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3 years ago

What all sets does 4/5 belong too? Natural, whole, integer, rational, irrational, real?

Mathematics

2 answers:

Lera25 [3.4K]3 years ago

7 0

Answer:

Real, rational

Step-by-step explanation:

Zinaida [17]3 years ago

7 0

Answer:

rational number

Step-by-step explanation:

Because it is a fraction with a numarator and demonator that are whole numbers.

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21+19=40;19+21=40 a commutative property or associative property

Nikolay [14]

Answer:

it is a commutative property

7 0

2 years ago

Using the Binomial Probability table, find P(X) when n = 7, X < 3, and p = 0.5 A. 0.273 B. 0.500 C. 0.227 D. 0.773

Nat2105 [25]

Answer:

0.227

Step-by-step explanation:

Given that X is binomial with n=7 and p =0.5

To find the probability for P(X<3)

i.e. we have to find prob as =P(x=0,1,2)

=P(X=0)+P(X=1)+P(x=2)

P(X=r)=7Cr(0.5)^7

Using binomial table we find prob

P(X<3)=0.2265

Round off this to 3 decimals as

0.227

Hence answer is 0.227

8 0

3 years ago

If a function is defined by the formula y equals 2x + 1 + that domain is given by the set 3, 5, 7, 9 then which set represents t

Mariulka [41]

Answer:

{7, 11, 15, 19}

Step-by-step explanation:

The function is defined by the formula y = 2x + 1 ........ (1)

Now, domain of the function are given to be {3, 5, 7, 9}

Hence, from equation (1), at x= 3, y = 2 × 3 + 1 = 7

Now, at x = 5, y = 2 × 5 + 1 = 11

Again, at x = 7, y = 2 × 7 + 1 = 15

Finally, at x = 9, y = 2 × 9 + 1 = 19

Therefore, the range of the corresponding domain of this function is given to be {7, 11, 15, 19}. (Answer)

8 0

3 years ago

Hey guys I need some help with #7 so if anyone could help that would be great THANK YOU!!

iVinArrow [24]

The average rate of change obtained from the ratio of change in y to the change in x is 27

The average rate of change can be obtained using the relation :

Rate of change = (y2 - y1) ÷ (x2 - x1)

at; x1 = -3

y1 can be calculated from the function ;

y1= 3(-3³)-1

y1=-82

At ; x2 = 3

y2 can be calculated from the function ;

y2 = 3(3³)-1

y2=80

The rate of change can be calculated thus : (y2 - y1) ÷ (x2 - x1)

[80-(-82)]/[3-(-6])

162/6

Learn more about the average rate of change here:

brainly.com/question/18550782

#SPJ1

8 0

1 year ago

To the nearest 0.01 degree, what angle of descent (angle of depression) must a plane 50 horizontal miles from the airport and at

HACTEHA [7]

20,000÷50=
$20000 \div 50 = 400ft$
The plane needs to descend at 400 ft per mile.

At 40 degrees?

4 0

3 years ago