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2 years ago

A car traveled 180 miles at a constant rate.

Mathematics

1 answer:

ddd [48]2 years ago

7 0

I think answer should be the first one I hope this helps let me know if it’s correct or not okay thanks bye bye

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A short-course meter pool is 25 meters long. A short-course yard pool is 25 yards long. Which one is longer and by how much (in

ch4aika [34]

Answer:

short course meter pool and its longer by 7.021 feet or 7.02 ft

Step-by-step explanation:

if you do 25 yards times 3 you get 75ft and if you covert 25 meters into ft you get 82.021 so sutract 82.02-75=7.02. Hope this helps ;-)

3 0

2 years ago

2. 10,000-99,999 < 0<br> True<br> False

FromTheMoon [43]

Answer:

I think its false but iam not sure but you can try it

3 0

3 years ago

Helpppppp. (the other one cut out is multiplication property of equality)

Strike441 [17]

Answer:

The second step is Distributive Property and the third is Subtraction Property of Equality

Step-by-step explanation:

The 1/2 is being distributed in the second step making the 8x to 4x and the 6 to 3.

The third step involves the subtraction of "x" from the right hand side and the left hand side.

3 0

2 years ago

Find the inverse of the given relation. {(9, –10), (2, –2), (8, –7), (13, –13)}

aleksklad [387]

Answer:

The inverse of the relation is {(-10 , 9) , (-2 , 2) , (-7 , 8) , (-13 , 13)} ⇒ 3rd

Step-by-step explanation:

- The inverse relation is a relation that we switched their inputs and

outputs

- A relation R1 is the inverse of a relation R if y = R (x) then x = R1 (y).

- In R = f(x), x is the input and y is the output , in x = R1 (y), y is the input

and x is the output

- Ex: The inverse of the relation R(x) = {(-2 , 3) , (1 , 5) , (3 , 0)} is

R1(x) = {(3 , -2) , (5 , 1) , (0 , 3)}

* Lets solve the problem

- The relation is {(9 , -10) , (2 , -2) , (8 , -7) , (13 , -13)}

∵ x = 9 , 2 , 8 , 13

∵ y = -10 , -2 , -7 , -13

- To make the inverse relation we will switch x and y

∴ In the inverse relation

x = -10 , -2 , -7 , -13

y = 9 , 2 , 8 , 13

∴ The inverse of the relation is {(-10 , 9) , (-2 , 2) , (-7 , 8) , (-13 , 13)}

8 0

3 years ago

Find the equation of the line going through the points (2,-1) and (5,2) 3x 2y

anastassius [24]

Answer:

The equation of the line is:

$y = x - 3$

Step-by-step explanation:

The general equation of a straight line is given by:

$y = ax + b$

Being given two points, we can replace x and y, solve the system and find the values for a and b.

Solution:

The line goes through the point $(2,-1)$ . It means that when $x = 2, y = -1$ . Replacing in the equation:

$y = ax + b$

$-1 = 2a + b$

$2a + b = -1$

The line also goes through the point $(5,2)$ . It means that when $x = 5 y = 2$ . Replacing in the equation:

$y = ax + b$

$2 = 5a + b$

$5a + b = 2$

Now we have to solve the following system of equations:

$1) 2a + b = -1$

$2) 5a + b = 2$

From 1), we have:

$b = -1 - 2a$

Replacing in 2)

$5a - 1 - 2a = 2$

$3a = 3$

$a = \frac{3}{3}$

$a = 1$

$b = -1 - 2a = -1 - 2 = -3$

The equation of the line is:

$y = x - 3$

6 0

3 years ago