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Answers

Answer 1

Answer:

Answer:

The first and 3rd are functions, but the second and fourth are not functions.

Step-by-step explanation:

To see if something is a function, use the vertical line test. If there are multiple y coordinates for a singular point for x, it is not a function.

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Probability of rolling factors of 24

Answers

Factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24 and rolling a 6-sided die you can get 1, 2, 3, 4, 5, 6 so 5 is the only thing you can roll that isn't a factor of 24 so

5/6 is the probability

Please tell me if the number are rational or irrational ill send you a request and thank you
the square root of 25
the square root of 225
the square root of 78
the square rot of 59
thanks in advance

Answers

$√(25)$ = 5 (perfect square ⇒ rational)
$√(225)$ = 15 (perfect square ⇒ rational)
$√(78)$ = 8.831760866 (irrational)
$√(59)$ = 7.681145748 (irrational)

A rational number can be expressed in the way a : b or $(a)/(b)$
An irrational number cannot be expressed this way!

The two attachments are just worth looking at

Two equivalent rational numbers of -13/9

Answers

Hello!

Answer:

$\Large \boxed{\sf -(26)/(18)~~ and~ -(52)/(36) }$

Step-by-step explanation:

→ We want two equivalent rational numbers of -13/9.

→ Let's convert the fraction -13/9:

$\sf -(13)/(9) = -(13* 2 )/(9* 2) = \boxed{\sf -(26)/(18) } = -(26* 2)/(18* 2) = \boxed{\sf -(52)/(36) }$

Conclusion:

-13/9 is equal to -26/18 which is equal to -52/36.

Answer:

-26/18 and -39/27

Step-by-step explanation:

-13/9 x 2/2 = -26/18

-13/9 x 3/3 = -39/27

If 3/2is a zero of the polynomial 2x²+kx-12, then find the value of

Answers

Step-by-step explanation:

I suppose you are looking for the value of 'k'

if 3/2 is a zero, then putting in ' 3/2' for x will make the equation = 0

2 (3/2)^2 + 3/2 k -12 = 0 solve for 'k'

18/4 + 3/2 k = 12

3/2 k = (12 - 18/4)

k = (12- 18/4) / (3/2) = 5

Classify the system of equations.2x = 5 - y
-3+y = -2x + 3
Click on the correct answer.
coincident
intersecting
parallel

Answers

Answer:

Parallel

Step-by-step explanation:

If an automobile travels 450 yards in 15 seconds, how many feet does it travel in 1/3 of a second?how do I calculate this problem?

Answers

You can calculate it from the formula for velocity
v= $(s)/(t)$
if it travels 450 yards in 15 seconds
s=450 yards t= 15s
1 yard = 3 feet so
s= 1350 feet
v= $(1350)/(15)=90 (feet)/(s)$
so if in one second it travels 90 feet, in $(1)/(3)$ of a second it travels $(90)/(3) =30$ feet

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