This morning, Russell took a history test. He got 25 out of 50 problems right. What percentage did Russell get right?

Answer:

56 crickets

Step-by-step explanation:

Answer:

I think its -0.75.

Step-by-step explanation:

Btw this is just the practice test if ur doing flex flvs so it does not matter much Lol

Answer:

WROOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOONG :3

Step-by-step explanation:

Answer:

1. v = 3

2. y = 2

3. u = 6

Step-by-step explanation:

Answer:

5.3

Step-by-step explanation:

27.8/37 = x/7

37x = 194.6

x=5.25

x=5.3

Answer:b

Step-by-step explanation:

Answer: I have no idea srry

Answer:

sorry

Step-by-step explanation:

i dont know :(((

maybe try asking some classmates or your parents to help you

Answer:

C) 76

Step-by-step explanation

I have attached the work for this problem.

Answer:

- 10

Step-by-step explanation:

Distribute the '+' into the '-' and simplify:  

-5+9+(-5)+(-10)+(1) =

-5 + 9 - 5 - 10 + 1 =

-10

Answer:

Step-by-step explanation:

\( \sf{ - 5 + 9 + ( - 5) + ( - 10) + 1}\)

When there is a ( + ) in front of an expression in parentheses, the expression remains in same.

⇒\( \sf{ - 5 + 9 -5 - 10 + 1}\)

Calculate

⇒\( \sf{ 4 - 5 - 10 + 1}\)

⇒\( \sf{ - 1 - 10 + 1}\)

⇒\( \sf{ - 11 + 1}\)

⇒\( \sf{ - 10}\)

Hope I helped!

Best regards!!

A customer would  be charged $ 52 for an international phone call that started at 9:35 p.m. and ended at 11:15 p.m. the same day.

Charge for first 5 charged = $ 4.50

Charge for additional time = $ 0.50 per minute

Starting time = 9:35 p.m.

End time = 11:15 p.m.

Total minutes = 100 minutes

Total charge = 4.50 + (95 x 0.50)

                  = 4.50 + 47.50

                  = 52.00

Hence, a customer would  be charged $ 52 for an international phone call that started at 9:35 p.m. and ended at 11:15 p.m. the same day i.e. for 100 minutes.

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Answer:

it is 10.3

Step-by-step explanation:

Answer:

The ordered pair (5, 35) in this context indicates that 5 boxed lunches were ordered and the total cost of those lunches was $35.

In the given graph, the x-coordinate represents the number of boxed lunches ordered (in this case, 5), and the y-coordinate represents the total cost of the lunches (in this case, $35). The point (5, 35) indicates the specific combination of the number of boxed lunches and the corresponding total cost on the graph.

Answer:

I think its 238.00

Step-by-step explanation:

Answer:

You can always ask the tutor they give the correct answer :))

The grid-based method first quantizes the object space into a finite number of cells that form a grid structure and then performs clustering on the grid structure.

The grid-based methods are used in data mining and are based on a multi-resolution grid data structure. In the grid-based methods the space of instance is divided into a grid structure. Following the division, clustering techniques are employed using the cells of the grid as the base units instead of individual data points. The great advantage of grid-based clustering technique is its significant reduction of the computational complexity, especially for clustering very large data sets and improving the processing time.

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False. The frequency polygon and the histogram are two different ways to represent data, and they have distinct characteristics.

A frequency polygon is a line graph that displays the distribution of a quantitative variable. It shows the frequency of each value or class interval on the horizontal axis and the corresponding frequencies on the vertical axis. The points on the graph are connected to form a line, which gives a visual representation of the data distribution.

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Answer:

12 and 7

Step-by-step explanation:

The answer of the given question based on the code is , the output of the code will be: The root of x³ + 2x - 2 between 0 and 1 is 0.771

MATLAB code:
To show that `x³ + 2x - 2` has a root between 0 and 1 and,

to find the root to 3 significant digits using the Newton Raphson Method,

we can use the following MATLAB code:  

Defining the function

f = (x)x³ + 2*x - 2;

Plotting the function

f_plot (f, [0, 1]);

grid on;

Defining the derivative of the function

f_prime = (x)3*x² + 2;

Implementing the Newton Raphson Method x0 = 1;

Initial guesstol = 1e-4;

Tolerance for erroriter = 0; % Iteration counter_while (1)

Run the loop until the root is founditer = iter + 1;

x1 = x0 - f(x0)

f_prime(x0);

Calculate the next guesserr = abs(x1 - x0);

Calculate the error if err < tol

Check if the error is less than the tolerancebreak;

else x0 = x1;

Set the next guess as the current guessendend

Displaying the resultfprintf('The root of x³ + 2x - 2 between 0 and 1 is %0.3f\n', x1));

The output of the code will be: The root of x³ + 2x - 2 between 0 and 1 is 0.771

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When you run the above code in MATLAB, it will display the root of x^3 + 2x - 2 to 3 significant digits.

MATLAB code:

Show that x^3 + 2x - 2 has a root between 0 and 1:

Here is the code to show that x^3 + 2x - 2 has a root between 0 and 1.

x = 0:.1:1;y = x.^3+2*x-2;

plot(x,y);

xlabel('x');

ylabel('y');

title('Plot of x^3 + 2x - 2');grid on;

This will display the plot of x^3 + 2x - 2 from x = 0 to x = 1.

Find the root to 3 significant digits using the Newton Raphson Method:

To find the root of x^3 + 2x - 2 to 3 significant digits using the Newton Raphson Method, use the following code:

format longx = 0;fx = x^3 + 2*x - 2;dfdx = 3*x^2 + 2;

ea = 100;

es = 0.5*(10^(2-3));

while (ea > es)x1 = x - (fx/dfdx);

fx1 = x1^3 + 2*x1 - 2;

ea = abs((x1-x)/x1)*100;

x = x1;fx = fx1;

dfdx = 3*x^2 + 2;

enddisp(x)

When you run the above code in MATLAB, it will display the root of x^3 + 2x - 2 to 3 significant digits.

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Answer:

60% is a C to a C+, its not bad.

Step-by-step explanation:

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

Explanation:

The angles SPT and TPU marked in red are congruent. They are congruent because of the similar arc markings.

Those angles add to the other angles to form a full 360 degree circle.

Let x be the measure of angle SPT and angle TPU.

86 + 154 + 60 + x + x = 360

300 + 2x = 360

2x = 360-300

2x = 60

x = 60/2

x = 30

Each red angle is 30 degrees.

Then,

angle SPQ = (angle SPT) + (angle TPU) + (angle UPQ)

angle SPQ = (30) + (30) + (86)

angle SPQ = 146 degrees

--------------

Another approach:

Notice that angles QPR and RPS add to 154+60 = 214 degrees, which is the piece just next to angle SPQ. Subtract from 360 to get:

360 - 214 = 146 degrees

Researchers engage in experimentation to exercise maximum control over the factors they are interested in studying.

Generally, experimenter trials are used to control the study's variables. The experimental approach entails changing one variable to see if it affects another variable. This approach uses controlled exploration methods and arbitrary subject selection to test a thesis.

For illustration, experimenters might be interested in changing how colorful visual patterns may affect our perception. They might also consider whether specific actions can enhance memory. Multitudinous behavioral issues are the subject of trials, some of which include cognition, emotion, memory, perception, and sensation.

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Answer:

x = 37 if im correct

Step-by-step explanation:

Based on the formula of the quadratic function y=-x^2+6x-5, we know that its graph is a downward-facing parabola that opens wide, with a vertex at (3,-14), and an axis of symmetry at x=3.

Based on the formula of the quadratic function y=-x^2+6x-5, we can determine several properties of its graph, including its shape, vertex, and axis of symmetry.

First, the negative coefficient of the x-squared term (-1) tells us that the graph will be a downward-facing parabola. The leading coefficient also tells us whether the parabola is narrow or wide. Since the coefficient is -1, the parabola will be wide.

Next, we can find the vertex using the formula:

Vertex = (-b/2a, f(-b/2a))

where a is the coefficient of the x-squared term, b is the coefficient of the x term, and f(x) is the quadratic function. Plugging in the values for our function, we get:

Vertex = (-b/2a, f(-b/2a))

= (-6/(2*-1), f(6/(2*-1)))

= (3, -14)

So the vertex of the parabola is at the point (3,-14).

Finally, we know that the axis of symmetry is a vertical line passing through the vertex. In this case, it is the line x=3.

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Answer:

the first is a 50% chance

the second is not possible to know

Step-by-step explanation:

Answer:

a) $3000

b) $900

c)20%

Step-by-step explanation:

a) 1500 is 5 in ratio. 1500/5 is 300. 300 is 1 in ratio. total of ratio is 10. 300 X 10 Is 3000

b) 1 in ratio is 300 so 3 in ratio is 900

c)the fraction for a is 2/10 wich is 20%

The amount withheld for Social Security and Medicare is $237.15.

A withholding tax is money deducted from someone's paycheck in advance to pay some of the tax they will owe. Employers pay withholding taxes directly to the IRS on behalf of their employees. The money taken is deducted from the employee's annual income tax bill.

Given

Monthly salary $3,100

Earnings to date $15,500.

Deduction from salary:

1. $3,100*0.062

= $192.2

2. Social Security Taxes:

= 3,100*0.0145

= $44.95

Now, the Medicare Tax Withheld will be:

= $192.2 + 44.95

= $237.15

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Mathematical objects that can be easily scaled and rotated without losing their shape and identity are known as "rigid bodies."

In geometry, rigid bodies are defined as objects that maintain their shape and size under rigid motions, which include translations (shifting) and rotations.

These objects possess properties such as symmetry, congruence, and invariance under transformations. Examples of rigid bodies include circles, squares, cubes, and spheres.

The ability to scale and rotate rigid bodies while preserving their geometric properties makes them useful in various mathematical applications, such as coordinate transformations, geometric proofs, and modeling physical objects in engineering and physics.

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Answer: ($2100+96d) + ($2755+116d)

               = $4855+212d

The number of degrees of freedom is large, then the student's T distribution is close to the normal distribution.

The degrees of freedom is the number of observation in a sample that are free to vary when we estimate the statistical data. Degree of freedom will also indicate the independent piece of information in the data.

Basically, the T distribution or student's distribution is a family's of distribution that look identical to the normal distribution.

So, the number of degrees of the freedom is large then it will closely related to normal distribution.

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In a single row of yellow, green and red colored tiles, every red tile is preceded immediately by a yellow tile and every yellow tile is preceded immediately by a green tile.

The pattern of color in the row is Green - Yellow - Red - Green - Yellow - Red - Green - Yellow - Red - Green - Yellow - Red and so on...Here, Green and Red will always appear at odd positions and Yellow will always appear at even positions.In order to find the 24th tile in the row, we can first find out the color of tile 23 and 22.23rd tile is Red, as it is preceded immediately by Yellow and Yellow is preceded immediately by Green.22nd tile is Yellow, as it is preceded immediately by Green and Green will appear at all even positions.

Now we know that the 24th tile comes immediately after the 23rd tile which is Red. So the color of the 24th tile will be Green. Hence, the answer is Green.

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