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Oxana [17]
3 years ago
6

If x and y are both integers, which expression(s) are equivalent to ||x – y||?

Mathematics
1 answer:
muminat3 years ago
8 0
B is the answer to this
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Solve the following system of linear equations.<br> 3x + 6y = 18<br> - 3x + 6y = – 18
Dahasolnce [82]
I am not really sure
3 0
3 years ago
In a cookie mix, we find chocolate chip cookies, walnut cookies, and ginger cookies in a ratio of
Nana76 [90]

Answer:

Step-by-step explanation:

1x = number of chocolate chip cookies

3x = number of walnut cookies

5x = number of ginger cookies

5x = 40

x = 8

Total cookies = 1x+3x+5x = 72

4 0
3 years ago
PLEASEEE HELP ASAP! *grade 9 work* and show your work!!
lidiya [134]

Answer:

at 0  the amount is 5

1 is 7.5

2 is 10

3 is 12.5

the initial value is the y intercept when the value ox x=0

the initial value is 5

the rate of change is the total change of a function of the out put (y) divided by the change of the input (x)

f(x2)-f(x1)/x2-x1

10-7.5/2-1

2.5/1=2.5

or m=y2-y1/x2/x1=10-7.5/2-1=2.5

y=2.5x+5

5 0
3 years ago
Two families are planning a trip to Disney. The Smith family bought tickets for 2 adults and 3 children for $557. The Jones fami
emmainna [20.7K]

<em>An adult ticket costs $205 and a child ticket costs $49.</em>

<h2>Explanation:</h2>

Hello! Recall you have to write complete questions in order to find exact answers. Here I'll assume the complete question as:

<em>Two families are planning a trip to Disney. The Smith family bought tickets for 2 adults and 3 children for $557. The Jones family bought tickets for 2 adults and 1 child </em><em>for $459</em><em>. How much does and adult and child ticket cost?</em>

To solve this problem, we need to write a system of linear equations in two variables. So, we know some facts:

  • Two families are planning a trip to Disney.
  • The Smith family bought tickets for 2 adults and 3 children for $557.
  • The Jones family bought tickets for 2 adults and 1 child for $459.

Let:

x:Cost \ of \ ticket \ per \ adult \\ \\ y: Cost \ of \ ticket \ per \ child

For the Smith family:

Cost for the 2 adults:

2x

Cost for the 3 children:

3y

Total cost:

2x+3y=557

For the Jones family:

Cost for the 2 adults:

2x

Cost for the 1 child:

y

Total cost:

2x+y=459

So we have the following system of linear equations:

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}2x+3y=557\\2x+y=459\end{array}\right.

Subtracting (2) from (1):

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}2x+3y=557\\-(2x+y=459)\end{array}\right. \\ \\ \\ \begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}2x+3y=557\\-2x-y=-459\end{array}\right. \\ \\ \\ (2x-2x)+(3y-y)=557-459 \\ \\ 2y=98 \\ \\ y=49 \\ \\ \\ Finding \ x \ from \ (1): \\ \\ 2x+3(49)=557 \\ \\ 2x=557-147 \\ \\ 2x=410 \\ \\ x=205

Finally, <em>an adult ticket costs $205 and a child ticket costs $49.</em>

<em></em>

<h2>Learn more:</h2>

System of linear equations: brainly.com/question/13799715

#LearnWithBrainly

3 0
4 years ago
The width of a rectangle is the sum of the length and 5. The area of the rectangle is 36 units. What id the width, in units, of
Alexxandr [17]

Answer:

Step-by-step explanation:

Let length = x

Width = x + 5

Area = 36

Area = length × width

36 = x(x + 5)

36 = x^2 + 5x

x^2 + 5x - 36 = 0

x^2 + 9x - 4x -36 =0

(x^2 + 9x) - (4x + 36) = 0

x(x + 9) - 4(x + 9) = 0

(x -4)(x+9) = 0

x - 4 = 0 or x + 9 = 0

x = 4 or -9

But x can only be positive because it is a length

x = 4unit = length

Width = x + 5 = 4 +5 = 9unit

7 0
3 years ago
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