the square of the number equals nine times that number. what is the number?

​

Answer:

14

Step-by-step explanation:

Answer:

x=105

Step-by-step explanation:

3x+4y=15

3x+4y=7

7*15=105

x= 105

i really hopes this helps i did this in last semester

Answer:

Say what? Elaborate and I can help you

Step-by-step explanation:

Answer:

at least 20

Step-by-step explanation:

The square of 65 and the square of 45 are separated by 2200.

We must first compute each square independently and then compare the two outputs to determine the difference between the squares of 65 and 45.

A number is multiplied by itself to produce the square of a number. Let's determine the squares of 65 and 45 now:

65 squared:

65 * 65 = 4225

45 squared:

45 * 45 = 2025

Find the difference between these two squares by doing the following:

4225 - 2025 = 2200

Consequently, 2200 is the difference between the squares of 65 and 45.

Consider the following to provide extra context for this:

The area of a square with each side is represented by the square of 65, which is 4225.65 units in size. Similarly, the area of a square with sides that are each 45 units long is represented by the square of 45, or 2025.

The difference in their areas, which is 2200 square units, can be calculated by deducting the area of the smaller square (2025) from the area of the larger square (4225).

As a result, the larger square, which corresponds to the square of 65, has 2200 square units more surface area than the smaller square, which corresponds to the square of 45.

In summary, there are 2200 units in the square of 65 and the square of 45.

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The difference between the square of 65 and the square of 45 is calculated by first finding the square of each number (4225 and 2025 respectively) then subtracting the smaller number from the larger one, resulting in a difference of 2200.

The subject of this question is Mathematics. We are being asked to find the difference between the square of 65 and the square of 45. First, let's calculate the square of each number. The square of a number is found by multiplying the number by itself. So, the square of 65 is 65 * 65 = 4225 and the square of 45 is 45 * 45 = 2025.

Next, to find the difference between these two values, we subtract the smaller value (2025) from the larger value (4225). This gives us 4225 - 2025 = 2200.

Therefore, the difference of the square of 65 and the square of 45 is 2200.

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Answer:

A.−2x2+18x−88x+2

B.2x2+2x+8x+2

C.8x−32x+2

D.8x2+14x+8x+2

Step-by-step explanation:

Answer: 32 people

Step-by-step explanation:

500-180=320

320/10=32

Answer:68 People

Step-by-step explanation: This is because if he ended up with $500 by the end of the night, this is after he paid the DJ. So we assume he paid the DJ so we add $180 to what he ended up with that night. That adds up to $680 so $680 is the amount he made that night from the people coming in. Divide that by 10 to get the amount of people, and you get 68. So 68 people came to his party.

Answer:

H is constant

H = 3

Step-by-step explanation:

Answer:

its A: Constant jejejejejejsjsjsj

Answer:

C=$129n+$9.95

Step-by-step explanation:

Cost = 129 dollars multiplied by n (number of nights) plus the initial fee of $9.95

So for 1 night: $138.95=$129(1)+9.95. The cost is $138.95 because you are multiplying $129 by 1, and then adding $9.95

Answer:

Negative numbers are used in navigation and directions determination

Answer:

Could you arrange that better so that I can reanswer it accurately.

Step-by-step explanation:

By substituting the corner points into the objective function, we can compare the values of z and identify the minimum. The corner point with the lowest z value will give us the optimal solution.

To solve the given linear programming problem completely, we will follow the steps mentioned earlier. Let's go through the process in more detail:

Step 1: Identify the decision variables:

Let x1 and x2 be the decision variables representing the values we want to find that minimize z.

Step 2: Formulate the objective function:

The objective function is given as z = 5x1 + 4x2.

Step 3: Formulate the constraints:

The given constraints are:

6x1 + 2x2 ≤ 24

x1 + 2x2 ≤ 6

-x1 + x2 ≤ 1

x2 ≤ 2

Step 4: Combine all the constraints:

To combine the constraints, we rewrite them in standard form:

6x1 + 2x2 ≤ 24 ---> 6x1 + 2x2 + 0x3 + 0x4 = 24

x1 + 2x2 ≤ 6 ---> x1 + 2x2 + 0x3 + 0x4 = 6

-x1 + x2 ≤ 1 ---> -x1 + x2 + 0x3 + 0x4 = 1

0x1 + x2 ≤ 2 ---> 0x1 + x2 + 0x3 + 0x4 = 2

Step 5: Solve the linear programming problem:

To solve this linear programming problem, we can use various methods such as the Simplex method or graphical method. Here, we'll use the graphical method to find the optimal solution.

First, let's plot the feasible region by graphing the equations of the constraints:

Plotting 6x1 + 2x2 = 24:

x1 | x2

0 | 12

4 | 0

Plotting x1 + 2x2 = 6:

x1 | x2

0 | 3

6 | 0

Plotting -x1 + x2 = 1:

x1 | x2

-1 | 0

0 | 1

Plotting x2 = 2:

x1 | x2

0 | 2

Next, we need to find the feasible region by considering the overlapping shaded area formed by the inequalities. However, I cannot provide a visual representation here. Please refer to a graphing tool or software to plot the equations and find the feasible region.

Finally, we evaluate the objective function z = 5x1 + 4x2 at the corner points of the feasible region to determine the minimum value of z. Each corner point represents a specific combination of x1 and x2 within the feasible region.

By substituting the corner points into the objective function, we can compare the values of z and identify the minimum. The corner point with the lowest z value will give us the optimal solution.

Please note that without the graphical representation, I am unable to provide the exact numerical solution. I recommend using a graphing tool or linear programming software to visualize the feasible region and determine the optimal values of x1 and x2 that minimize z.

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Answer:

0.25

Multiplying two negatives make a positive.

Step-by-step explanation:

Answer:

0.25 would be the

soultion

Answer:

4/5

Step-by-step explanation:

I know the answer by doing math in my head

Answer:

Distance = 4.1231

Step-by-step explanation:

D = √((x2 - x1)^2 + (y2 - y1)^2

D = √((3 - 4)^2 + (2 - 6)^2)

D = √((-1)^2 + (-4)^2

D = √1+16

D = √17

D = 4.1231

Answer:

By a search in google, i found the graph for this problem, that is seen below.

The end behavior of f(x) is "how the function behaves as IxI takes large values"

Now, in the graph you can see that around x = -8, the graph goes down very quickly, and around x = -4, the graph goes up very quickly, and in neither case is a sign that the graph will have an inflection point or a change in concavity/convexity, so the left side goes to minus infinity and the right side goes to plus infinity.

Then the correct option is:

From this, we can conclude that if x ⇒ -∞, we will take the left part of the graph, then y⇒ -∞

And when x ⇒∞, we must take the right part of the graph, then y ⇒∞.

a. The line passing through (-5, 10) with a slope of 3 can be parametrized as x = -5 + 3t and y = 10 + 3t.

b. The line passing through (1, -1) and perpendicular to (x, y) = (4, -6) + t(2, -2) can be parametrized as x = 1 + (-1/2)t and y = -1 + (1/2)t.

c. The line passing through (0, 7) and (0, 10) can be parametrized as x = 0 and y = 7 + t.

a. To determine the parametric equations for the line passing through (-5, 10) with a slope of 3, we can use the point-slope form of a line. The equation is given by y - y1 = m(x - x1), where (x1, y1) is the given point and m is the slope. Plugging in the values, we have y - 10 = 3(x - (-5)). Simplifying this equation gives y = 3x + 25. By letting x = -5 + t, we can obtain the parametric equations x = -5 + 3t and y = 10 + 3t.

b. To find the line perpendicular to (x, y) = (4, -6) + t(2, -2), we can use the fact that the slopes of perpendicular lines are negative reciprocals. The given line has a slope of -2/2 = -1. Thus, the perpendicular line will have a slope of 1. Using the point-slope form again with the point (1, -1), we get y - (-1) = 1(x - 1). Simplifying gives y = x. Therefore, the parametric equations for the perpendicular line are x = 1 + (-1/2)t and y = -1 + (1/2)t.

c. The line passing through (0, 7) and (0, 10) is a vertical line parallel to the y-axis. This means that the x-coordinate remains constant. Hence, the parametric equation for x is x = 0. As the line passes through (0, 7), we can let y = 7 + t, where t is the parameter. Therefore, the parametric equations for this line are x = 0 and y = 7 + t.

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How long have you been stuck on this problem???

Answer:

try 15

Step-by-step explanation:

(っ◔◡◔)っ

Answer:

2.33 hours

Step-by-step explanation:

Given

Veteran Tutor

[tex]Charges = \$15[/tex] --- first session

[tex]Hourly\ Rate = \$60[/tex]

College Graduate

[tex]Charges = \$45[/tex] --- first session

[tex]Hourly\ Rate = \$50[/tex]

Required

Determine the number of hours they earn the same amount

Represent the hours with x

First, we need to calculate the total charges for the veteran tutor for x hours;

[tex]Total = 15 + 60x[/tex]

Next, we need to calculate the total charges for the college graduate tutor for x hours;

[tex]Total = 45x + 50[/tex]

For them to earn the same amount, we have:

[tex]15 + 60x = 45x + 50[/tex]

Solving for x

[tex]60x - 45x = 50 - 15[/tex]

[tex]15x = 35[/tex]

Divide through by 15

[tex]x = \frac{35}{15}[/tex]

[tex]x = 2.33\ hours[/tex]

Answer:

(combine like terms)

-5y + 12 + 8y − 6 − 2  

3y+12-8

3y+4

Answer: A=-20 B=20 its the right answer so your welcome

Answer:

A= -20, B = 20

Step-by-step explanation: just did the instruction on Edge

Answer:

Step-by-step explanation:

x    - the smaller number

x 10  - the larger number

5(x+10)   - five times the larger number

6x     - 6 times the smaller number

6x+40     - 40 more than 6 times the smaller number

6x + 40 = 5(x + 10)

6x + 40 = 5x + 50

      -40        -40

  6x  =  5x + 10

 -5x         -5x

   x = 10

x+10 = 10 + 10 = 20  

9514 1404 393

Answer:

Step-by-step explanation:

Each triangle represents a triangle that could be used to compute the slope of a line. That slope is the ratio of the vertical measure to the horizontal measure. For each of the triangles shown, the associated slopes are ...

  A: 54/9 = 6

  B: 15/60 = 1/4

  C: 18/45 = 2/5

  D: 16/40 = 2/5

  E: 72/12 = 6

  F: 13/52 = 1/4

Then the boxes on each horizontal line can be filled with ...

  A: (E, 6)

  B: (F, 1/4)

  C: (D, 2/5)

Answer:

11 packets both bread rolls and hotdogs. bread rolls 5 and hotdogs 6

Step-by-step explanation:

So it's LCM.

18:15

90:90

Answer:

5 packets of bread rolls and 6 packets of hotdogs.

Step-by-step explanation:

18x=15y

6x=5y

x/y=5/6

18(5)=15(6)

Answer:

$48.60

Step-by-step explanation:

The sales tax is $3.60

$45.00+$3.60= 48.60

(ftr)(-5) = -5z - 37

(f-)(-4) = -4z - 38

(fr)(0) = -252

(fr)(-3) = -9z - 117

To find the values of the given functions at specific inputs, we substitute the given inputs into the respective functions.

Given:

f(t) = tz - t - 42

r(t) = t + 6

Let's evaluate each value step by step:

(ftr)(-5):

First, substitute -5 into f(t) and then substitute the result into r(t).

f(-5) = (-5)z - (-5) - 42 = -5z + 5 - 42 = -5z - 37

r(-5) = (-5) + 6 = 1

(ftr)(-5) = (-5z - 37)(1) = -5z - 37

(f-)(-4):

First, substitute -4 into f(t).

f(-4) = (-4)z - (-4) - 42 = -4z + 4 - 42 = -4z - 38

(f-)(-4) = -4z - 38

(fr)(0):

First, substitute 0 into f(t) and then substitute the result into r(t).

f(0) = (0)z - (0) - 42 = -42

r(0) = (0) + 6 = 6

(fr)(0) = (-42)(6) = -252

(fr)(-3):

First, substitute -3 into f(t) and then substitute the result into r(t).

f(-3) = (-3)z - (-3) - 42 = -3z + 3 - 42 = -3z - 39

r(-3) = (-3) + 6 = 3

(fr)(-3) = (-3z - 39)(3) = -9z - 117

To summarize:

(ftr)(-5) = -5z - 37

(f-)(-4) = -4z - 38

(fr)(0) = -252

(fr)(-3) = -9z - 117

Please note that the values of the functions depend on the variable z, which is not provided in the given question. Therefore, the expressions remain in terms of z.

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Answer:

The answer is angle 7

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

It asks for the alternate exterior angle

1 is adjacent to 2

5 is interior

and 8 is not alternate to 2, so that leaves 7