44.

$x(2.50) +y(2.75) \geq 44$ ---------------------(2)

4 0

3 years ago