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3 years ago

HEY CAN ANYONE PLS ANSWER DIS MATH QUESTION RQ!!!

Mathematics

1 answer:

ikadub [295]3 years ago

3 0

Answer:

(3,3) (2,2) (1,1) (0,0) (-1,-1)

Step-by-step explanation:

the equation for this table will b y=x which is a linear equation and graph

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A sample of final exam scores is normally distributed with a mean equal to 23 and a variance equal to 16. Part (a) What percenta

deff fn [24]

Answer:

Let X = score of final exam.

X~normal(23, 16)

(a)

percentage of score between 19 and 27

= P(19 < X < 27)

= P((19-23) / sqrt(16) < Z < (27 - 23) / sqrt(16))

= P(-1 < Z < 1)

= 1 - P(Z <= -1) - P(Z >= 1)

= 1 - P(Z >= 1) - P(Z >= 1)

= 1 - 2*P(Z >= 1)

= 1 - 2(0.1587)

= 0.6826

= 68.26%

According to Normal Distribution Table

P(Z>=1) = 1 - P(Z<1) = 1-0.8413

So the final percentage is 68.26%

7 0

4 years ago

Is {(3,4),(3,5),(4,4), (4,5)} a function

Sholpan [36]

Answer:

No, it's not a function.

Step-by-step explanation:

This is not a function because the x-inputs repeat. It would be a function if each x-input was a different number, but the inputs 3 and 4 repeat twice. Therefore, this is not a function.

3 0

3 years ago

Read 2 more answers

Identify and solve the inequality that represents how many $20 bills, n, you can withdraw from the account without going below t

Alex Ar [27]

Answer:

$100 + 20n \leq 230$

$n \leq 6$

Step-by-step explanation:

Given

$Balance = \$230.00$

$Minimum = \$100$

$Withdrawal = \$20\ each$

Required

Represent using an inequality and solve

Let the number of dollars be represented by n

If 1 withdrawal is $20 bill

n withdrawals would be $20n bills

The total withdrawal and the minimum balance must be less than or equal to the available balance.

So, this gives

$Minimum + Total\ Withdrawal \leq Available\ Balance$

Substitute values for each of these

$100 + 20n \leq 230$

Solving for n

$20n \leq 230 - 100$

$20n \leq 130$

Divide through by 20

$n \leq 6.5$

But n can not be decimal because it represents number of dollar bills , which must always be an integer.

So, we round down the value of n

$n \leq 6$

4 0

3 years ago

Which of the following graphs shows the solution to the system of equations? y=5x-1 y=x+3

raketka [301]

Answer:

sorry,but there is no graph ...its difficutlt to say u the ans

7 0

3 years ago

Put these frm least to greatest 100%, 1/100, 0.001%, 1/10, 0.001, 1.1, 10, and 10,000/100

boyakko [2]

Answer:

0.001%, 0.001, 1/100, 1/10, 100%, 1.1, 10, 10,000/100.

Step-by-step explanation:

Convert to decimals:

= 1, 0.01, 0.00001, 0.1, 0.001, 1.1, 10 100

So in least to greatest it is

0.00001, 0.001, 0.01, 0.1, 1, 1.1, 10, 100

Converting back to the original forms:

= 0.001%, 0.001, 1/100, 1/10, 100%, 1.1, 10, 10,000/100.

7 0

3 years ago

Read 2 more answers