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Kisachek [45]
3 years ago
8

Solve for x. Show your work. - x < -12

Mathematics
1 answer:
timama [110]3 years ago
8 0
- x \ \textless \  -12\\x\ \textgreater \ 12
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The table shows the price for different numbers of board games:
zlopas [31]

Answer:

We conclude that the price is 3.5 times the number of board games.

Hence, option B is true.

Step-by-step explanation:

We know that when y varies directly with x, the equation is

y ∝ x

y = kx

k = y/x

where 'k' is called the proportionality constant.

From the table,

For the point (2, 7)

k = y/x

  = 7/2

  = 3.5

For the point (4, 14)

k = y/x

   = 14 / 4

   = 7/2

    = 3.5

For the point (5, 17.50)

k  = y/x

   = 17.5 / 5

   = 3.5

For the point (9, 31.50)

k  = y/x

   = 31.50 / 9

   = 3.5

From the above calculations, we computed that the value of the proportionality constant remains the same.

Thus, the table of numbers represents a proportional relationship.

Therefore, the equation becomes

y = kx

The price of 2 board game

y = 3.5 (2)

  = 7

The price of 4 board game

y = 3.5 (4)

  = 14

Therefore, we conclude that the price is 3.5 times the number of board games.

Hence, option B is true.

6 0
3 years ago
Car A travels at 35 miles per hour and Car B travels at a greater speed of x miles per hour. Choose the expression that represen
Rina8888 [55]

Answer:

-2x+25 D

Step-by-step explanation:

To determine how far it will go in an unspecified number of hours, we can let t = time in hours. The letter t will be our variable. Assuming that the car travels at the same speed, we can state that the rate is 55, and that will be our constant. The expression would then be:

Distance of car traveled in t hours, which we can denote as D(t) = 55 x t = 55t

This means that D is a function of t, and D represents the total distance traveled in t hours.

8 0
3 years ago
Read 2 more answers
Please help me answer these questions if you give an answer you are a lifesaver
il63 [147K]
On Part A you have to subtract $2.39-$1.99. Then in Part B you have to multiply $4.50 by 2. And then I think you have to add $3.79 when u are done multiplying.
4 0
3 years ago
Graph each inequality and graph its solution.<br> 3) n - 11 &gt; -21
Vera_Pavlovna [14]
The correct answer is
Inequality: n>-10
Interval Notation: (-10,infinity)
7 0
3 years ago
Sean was at batting practice he swung 25 times bout only hit the ball 15 times. Describe and write more than one ratio that is r
slavikrds [6]
50:30 because 25 plus 25 is 50 and 15 plus 15 is 30

5 0
3 years ago
Read 2 more answers
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