-12=6+2/3y pls helpppp

Answer:

75/100 x 300 = 225

300 - 225 = 75 students

The slope and y-intercept of the line are  -3 and -6 respectively.

The graph is a linear function.

The graph can be represented in a slope intercept form as follows;

y = mx + b

where

Therefore, using (1, -9)(-4, 6)

m = 6 - (-9) / -4  - 1

m = 6 + 9 / -5

m = 15 / -5

m = -3

Therefore,

slope = -3

Let's find the y-intercept as follows;

(1, -9)

y = -3x + b

-9 = -3(1) + b

b = -9 + 3

b = -6

Therefore, the slope and y-intercept of the line are -3 and -6 respectively.

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Answer:

18/root(14)

Step-by-step explanation:

x=54

y=126

x/root(y)

54/root(126)

54/root(3x3x14)

54/3(root(14))

18/root(14)

Answer:

45 hours

Step-by-step explanation:

720-180 = 540

540 divided by 12 is 45

Answer:

992

Step-by-step explanation:

1 pound equals 16 ounce

So, 27x16=432

432+400+160=992

The slope is 1/2, I explain in the other question

Answer:

Slope = 1/20

Step-by-step explanation:

Because every 1 second, she goes down 20 feet.

Answer:the answer is the pic

Step-by-step explanation:

hope this helps bye

Answer:

It would be 17%

Step-by-step explanation:

Answer:

B: 20%

Step-by-step explanation:

In the attached diagram the perimeter of the hall way is

The perimeter of the hall way is calculated by adding all the sides of the hallway

The perimeter of the hall way  = 2x - 7 + x + 1 + 4x - 9 + x - 2 + x + 2 + 3x - 11 + x - 2 + 3x - 11 + x + 4

adding like terms results to

The perimeter of the hall way  =  17x + (-34)

Finally, the simplified expression is:

17x - 34

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Step-by-step explanation:

2y-2=2

y=2

9y+2

=9(2)+2

=20

Answer:

3

Step-by-step explanation:

The solution to the system of equations is x = -1, y = 2.

A linear equation is a first-order (linear) term and a constant in an algebraic equation of the type y=mx+b, where m is the slope and b is the y-intercept. The previous equation, which has the variables y and x, is sometimes referred to as a "linear equation of two variables."

The adjective "linear" comes from the fact that the collection of solutions to such an equation forms a straight line in the plane.

These are the three types of linear equations:

By multiplying each equation by an appropriate constant, we may use the method of elimination to make the coefficients of x in both equations equal in size but opposite in sign. The following results from multiplying the first equation by 3 and the second equation by -2 in this situation:

a. 6x + 12y = 18

b. -6x - 10y = -14

To get rid of x, we can now combine these two equations:

a. 6x + 12y = 18

b. (-6x - 10y = -14)

2y = 4

By finding y, we obtain:

y = 2

We can find x by adding this value of y back into either of the initial equations:

2x + 4y = 6

2x + 4(2) = 6

2x + 8 = 6

2x = -2 x ⇒ -1

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the solution to the system of equations 2x+4y=6 and 3x+5y=7, after eliminating the x term, is x = -1 and y = 2.

The x term, we can multiply the first equation by -3 and the second equation by 2, so that the x term will have opposite coefficients and will cancel out when we add the two equations together.

\(-3(2x+4y=6) gives -6x - 12y = -18\)

\(2(3x+5y=7) gives 6x + 10y = 14\)

Adding these two equations gives:

\(-6x - 12y = -18\)

\(+6x + 10y = 14\)

\(-2y = -4\)

Solving for y, we get:

\(y = 2\)

Substituting this value of y back into either of the original equations, we can solve for x:

\(2x + 4y = 6\)

\(2x + 8 = 6\)

\(2x = -2\)

\(x = -1\)

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Answer:

Step-by-step explanation:

Factorize 12 and 75

12 = 2 * 2* 3

75 = 3 * 5 * 5

\(3\sqrt{12} + \sqrt{75}=3*\sqrt{2*2*3}+\sqrt{5*5*3}\\\\=3*2\sqrt{3}+5\sqrt{3}\\\\=6\sqrt{3}+5\sqrt{3}\\\\=(6+5)\sqrt{3}\\\\=11\sqrt{3}\)

The probability of the event B(n) as a recursive equation in terms of B(n-1) is:

$$B(n) = (1 - p)B(n - 1) + p(1 - B(n - 1))$$b)

Recursive Algorithm to calculate B(n) for arbitrary n and p:```
Function getProbabilty(n, p)
   if n == 0 then
       return 1
   else if n == 1 then
       return (1 - p)
   else
       return (1 - p)*get Probability (n - 1, p) + p*(1 - getProbability(n - 1, p))
   end if
End Function
```
The worst-case scenario is O(2^n).c) Dynamic Programming Algorithm to calculate B(n) for arbitrary n and p:```
Function getProbabilityDP(n, p)
   B[0] = 1
   B[1] = 1 - p
   for i = 2 to n do
       B[i] = (1 - p)*B[i - 1] + p*(1 - B[i - 1])
   end for
   return B[n]
End Function
```
The worst-case scenario is O(n).d) Yes, the DP approach is better than the recursive approach. The recursive approach has a worst-case time complexity of O(2^n), which is exponential and inefficient for large values of n. The DP approach, on the other hand, has a worst-case time complexity of O(n), which is linear and much more efficient.

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Answer:

f(x) = -2x\(3\) - 3, gx= 4x - 3

Step-by-step explanation:

Answer:

well fist we need to change this into slope intercept form

which is y=mx+b

now am going to  change the equation given when "1" is the y value "x" is the x value and "3" is the slope:

x+3y= -1

when is solve this, will get

y=-1 -x /3

y= -1/3x -1/3

so as a result, the slope is -1/3

plz mark brainliest :)

Answer:

B. 44.6 feet

Step-by-step explanation:

To find the height of the tree, create a proportion where x is its height:

\(\frac{82}{57}\) = \(\frac{x}{31}\)

Cross multiply and solve for x:

57x = 2542

x = 44.6

So, the tree is B, 44.6 feet

Answer:

Height of person

We may notice that they are in proportion

So,

Let the length be x

82/57 = x/31

57 × x = 82 × 31

57x = 2542

x = 2542/57

x = 44.6 ft

\( \\ \)

After solving, the reaminder is 1 if x^3-2x^2+X+1 is divided by x-1.

In the given question we have to find the remainder if x^3-2x^2+X+1 is divided by x-1.

The given equation is x^3-2x^2+X+1.

We have to divide this equation by x-1 to find the remainder.

To find the remainder we firstly find the value of x from x-1. Then we put the value of x in the given equation then we can easily find the remainder.

Putting the x-1 equla to zero, so

x=1

Now putting the value of x in the given equation.

=x^3-2x^2+X+1

=(1)^3-2(1)^2+1+1

=1-2+1+1

=1

Hence, the remainder is 1 if x^3-2x^2+X+1 is divided by x-1.

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As per the following graph, the slope is 66.67 and the y intercept is 1000.

Graph:

The graph is used  to present data that are too numerous or complicated to be described adequately in the text and in less space.

Given,

The Vera family is traveling from Philadelphia to Orlando for vacation the equation Y = 1000-65X represents the distance in miles.

Here we need to find the slope and the y intercept.

For the given equation, we have to plot the graph to identify the y intercept.

If we plot the given equation then we get the following graph.

Through the graph we have identified that, the value of y intercept is 1000.

Then the next thing we have to do is to find the slope of the lien for that we have to take the two sample point from the graph.

They are,

(0,1000) and (6,600)

Then the slope of the line is calculated through the formula,

m = (600 - 1000)/6 - 0

m = -400/6

m = 66.67

Therefore, the slope of the line is 66.67.

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To find the number of ways to get from point A to point B on a system of roads without visiting any of the 9 intersections more than once, we can use the concept of permutations.

Let's assume that there are n intersections between points A and B. In this case, there are (n+1) possible locations where you can start, including A and the n intersections. To calculate the number of ways, we can start at any of these (n+1) locations and then choose a different intersection at each step until we reach point B.  At the first intersection, we have n options to choose from. At the second intersection, we have (n-1) options, and so on, until we reach the last intersection before point B, where we have 1 option remaining.

To find the total number of ways, we can multiply the number of options at each step Total number of ways = n * (n-1) * (n-2) * ... * 1 = n! For example, if there are 9 intersections between A and B, there are 10 possible locations to start. The total number of ways would be 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1 = 362,880 ways to get from A to B without visiting any of the intersections more than once. In summary, the number of ways to get from A to B without visiting any of the 9 intersections more than once is 362,880.

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The question relates to Eulerian Path in graph theory that visits every edge (or intersection) exactly once in a network (or road system). A definitive answer depends on the layout and connections between intersections.

The number of ways to get from point A to point B without visiting any of the 9 intersections more than once is a problem related to graph theory in Mathematics. Graph theory studies paths, routes, and networks, and has a broad range of applications from road design to computer network architecture.

The problem you're asking about is often referred to as the Eulerian Path problem, named after the mathematician Leonhard Euler. An Eulerian Path is a path in a graph (or city road network) that visits every edge (or intersection) exactly once.

However, to give a definite answer, one would need a clearer picture of the situation, that is, how the intersections are laid out and connected. If all intersections are connected in such a way that you can form a continuous path without any isolation, then multiple solutions may exist.

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Answer:

y=-1/3x

Step-by-step explanation:

We use the linear equation of y=mx+c

Y=c

We know that y=0 and that m=-1/3, therefore we plug it in the formula.

y=-1/3x+0

y=-1/3x

Answer:

X + 3y = 0

Step-by-step explanation:

Given

y-intercept (b) = 0

Slope (m) = - ⅓

Now w

Equation in slope intercept form

y = mx + b

y = - ⅓x + 0

3y = - x

X + 3y = 0

Answer:

See below ~

Step-by-step explanation:

Converting a decimal to a fraction :

A. (0.47)

B. (-0.47)

C. (0.--47)

Answer:

Part (a) = 47/100, Part (b) = -47/100, Part (c) = 47/100

Step-by-step explanation:

Step 1:  Determine 0.47 as a fraction

0.47 can also be expressed as 47% which means that there is 47/100.  We can see that there is no way that we can simplify the fraction even more so that is our final answer.

Step 2:  Determine -0.47 as a fraction

0.47 can also be expressed as -47/100.  We can see that there is no way that we can simplify the fraction even more so that is our final answer.

Step 3:  Determine --0.47 as a fraction

Two negatives (-), means that they cancel out and cause a positive (+).  For example, -1 * -1 gives us 1.  Therefore it would just be like the first one which is 47/100.

Answer: Part (a) = 47/100, Part (b) = -47/100, Part (c) = 47/100

To find the rate at which the radius of the oil spill is increasing when the area is 7 mi^2, dr/dt ≈ 0.203 mi/hr the area of the spill is 7 mi^2, dr/dt ≈ 0.203 mi/hr the radius is increasing at a rate of 0.203 mi/hr.

Where A is area and r is the radius. Taking the derivative of both sides with respect to time, we can express the rate of change of the area as dA/dt = 2πr(dr/dt). Given that dA/dt is constant at 8.5 mi^2/hr, we can substitute the values to find the rate at which the radius is increasing.

We have the equation dA/dt = 2πr(dr/dt), where dA/dt represents the rate of change of the area, r is the radius, and dr/dt is the rate at which the radius is changing. We are given that dA/dt is constant at 8.5 mi^2/hr. When the area is 7 mi^2, we can substitute these values into the equation: 8.5 = 2π(7)(dr/dt)

Simplifying the equation, we can solve for dr/dt: dr/dt = 8.5 / (2π(7)) Evaluating the expression, we find: dr/dt ≈ 0.203 mi/hr

Therefore, when the area of the spill is 7 mi^2, the radius is increasing at a rate of approximately 0.203 mi/hr.

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Answer:

12.8

Step-by-step explanation:

64's square root is 8,

8*8 is 64,

64/5=12.8

The given probability density function, over the stated interval, The correct option is: A. 625/32

To find the expected value of x², denoted as E(x²), we need to calculate the integral of x² multiplied by the probability density function (PDF) over the given interval [0, 5].

The probability density function (PDF) is defined as f(x) = x for x in the interval [0, 5].

The formula for calculating the expected value (E) is as follows:

E(x²) = ∫[a, b] x² × f(x) dx,

where [a, b] represents the interval [0, 5].

Substituting the given PDF f(x) = x, we have:

E(x²) = ∫[0, 5] x² × x dx.

Now, let's solve this integral:

E(x²) = ∫[0, 5] x³ dx.

Integrating x³ with respect to x gives:

E(x²) = (1/4) × x⁴| [0, 5]

= (1/4) × (5⁴ - 0⁴)

= (1/4) × 625

= 625/4.

Therefore, the value of E(x²) is 625/4.

In the provided options, this value is represented as:

A. 625/32

B. 16 623/32

The correct option is:

A. 625/32

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60 liters of 50% and 20 liters of 90% solution should be used.

By mixture and allegation

90                 50

          60

10                  30

10:30 = 1:3

We must mix the acid solution in a 1:3 ratio.

For 1 liter of 60% acid solution, we must use 1l 90% acid solution and 3l  50% acid solutions.

Then for 20 l of 60% acid solution, 1*20 = 20 l of 90% acid solution and 3 * 20 = 60 l of 50% acid solution should be used.

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The length of side BC is approximately 8.72 km.

To find the length of side BC using the cosine rule, we can use the following formula:

BC² = AB² + AC² - 2 AB AC Cos(A)

where BC represents the length of side BC, AB represents the length of side AB, AC represents the length of side AC, and A represents the angle opposite to side BC.

Plugging in the given values:

BC² = (25.3 km)² + (16.7 km)² - 2 (25.3 km) (16.7 km) Cos(68.5°)

BC² = 640.09 km² + 278.89 km² - 2 × 25.3 km × 16.7 km × cos(68.5°)

BC² = 919.98 km² - 843.91 km²

BC² = 76.07 km²

Taking the square root of both sides:

BC = √76.07 km

BC ≈ 8.72 km

Therefore, the length of side BC is approximately 8.72 km.

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Answer:

its c

Step-by-step explanation:

Answer:

the answer is b

Step-by-step explanation:

A linear function that relates y to x include the following: B. y = 1/2(x)

In Mathematics and Geometry, a proportional relationship is a type of relationship that produces equivalent ratios and it can be modeled or represented by the following mathematical equation:

y = kx

Where:

Next, we would determine the constant of proportionality (k) by using the various data points from table D as follows:

Constant of proportionality, k = y/x

Constant of proportionality, k = 1/2

Therefore, the required linear function is given by;

y = kx

y = 1/2(x)

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