julio says "If you subtract 19 from my number and multiply the difference by ​-5, the result is ​." -45 What is julios ​number?

The diameter of the circle is approximately 60 inches.

To explain further, we can use the formula relating the central angle of a sector to the length of its intercepted arc. The formula states that the length of the intercepted arc (A) is equal to the radius (r) multiplied by the central angle (θ) in radians.

In this case, we are given the central angle (225 degrees) and the length of the intercepted arc (30π inches).

To find the diameter (d) of the circle, we need to find the radius (r) first. Since the length of the intercepted arc is equal to the radius multiplied by the central angle, we can set up the equation 30π = r * (225π/180). Simplifying this equation gives us r = 20 inches.

The diameter of the circle is twice the radius, so the diameter is equal to 2 * 20 inches, which is 40 inches. Therefore, the diameter of the circle is approximately 60 inches.

In summary, by using the formula for the relationship between central angle and intercepted arc length, we can determine the radius of the circle. Doubling the radius gives us the diameter, which is approximately 60 inches.

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Answer:

42

Step-by-step explanation:

Answer:

45

Step-by-step explanation:

4 - 2 × 8 + (6 × 2) × 4 + 3²

= 4 - (2 × 8) + (6 × 2) × 4 + 3²

= 4 - 16 + 12 × 4 + 9

= (4 - 16) + (12 × 4) + 9

= -12 + 48 + 9

= 45

Answer:

118.7 inches squared.

Step-by-step explanation:

The area is the total space taken up by a flat (2-D) surface or shape. The area is always measured in square units.

Diameter is the length across the entire circle, the line splitting the circle into two identical semicircles.

The expression for solving the area of a circle is A = π × \(r^{2}\).

To solve for the semicircle above, we can divide the diameter into 2 to get the radius.

So, the radius of the upper semicircle is 6 inches.

If the radius of a circle is 6 inches, then you can substitute r for 6 into the formula.

This simplifies to A = 36π. If a semicircle if half the size of a normal circle, then it will be A = 18π, because 36 ÷ 2 = 18.

To solve for the lower semicircle, we can do the same this as we did above.

But wait, we don't know the radius or diameter!

No worries! To solve for the diameter of the circle, we can take the line that is parallel to the semicircle (the one that has a length of 12in) and subtract 6 from it. We subtract 6 from it because the semicircle takes up the remaining length of the line, not including the 6in.

To solve for the lower semicircle, we can divide the diameter by 2 to get the radius.

So, the radius of the circle is 3.

Now we can insert 3 into the expression.

This simplifies to A = 9π. If a semicircle if half the size of a normal circle, then it will be A = 4.5π because like above, 9 ÷ 2 = 4.5.

Adding the two semicircles together:

So, the area of both semicircles is approximately 70.6858 square inches.

To solve for the area of a rectangle we use the expression:

Inserting the dimensions of the rectangle:

So, the area of the rectangle is 48 square inches.

Adding the two areas together:

Therefore, the area of the entire figure, rounded to the nearest tenth is \(118.7\) \(in^{2}\).

Answer: Quarter or 25%

Step-by-step explanation:

1/4 = 25%/ 100%

Or quarter

Answer:

1/4 is also called:

One Fourth

One quarter

One percent of Four

Answer

The answer is 9x² - 2x - 1

Explanation

The question wants us to simplify the given expression by summing the terms

5x² + 6x - 3 + 4x² - 8x + 2

To do this sum, we bring the terms that are similar together and sum them. The expression then becomes

5x² + 4x² + 6x - 8x - 3 + 2

= 9x² - 2x - 1

Hope this Helps!!!

Answer:

2(11x + 8)

Step-by-step explanation:

Answer:

10. No solutions -- Because 5 can't = 0

11. Infinite Solutions -- Because on both sides of the (=) there is a 10 and a B that (b) and be any # and it will still be =

12. No Solutions -- Because 8 can't = 2

13. One Solution -- Because something (-4) = 9 only one # will fit for x and that # is 13 because 13-4=9

14. Infinite Solutions -- Because both sides of the (=) there is 6z because (3+3) z = (6)z = 6z.   and if you but any # for z they will always be =

Answer:

30°

Step-by-step explanation:

1 π is 180°, essentially, π/6 = 180 / 6 = 30°

Answer:

π6 radians is 30 degrees

The system of linear inequalities to model the situation is 10x + 20y ≤ 100 and y > 2x

From the question, we have the following parameters that can be used in our computation:

Using the following representations:

We have the following system of inequalities from the given statements

10x + 20y ≤ 100

y > 2x

Hence, the system of inequalities is 10x + 20y ≤ 100 and y > 2x

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The volume of the region is 1024π cubic units.

To find the volume of the region, we need to integrate the function \(f(x,y) = x^2 + y^2\) over the region R,

which is defined by the cylinder \(x^2 + y^2 = 64\) and the xy-plane.

We can express R as follows:

\(R = {(x, y) | x^2 + y^2 ≤ 64, z ≥ 0}\)

To integrate over this region, we can use cylindrical coordinates.

In cylindrical coordinates, the equation of the cylinder is simply \(r^2 = 64\). The limits of integration for r are therefore 0 to 8.

The limits of integration for θ are 0 to 2π, since we want to integrate over the entire circle.

To express f(x,y) in terms of cylindrical coordinates, we first need to express \(x^2 + y^2\) in terms of r. This is simply \(r^2\). Therefore, we have:

\(f(x,y) = x^2 + y^2 = r^2\)

To set up the integral, we have:

\(V = \int\int R f(x,y) dA\)

where dA is the area element in cylindrical coordinates, which is given by r dr dθ. Therefore, we have:

\(V = \int0^{2\pi} \int0^8 r^3 dr d\theta\)

Evaluating the inner integral first, we get:

\(\int0^8 r^3 dr = [r^4/4]0^8 = 512\)

Substituting this result into the outer integral, we get:

\(V = \int0^{2\pi} 512 d\theta = 1024\pi\)

Therefore, the volume of the region is 1024π cubic units.

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The perimeter of triangle JKL is  determined as 68 units.

The perimeter of triangle JKL is calculated as follows;

The perimeter of triangle JKL is the sum of all the distance round the triangle.

Perimeter = length JK + length LK + length JL

AL = CL = 12

Length LK = CL + CK = 12 + 8 = 20

JA = JB = 14

KB = CK = 8

Length JK = JB = KB = 14 + 8 = 22

Length JL = JA + AL = 14 + 12 = 26

The perimeter of triangle JKL is calculated as;

Perimeter = 20 + 22 + 26

Perimeter = 68 units.

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Answer:

SQR is also 45 degrees

Step-by-step explanation:

SQR + PSQ= PQR

45+45=90

if the installment option is used, the total amount paid over the 240-month term would be $1,080,000. This includes both the principal amount of $550,000 and the interest accumulated over the repayment period.

To determine the total amount if the installment option is used, we need to calculate the total repayment over the 240-month term.

The installment amount per month is $4,500, and the repayment term is 240 months.

Total repayment = Installment amount per month * Repayment term

Total repayment = $4,500 * 240

Total repayment = $1,080,000

Therefore, if the installment option is used, the total amount paid over the 240-month term would be $1,080,000. This includes both the principal amount of $550,000 and the interest accumulated over the repayment period.

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The total cost of 44 people in the class party will be $631

The total cost in dollars of a class party is 59 + 13n

Where n = number of people attending in the class party

Let F(n) be the function representing the total cost in dollars of a class party

Such as, F(n) = 59 + 13n

As per the question, the total cost of attending the 44 people will be:

For 44 people we have n = 44

As we had, F(n) = 59 + 13n

Here, F(n) will be treated as a function in which n will be its domain while F(n) will give the output as a range.

F(44) = 59 + 13(44)

     = 59 + 572

    = 631

Total cost will be $631

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Answer:

The number of times a variable appears in a date set is called a constant.

Answer:

Yes

See explanation below

Step-by-step explanation:

Solving (c)

We have the following scenario:

Step      Number of squares

1              1² +  1  =  2

2             2² + 2 =   6

3             3²  + 3 =  12

The relationship between step number and squares is
Step n = n² + n squares

This is a quadratic expression since the highest power is 2(degree of the expression)

YES is the answer

Answer:

the first, second and last option

Step-by-step explanation:

The p-value associated with the test statistic is 0.018, which is less than the significance level of 10%.

If the p-value is less than the significance level (10%), then the manager can reject the null hypothesis in favor of the alternative hypothesis, which is that the average number of times car owners rotate their tires in a year is less than two.

Based on the sample data of 14 car owners, the mean number of times their tires were rotated in the last 12 months is 1.36, which is less than two. The standard deviation of the sample is 1.16, and the t-test statistic is calculated to be -2.28.

Using a t-distribution table with 13 degrees of freedom (n-1), the critical t-value at a significance level of 10% is -1.771. Since the t-test statistic (-2.28) is less than the critical t-value (-1.771), there is enough evidence to reject the null hypothesis.

Therefore, the manager can conclude that based on this sample data, there is sufficient evidence to suggest that car owners rotate their tires less frequently than the recommended amount in the owner's manual.

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In the first question, the statement "Using logarithmic differentiation we obtain that the derivative of the function y = x² satisfies the equation y = 4x log x + 2x" is true.

In the first question, using logarithmic differentiation on the function y = x², we differentiate both sides, apply the product rule and logarithmic differentiation, and simplify to obtain the equation y = 4x log x + 2x, which is correct.

In the second question, the statement is false. When using logarithmic differentiation on the function y = (1+x²)²(1 + sin x)²/(1-x²), the derivative is calculated correctly, but the equation given is incorrect. The correct equation after logarithmic differentiation should be y' = (4x/(1 + x²)(1 + sin x))(1-x²) - (2x(1+x²)²(1 + sin x)²)/(1-x²)².

In the third question, the product z²w is calculated correctly as 30-10%.

It is important to accurately apply logarithmic differentiation and perform the necessary calculations to determine the derivatives and products correctly.

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Answer:

x = - 7

Step-by-step explanation:

Sum of interior angles is a triangle is 180,

70 + 55 + 62 + x = 180

187 + x = 180

x = 180 - 187

x = - 7

Answer:

C) -7

Step-by-step explanation:

1. All the angles in a triangle add up to 180°. This means that x + 62 + 70 + 55 = 180.

2. (Solving equation above)

Step 1: Combine like terms.

Step 2: Subtract 187 from both sides.

Step 3: Check if solution is correct.

Therefore, the answer is C) -7.

Answer:

\( \frac{61}{20} \)

Step-by-step explanation:

\( \frac{3}{4} + ( \frac{4}{3} - \frac{1}{2} + \frac{2}{3} + \frac{4}{5} ) \\ \\ \frac{3}{4} + (( \frac{4}{3} - \frac{1}{2}) - \frac{2}{3} + \frac{4}{5} ) \\ \\ \frac{3}{4} + ( \frac{4 + 3}{3} - \frac{1}{2} + \frac{4}{5} \\ \\ \frac{3}{4} + ( \frac{6}{3} - \frac{1}{2} + \frac{4}{5}) \\ \\ \frac{3}{4} + (2 - \frac{1}{2} + \frac{4}{5} )\\ \\ \frac{3}{4} + \frac{20 - 5 + 8}{10} \\ \\ \frac{3}{4} + \frac{15 + 8}{10} \\ \\ \frac{3}{4} + \frac{23}{10} \\ \\ \frac{15 + 46}{20} \\ \\ \frac{61}{20} \)

Answer: 55

Step-by-step explanation: 55 - 25 = 30

just subtract all the answers by 25 and try to find something lower then 31

Answer

$7

Step-by-step explanation:

10-8= 2

9-2=7

Answer:

\((f+g)(x)=x^2-4x-21\)

Step-by-step explanation:

We are given:

\(f(x)=x^2-5x-14\text{ and } g(x)=x-7\)

And we want to find:

\((f+g)(x)\)

This is equivalent to:

\(=f(x)+g(x)\)

Therefore, by substitution:

\(=(x^2-5x-14)+(x-7)\)

Rearranging gives:

\(=(x^2)+(-5x+x)+(-14-7)\)

Combine like terms:

\(=x^2-4x-21\)

Answer:

19

Step-by-step explanation:

it is 19

yes

wait no its 100000000000

I big brain UwU

Answer:

Step-by-step explanation:its 21

Answer:

Hey there!

The rule for converting milligrams to grams is dividing by 1000.

So, 32372 milligrams would be 32.372 grams.

Let me know if this helps :)

Folding a piece of paper to reach the moon would require an impractical number of folds, far exceeding the physical limits of paper.

The distance from Earth to the moon is approximately 384,400 kilometers. Let's assume we have a standard sheet of paper that is 0.1 millimeters thick. Each time we fold the paper, its thickness doubles. After one fold, the thickness would be 0.2 millimeters, after two folds it would be 0.4 millimeters, and so on. If we continue this doubling process, after 42 folds, the paper's thickness would reach about 439.8 kilometers.

However, even after reaching this astonishing thickness, the folded paper would still be nowhere near the distance required to reach the moon. To put it into perspective, after 42 folds, the paper would only be approximately 0.0001% of the distance to the moon. Folding the paper enough times to bridge the remaining distance is impossible due to the physical constraints of paper and the enormity of the distance involved.

In conclusion, folding a piece of paper to reach the moon would require an impractical number of folds, making it unfeasible in reality. The enormity of the distance between Earth and the moon, combined with the limited thickness of paper, prevents us from achieving this feat.

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