Jacob and Jordan are training for track season. Jacob did 39 sit-ups in 30 seconds. Jordan did 59
sit-ups in 50 seconds. Who will likely do more sit-ups in 2 1/2 minutes? Explain.

Applying the volume of cone, the larger cone will hold 15.17 cubic inches more water than the smaller cone.

Volume = 1/3(πr²h), where r is the radius and h is the height of the given cone.

Find the volume of each cone and calculate their difference to solve the given problem.

Volume of the larger cone = 1/3(πr²h) = 1/3(π·2²·6) ≈ 25.13 cubic inches

Volume of the smaller cone = 1/3(πr²h) = 1/3(π·1.5²·4) ≈ 9.42 cubic inches

Thus, the difference is: 25.13 - 9.42 = 15.71 cubic inches

This means that, the larger cone will hold 15.17 cubic inches more water than the smaller cone.

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Sam owes his dad $12.50 represents the correct situation.

Given are the situations about Sam's money that could be described using the sum of -2.5 and -10.

The sum of - 2.5 and -10 is :

{x} = - 2.5 + (- 10) = - 12.5

{x} = - 12.5

Sam owes his dad $12.50 represents the correct situation.

Therefore, Sam owes his dad $12.50 represents the correct situation.

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{Complete question -

Which situation about Sam's money could be described using the sum of -2.5 and -10?

A. Sam owes his dad $12.50

B. Sam earned $12.50

C. Sam owes his dad $7.50

D. Sam earned $7.50​}

Answer:

For 2:The y intercept is whatever the y coordinate is when x = 0. Basically, where does the line hit the line going up and down?  For number two, the y intercept is negative 3.

Slope intercept form y = mx + b

m = slope

b is y intercept

so far its

y = mx - 3

the slope is how many time you have to go up and over to get to the next number. Rise/run. For 2, the slope is negative! It is - 1/1 so

y = -1x - 3 is the first equation

For 3, the y inttercept is 0! so

y = mx + 0

or just y =mx

The slope is going to be negative

1/2

so - 1 /  2

y = -1/2x +0 or just y = -1/2x

Next one 4 is a positive slope. y intercept is 4

slope is 3 /1 or just 3

y = 3x + 4

5  is negative slope as well :)

The y intercept is 3

The slope is  - 1/3

y = - 1/3x + 3

for 6, it is going to be a positive slope

y intercept is -3

Sloep is 2/1 so

y = 2x - 3

Step-by-step explanation:

Answer + Explanation:
First of all, odd question but okay. Anyways, no, females do not have testes. Testes are male reproductive organs that produce sperm and hormones such as testosterone. Females have ovaries, which produce eggs and hormones such as estrogen.

Answer:

some have like 2out of 100

Answer:

3.

x −4 0 4

y 1 0 −1

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

The expression that represents the volume of the rectangular prism is given as follows:

8 x 3 x 2 units ³.

The volume of a rectangular prism, with dimensions length, width and height, is given by the multiplication of these dimensions, as follows:

Volume = length x width x height.

The dimensions for this problem are given as follows:

Hence the volume is given by the multiplication of these dimensions as follows:

8 x 3 x 2 units ³.

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If an atlas beetle is about 0.15 meters long then the length of the atlas beetle is 10 times the length of a leafcutting bee which is 0.015.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Length of atlas beetle = 0.15 meter

Length of leafcutting bee = 0.015 meter

Now,

0.015 x 10 = 0.15

This means,

The length of the atlas beetle is 10 times the length of a leafcutting bee

Thus,

The length of the atlas beetle is 10 times the length of a leafcutting bee.

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an equation for the given line in the Graph will be y + 2 = 0 for all real values of x.

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.

Given a graph of a line That is Perpendicular to the x-axis. (as we can see in the graph)

Thus the equation of the line will be,

Y = c

where c is constant.

In our case,

c = -2 (y-intercept)

thus,

The equation of the line will be y = -2

therefore, an equation for the given line in the Graph will be y + 2 = 0 for all real values of x.

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A: The model for the temperature of the juice is:

T = 36 + (85 - 36)e^(-0.2659t)

B: Rounding to the nearest degree, we have:

T = 51 degreeF

C: The temperature of the juice will be 51 degreeF after 20 minutes.

What is temperature ?

Temperature is a measure of the average thermal energy of the particles in a substance or system. It is an intensive property, meaning that it does not depend on the amount of matter in the system. The unit of temperature in the International System of Units (SI) is the kelvin (K).

a. To find the value of k in the model, we can use the initial temperature and time given in the problem: T = 56 degreeF, t = 10 minutes. Plugging these values into the equation, we get:

56 = 36 + (85 - 36)e^(10k)

20 = 49e^(10k)

ln(20/49) = 10k

Solving for k, we get:

k = ln(20/49) / 10

Rounding to four decimal places, we have:

k = -0.2659

Hence, the model for the temperature of the juice is:

T = 36 + (85 - 36)e^(-0.2659t)

b. To find the temperature of the juice after 15 minutes, we plug in t = 15 into the model:

T = 36 + (85 - 36)e^(-0.2659 * 15)

Rounding to the nearest degree, we have:

T = 51 degreeF

c. To find when the temperature of the juice will be 51 degreeF, we solve for t in the model:

51 = 36 + (85 - 36)e^(-0.2659t)

15 = 49e^(-0.2659t)

ln(15/49) = -0.2659t

Solving for t, we get:

t = ln(15/49) / -0.2659

Rounding to the nearest minute, we have:

t = 20 minutes

Hence, the temperature of the juice will be 51 degreeF after 20 minutes.

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The equation of the plane is -5x + 5y - 3x = 25.

What is the equation of the plane?

A plane in mathematics is a flat, two-dimensional surface that extends infinitely in all directions. The equation of a plane is a mathematical representation that defines the position of the plane in space. It can be used to describe the relationship between the coordinates of the points that lie on the plane.

The equation of a plane can be found using the point-normal form, which is given by:

ax + by + cz = d

where (a,b,c) is the normal vector and (x,y,z) are the coordinates of a point on the plane.

In this case, we have the normal vector n = ⟨−5,5,−3⟩ and a point on the plane (5,−5,−1). To find the equation of the plane, we first need to find d, which can be found by substituting the coordinates of the point into the equation:

d = −5 * 5 + 5 * (−5) + −3 * (−1) = 25

So the equation of the plane can be expressed as:

-5x + 5y - 3z = 25.

Hence, the equation of the plane is -5x + 5y - 3x = 25.

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Answer:

312,500

Step-by-step explanation:

5x5x5x5x5x5x5= 78,125

78,125x4= 312,500

If we know that at least one of the dice is a 4, the probability that the sum of the two dice will be equal to 7 is 1/3.

The probability that the sum of two dice will be equal to seven if we know that at least one of the dice is a 4 can be calculated as follows:

There are two cases to consider:

Since the two events are mutually exclusive, the total probability that the sum of the dice will be equal to 7 is the sum of the individual probabilities, which is

1/6 + 1/6 = 2/6 = 1/3.

In conclusion, if we know that at least one of the dice is a 4, the probability that the sum of the two dice will be equal to 7 is 1/3. This means that there is a 1 in 3 chance of getting a sum of 7 when rolling two dice and knowing that at least one of the dice is a 4.

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150 kg of bluegrass seed should be mixed with 200 kg of ryegrass seed to make a blend that costs of amount $7.00 per kg.

To calculate, use the following formula:

7.60x + 6.25(200 - x) = 7.00(200)

7.60x + 1,250 - 6.25x = 1,400

1.35x = 1,400

x = 1,040/1.35

x = 770/1

x = 770

Therefore, 770 kg of bluegrass seed should be mixed with 200 kg of ryegrass seed to make a blend that costs of amount $7.00 per kg.

The complete question is :

Speed Seed Company mixes bluegrass seed that costs $7.60 per kilogram with ryegrass seed that costs $6.25 a kg. How many kiolgrams of bluegrass seed should be mixed with 200 kg of ryegrass seed to make a blend that costs $7.00 per kg?

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Answer:

This equation has no solution.

Step-by-step explanation:

A constant zero never equals zero..

The size of the square of c is equal to the sum of the squares of a and b.

What is Pythagoras theorem?

The relationship between the three sides of a right-angled triangle is explained by the Pythagoras theorem, commonly known as the Pythagorean theorem.

When we know the values of at least two sides of a right angle triangle, we can apply this theorem to compute the missing side.

Due to that

[tex]c^{2} =a^{2} +b^{2}[/tex]

This denotes a relationship where the area of a square with one side is equal to the sum of a square with two sides. In other words, the square of c has the same area as the sum of the squares of both a and b.

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If a light beam strikes the inside of a fiber optic cable, it bounces off at the same angle, The distance travel by the beam is 1300 micrometer.

Given:  If a light beam strikes the inside of a fiber optic cable, it bounces off at the same angle.

In a cable 1,200 micrometers long if the beam strikes the wall after 720 micrometer.

Since, The two right angles formed,

In the larger triangle, the value of x is found using the Pythagorean theorem, [tex]x^{2} = 300^{2} + 720^{2}[/tex]

x = [tex]\sqrt{}[/tex]608400

x = 780 micrometer

Now, let us find the value of y.

The two angles of the  smaller right angle triangle are congruent to the two angles of the lower right angle triangle.

Since, the angles on the right angle triangle are congruent then the triangles are similar.

y/x = 480/720

y = 520 micrometer

The distance travel by the beam is 780 + 520 = 1300 micrometer

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It i greater than the fraction one twelfth of 14,649 becaue mixed number one and eleven twelfth ha a denominator of 12. C is true statement.

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The area of the quadrilateral is 14 square centimeters.

The quadrilateral is made up of two triangles.

Area of a triangle is expressed as;

1/2 × base × height.

Given that;

For the upper triangle

For the lower triangle

The area of the quadrilateral will be the sum of the area of the two triangles.

Area of quadrilateral = Area of upper triangle + Area of lower triangle

Area of quadrilateral = ( 1/2 × 4 × 4 ) + ( 1/2 × 4 × 3 )

Area of quadrilateral = ( 2 × 4 ) + ( 2 × 3 )

Area of quadrilateral = ( 8 ) + ( 6 )

Area of quadrilateral = 14cm²

Therefore, the area is 14cm².

Option D) 14 square centimeters is the correct answer.

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The function whose derivative is f'(x) = x^(-1) is f(x) = ln(x) + C, where C is the constant that needs to be found.

To find C, we can use the point (1, 3). Plugging x = 1 and y = 3 into the equation f(x) = ln(x) + C, we get 3 = ln(1) + C, so C = 3 - ln(1). Therefore, the function is f(x) = ln(x) + 3 - ln(1). This can also be written as f(x) = ln(x) + 2.  

The function whose derivative is f'(x) = x1/x is given by f(x) = ln|x| + c, where c is a constant. To find the constant c, we can use the point (1, 3). We know that if a function passes through the point (1, 3), then f(1) = 3. Therefore, we can substitute x = 1 into f(x) to find c.

This gives us ln|1| + c = 3, or c = 3. Therefore, the function that satisfies the given conditions is f(x) = ln|x| + 3. We can check this by taking the derivative of f(x):

To calculate the value of f(x), we can substitute the value of x into th equation. For example, to find the value o f(4), we would calculate f(4) = ln(4) + 2 = 1.38629 + 2 = 3.38629.

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f's x-dependent integral is identical to w; f(x)dx = w

The integral of f with respect to x is equal to w, which is the mathematical translation of the statement "w is the integral of f with respect to distance (x)". This can be mathematically stated as f(x)dx = w, where f(x) is a function of x, dx represents an infinitesimal change in x, and is the integral symbol.

The area under a function's curve, or integral, can be thought of as the accumulation of infinitesimally tiny slices of the function. The integral of f with respect to x in this situation equals w. This indicates that when the function f(x) is integrated with respect to x, w is equal to the sum of all the infinitesimally small slices.

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The function g(x) = 1/x -2 has an inverse, g(x)=1/x+2.  Every function has a domain and a career competencies .

Substances and their modifications, equations with supporting structures, shapes and corresponding placements, and destinations where they can be found are all included in the study of mathematics. The association between a group of inputs, each of which produces related output, is referred to as a "function." A function is a relationship involving inputs and outputs where each input produces a single, unique result. Every function has a domain and a career competencies, often known as a scope. F is typically used to signify functions (x). An x is the input. Based on the following criteria, there are four primary categories of functions that are available: on functions, yet another functions, many-to-one functions, within functions, and on functions.

given

y=1/x−2

Swap out the variables.

x=1/y−2

Solve for y.

y=1/x+2

To display the complete solution, swap out y with g1/(x).

g−1/(x)=1/x+2

Check to see if g(x) = 1/x+2 The opposite to g(x)=1/x2.

The function g(x) = 1/x -2 has an inverse, g(x)=1/x+2.

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Answer:

Step-by-step explanation:

Last year:  $85

This year: 85 + 85(0.16) = $98.60

Year after that:  98.60 + 98.60(0.16) = $114.38

To convert a decimal number to binary, start by dividing by the highest binary place value and writing a 1 in that place value if the result is greater than 0. the converted values is 10111011, 10111011 , 10110101 , 11011101.

187:

Start with the binary place values equal to or less than the number: 128, 64, 32, 16, 8, 4, 2, 1.

Begin with the highest place value of 128 and subtract from 187. 187 - 128 = 59.

Since 59 is greater than 0, a 1 is placed in the 128 place value.

Next, subtract the next binary place value, 64, from 59. 59 - 64 = -5.

Since -5 is less than 0, a 0 is placed in the 64 place value.

Continue this process until all of the place values are filled.

The binary number for 187 is 10111011.

891:

Start with the binary place values equal to or less than the number: 512, 256, 128, 64, 32, 16, 8, 4, 2, 1.

Begin with the highest place value of 512 and subtract from 891. 891 - 512 = 379.

Since 379 is greater than 0, a 1 is placed in the 512 place value.

Next, subtract the next binary place value, 256, from 379. 379 - 256 = 123.

Since 123 is greater than 0, a 1 is placed in the 256 place value.

Continue this process until all of the place values are filled.

The binary number for 891 is 1110100011.

2014:

Start with the binary place values equal to or less than the number: 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1.

Begin with the highest place value of 1024 and subtract from 2014. 2014 - 1024 = 990.

Since 990 is greater than 0, a 1 is placed in the 1024 place value.

Next, subtract the next binary place value, 512, from 990. 990 - 512 = 478.

Since 478 is greater than 0, a 1 is placed in the 512 place value.

Continue this process until all of the place values are filled.

The binary number for 2014 is 10111011.

20486:

Start with the binary place values equal to or less than the number: 16384, 8192, 4096, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1.

Begin with the highest place value of 16384 and subtract from 20486. 20486 - 16384 = 4102.

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1 kilometer is equivalent to 0.621371 miles. 80 kilometers per hour is equivalent to 49.7097 miles per hour.

What is the speed of an object?

The distance an object travels in a unit of time is its speed. By dividing the distance traveled by an object by the time needed to travel that distance, one can determine its speed. As a result, this car will travel at a speed of 41 kilometers per hour.

Given that the speed of an object is 80 kilometers per hour.

It can be written like 80 kilometers/ 1 hour.

As 1 kilometer = 0.621371 miles

Multiply 0.621371 miles with 80 kilometers:

80 kilometers/ 1 hour = (80 × 0.621371) miles/ 1 hour.

80 kilometers/ 1 hour = 49.7097 miles/ 1 hour.

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the return period time of the flood is 1/0.06 = 100 years.The return period of the flood is 100 years.

Recurrence probability is the probability of an event occurring over a period of time. The return period is the expected length of time between occurrences of an event. To calculate the return period, divide 1 by the recurrence probability.

Therefore, the return period time of the flood is 1/0.06 = 100 years.

The return period of the flood is 100 years.

To calculate the return period of the flood, we need to take the inverse of the recurrence probability. For example, if the recurrence probability of the flood is 0.06, the return period of the flood is 100 years (1/0.06 = 100). This means that the flood is expected to occur once every 100 years on average.

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To calculate the product of a vector and a scalar, we multiply each component of the vector by the scalar. We can also add multiple vectors, where we simply add the components of all the vectors along each direction. By using these methods, we can solve the given problem.

[tex]a) a⃗ +b⃗ = (2 + 3, -1 + 0, 1 + 5) = (5, -1, 6)\\b) a⃗ -c⃗ = (2 - 1, -1 - 4, 1 - (-2)) = (1, -5, 3)\\c) b⃗ -c⃗ = (3 - 1, 0 - 4, 5 - (-2)) = (2, 4, 7)\\d) 2a⃗ +3c⃗ = (2*2 + 3*1, -1*2 + 3*4, 1*2 + 3*(-2)) = (6, 6, -3)[/tex]

In 3-dimensional vector calculations, it is important to consider the components of the vectors along i^, j^, and k^. To calculate the sum of two vectors[tex]a⃗ , b⃗[/tex], we simply add the components of the vectors along all directions. Similarly, we can subtract two vectors by subtracting the components of the vectors along all directions. To calculate the product of a vector and a scalar, we multiply each component of the vector by the scalar. We can also add multiple vectors, where we simply add the components of all the vectors along each direction. By using these methods, we can solve the given problem.

The complete question is :

Given the three 3-dimensional vector [tex]a⃗ =(2,−1,1), b⃗ =(3,0,5), and c⃗ =(1,4,−2)[/tex], where (x,y,z) are the components of the vectors along [tex]i^, j^, k^[/tex]respectively, calculate the following:

[tex]a) a⃗ +b⃗\\b) a⃗ -c⃗\\c) b⃗ -c⃗\\d) 2a⃗ +3c⃗[/tex]

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This compound inequality is the range of numbers that Penelope might be thinking of;

Compound inequalities are inequalities that have been joined by the words “and” or “or.” For example: − 2 < x ≤ 5 Read, “ is greater than -2 and less than or equal to 5.” x ≥ 3 or Read, “ is greater than or equal to 3 or less than -4.” Notice that both of these inequalities have two inequality signs.

3x + 5 > -1  and  3x + 5 < 35

This compound inequality is the range of numbers that Penelope might be thinking of; the first inequality shows that the number must be greater than -1, and the second inequality shows that the number must be less than 35.

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Standard deviations from the mean are used to measure Z-score. A Z-score of zero means the data point's score is the same as the mean score.

The mean of your estimate plus and minus the range of that estimate constitutes a confidence interval.

Within a specific level of confidence, this is the range of values you anticipate your estimate to fall within if you repeat the test. In statistics, confidence is another word for probability.

When assessed in terms of standard deviation units, a raw score's location in relation to its distance from the mean is indicated by a z-score.

If a value is above the mean, the z-score is positive; if it is below the mean, it is negative.

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An equation which can be used to determine the number of hours for both DJ's charges to be equal to each other is: B. 20h + 60 = 15h + 80.

In order to write an equation that model this situation, we would assign variables to the cost charged by DJ Ralph and DJ Felicia, and the number of hours respectively, and then translate the word problem into algebraic equation as follows:

Since DJ Ralph charged a $60 event fee plus $20 per hour while DJ Felicia charges an $80 event fee plus $15 per hour, a system of equations that models their charges is given by:

T = 20h + 60     ..............equation 1.

T = 15h + 80     ..............equation 2.

By equating the system of equations, we have:

20h + 60 = 15h + 80

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The system Ax = b is consistent, we use matrix multiplication and the Gauss Jordan Elimination method.

Given a matrix A, and a vector b, we can determine whether b is in the column space of A by performing a matrix multiplication. The column space of A is the set of all linear combinations of the columns of A. We can represent this set by multiplying A by a vector x, such that Ax = b. If the result of the matrix multiplication yields b, then b is in the column space of A.

We can determine whether the system Ax = b is consistent by evaluating the rank of A and the rank of the augmented matrix, [A|b]. If the rank of A is equal to the rank of [A|b], then the system is consistent. To determine the rank of A, we can use the Gauss Jordan Elimination method to find the reduced row echelon form of A and then count the number of non-zero rows.

In summary, to determine whether b is in the column space of A, and whether the system Ax = b is consistent, we use matrix multiplication and the Gauss Jordan Elimination method.

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