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erastovalidia [21]
3 years ago
7

A game increased in price by 1/3

Mathematics
1 answer:
malfutka [58]3 years ago
4 0

Answer:

£54

Step-by-step explanation:

4/3=72

1

1*72/4/3=

72*3/4=54

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Solve the system by substitution <br> x=4y-7<br> 2x+9y=-31
ElenaW [278]

Answer:

simple follow me

Step-by-step explanation:

2(4y-7)+9y=-31

8y-14+9y=-31

<u>y=</u><u> </u><u>-</u><u>1</u><u>7</u>

<u>x=</u><u> </u><u>-</u><u>7</u><u>5</u>

3 0
3 years ago
Line j has a slope of − 2. Line d is perpendicular to line j and passes through the point( − 8 , 3 ).  Write the equation for
Zina [86]

Answer:

The equation is: y = 1/2x + 7

Step-by-step explanation:

The slope of j is -2. The slope of a line perpendicular to line j has a negative inverse: 1/2. The point is (-8, 3).

Use the point slope form of the equation:

y - y1 = m(x - x1)

Substitute:

y - 3 = 1/2(x - (-8))

y - 3 = 1/2x + 4

y = 1/2x + 4 + 3

y = 1/2x + 7

Proof:

Solve for f(x) when x = -8.

f(x) = 1/2x + 7

f(-8) = 1/2(-8) + 7

= -8/2 + 7

= -4 + 7

= 3, giving the point (-8, 3)

4 0
3 years ago
1. The function, g, is graphed below. EXPLAIN how to find x, if g(x) = -1 in sufficient<br> detail
konstantin123 [22]
<h3>Answer:  x = 1</h3>

=====================================

Explanation:

  • Step 1) Start at -1 on the y axis.
  • Step 2) Draw a horizontal line from -1 until you reach the g(x) curve.
  • Step 3) Mark the point of intersection. Let's call it point A.
  • Step 4) From point A, draw a vertical line until you reach the x axis. You should get to x = 1.

All of this is shown in the diagram below.

Now follow the arrows in reverse. This shows that x = 1 leads to y = g(x) = -1.

Therefore, g(1) = -1 and x = 1 is the solution to g(x) = -1.

Side note: The equation is g(x) = 2x-3. We can replace g(x) with -1 and solve for x to get x = 1.

4 0
3 years ago
Carlos graphs the equations y = 0.5x^2 + 3 and y = –4x^2 + 24x – 35 and generates the graph below. Which conclusion is supported
alexira [117]
 A is the correct answer because the parabolas never touch.
6 0
3 years ago
Read 2 more answers
a scientist notes that the number of bacteria in a colony is 50.3 hours later, she notes that the number of bacteria has increas
sergejj [24]

It will take 5.83 hours for the bacteria to reach 1119.

<h3>What is exponential Growth ?</h3>

Exponential growth is when the quantity increases according to the function

P_t = P_0 e^{ kt}

It is given in the question that

Initial number of Bacteria is 50

After 3 hours the bacteria has increased to 80

The bacterial growth is an exponential growth

P_t = P_0 e^{ kt}

80 = 50 e^{ k * 3}

Applying log on both sides

1.6 = 3*k

k = 1.6/3

k = 0.533

if this rate of growth continues, how much more time will it take for the number of bacteria to reach 1119

1119 = 50e^{0.533* t}\\\\3.18 = 0.533 *t\\\\5.83 = t

Therefore it will take 5.83 hours for the bacteria to reach 1119.

To know more about exponential growth.

brainly.com/question/11487261

#SPJ1

6 0
2 years ago
Read 2 more answers
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