Please answer fast will make brainlest

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

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in a certain city it was recorded at 16th and 2/7 inches of rain fell over 24 hour. How much rain fell per hour on average

Answers

0.0119047619 or 1/84 inches of rain/ hour. You divided 2/7 by 24 to get this answer.

Determine the slope and the y intercept . 4x+y=3 please help

Answers

Answer:

the slope is 4 and the y intercept is (0,-3)

Step-by-step explanation:

When working with this its best to remember y=mx+b, the slope will always be in front of the X. so for example 7x+y=5 ( not a real problem ) but the slope would be 7 because its in front of the X.

Trevor is preparing dinner plates. He has 18 pieces of chicken and 14 rolls. If he wants to make all the plates identical without any food left over, what is the greatest number of plates Trevor can prepare?

Answers

Answer:

split the four extra pieces into smaller pieces to were it will give each plate the same amount.

Step-by-step explanation:

James has $20.00 in his checking account. He goes to the bank and withdraws $20.00. How much money does James have in his account immediately after withdrawing the $20.00?

Answers

Answer:

$0.00

Step-by-step explanation:

$20.00-$20.00=$0.00

Let S = {a, b, c). Find the following:a) the number of reflexive relations on S

b)the number of reflexive and symmetric relations on S

Answers

Answer:

The number of reflexive relations on S is 64.

The number of reflexive and symmetric relations on S is 8.

Step-by-step explanation:

Consider the provided set S = {a, b, c}.

The number of elements in the provided set is 3.

Part (a) the number of reflexive relations on S

To calculate the number of reflexive relation on S we can use the formula as shown:

Total number of Reflexive Relations on a set: $2^(n(n-1))$ .

Where, n is the number of elements.

In the provided set we have 3 elements, so substitute the value of n in the above formula:

$2^(3(3-1))$

$2^(3(2))$

$2^(6)$

$64$

Hence, the number of reflexive relations on S is 64.

Part(b) The number of reflexive and symmetric relations on S.

To calculate the number of reflexive and symmetric relation on S we can use the formula as shown:

Total number of Reflexive and symmetric Relations on a set: $2^{(n(n-1))/(2)}$ .

Where, n is the number of elements.

In the provided set we have 3 elements, so substitute the value of n in the above formula:

$2^{(3(3-1))/(2)}$

$2^{(3(2))/(2)}$

$2^{(6)/(2)}$

$2^(3)$

$8$

Hence, the number of reflexive and symmetric relations on S is 8.

From 1985 to 2007, the number B B of federally insured banks could be approximated by B ( t ) = − 329.4 t + 13747 B(t)=-329.4t+13747 where t is the year and t=0 corresponds to 1985. How many federally insured banks were there in 1990?

Answers

The number of federally insured banks in the year 1990 was 12,100.

Given data:

To find the number of federally insured banks in the year 1990, you need to substitute the value of t = 1990 into the given function B(t):

B(t) = -329.4t + 13747

Since t corresponds to the year and t = 0 corresponds to 1985, we need to calculate for t = 1990 - 1985.

t = 5.

Substitute t = 5 into the function:

B(5) = -329.4 * 5 + 13747

Now, perform the calculations:

B(5) = -1647 + 13747

B(5) = 12100

Hence, there were approximately 12,100 federally insured banks in the year 1990.

To learn more about linear equations, refer:

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Final answer:

Using the given equation and by substituting t with 5 (for the year 1990, five years after 1985) in that equation, we find that there were 13363 federally insured banks in 1990.

Explanation:

The question is asking how many federally insured banks there were in 1990, given that the number of banks in any given year from 1985 to 2007 is given by the equation

B(t) = -329.4t + 13747

. In this equation,

is the year with t=0 corresponding to 1985. To find the answer, we should substitute in the appropriate value of t, which would be 5 because 1990 is five years after 1985. Thus, the equation becomes B(5) = -329.4*5 + 13747. This simplifies to 15010 - 1647, which equals

13363

. Therefore, there were 13363 federally insured banks in 1990.

Learn more about Mathematical modeling here:

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