what is 190lbs in kg ?

Answer:

Step-by-step explanation:

y=9700(0.909)^x

# If the base of an exponential function is an element of the set (0,1) the function is decreasing as the value of 'x' is increasing from negative infinity to positive infinity.

the function y=9700(0.909)^x is an exponential function with a coefficient 9700 and base 0.909, as we increase the value of x from negative infinity to positive infinity, the value of y decreases. So the change between two consecutive 'y' values as 'x' increases indicate decay rather than growth.

And it can be written as y=9700(1-0.091)^x, therefore the percentage decrease is 9.1%

Answer:

Step-by-step explanation:

x% OF 7200 = 288

x/100*7200 = 288

x=288/72=4

4% was donated

65 kg is equivalent to approximately 143.3 pounds and both are unit of measurement of weight.

To convert kilograms to pounds, we multiply the weight in kilograms by the conversion factor of 2.20462. Therefore, to convert 65 kg to pounds, we can multiply 65 by 2.20462, which gives us approximately 143.3 pounds.

It's important to note that kilograms and pounds are both units of weight, but they are used in different parts of the world. Kilograms are the standard unit of weight in most countries, while pounds are commonly used in the United States and some other countries.

Converting between units of measurement is a valuable skill, especially when communicating or traveling internationally. Knowing how to convert from kilograms to pounds, or vice versa, can help you understand weight measurements in different contexts.

Online conversion tools or calculators can be useful resources to quickly and accurately convert between units of measurement as needed.

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Step-by-step explanation:

I suspect this to be a trick question.

because 2 statements are correct :

B and C.

according to the definition, two triangles are similar if their corresponding angles are congruent (identical) and corresponding sides are proportional (the ratio between the length of corresponding sides is equal for all pairs of corresponding sides, or, in other words, there is one scale factor for all 3 pairs of corresponding sides).

in fact, each criteria alone is sufficient.

if all 3 corresponding angles are identical between both triangles, the corresponding pairs of sides will be proportional.

if all 3 pairs of corresponding sides are proportional, then the corresponding angles are identical.

and the triangles are similar.

Answer:

164

Step-by-step explanation:

4 x 10 = 40

40 x 2 = 80 (there are two sides with the same measurements)

---

3 x 4 = 12

12 x 2 = 24 (there are two sides with the same measurements)

----

10 x 3 = 30

30 x 2 = 60 (there are two sides with the same measurements)

60 + 80 + 24 = 164

To find the percentage of yield in a calculator, you can follow these steps:

1. Determine the actual yield and the theoretical yield of the reaction. The actual yield is the amount of product that was actually produced in the reaction, while the theoretical yield is the amount of product that should have been produced based on the balanced chemical equation.

2. Divide the actual yield by the theoretical yield to find the decimal form of the percentage yield.

3. Multiply the decimal form of the percentage yield by 100 to find the percentage yield.

For example, if the actual yield of a reaction is 15 grams and the theoretical yield is 20 grams, the percentage yield would be:

(15/20) x 100 = 75%

Therefore, the percentage yield of the reaction is 75%.

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The function 2y = -4x is linear and the graph is given below.

A linear function can be defined as the function whose graph is a straight line. It can also be defined as the function with one or more variables and the exponent of the variable is 1.

Here the given function is 2y = -4x.

The function is linear since the exponent of the two variables x and y are 1.

This can be written as,

y = -4x / 2

y = -2x

This is a proportional function with slope -2.

Graph will be a decreasing function.

The points on the graph includes (-2, 4), (-1, 2), (0, 0), (1, -2) and (2, -4).

Hence the graph of the function is given below.

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The measure of the angle using the sine rule will be 50.28 degrees.

It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.

Trigonometric functions examine the interaction between the dimensions and angles of a triangular form.

The value of the angle 'x' is given by the sine of angle 'x'. Then the equation is given as,

sin x = 30 / 39

x = sin⁻¹(30 / 39)

x = 50.28°

The measure of the angle using the sine rule will be 50.28 degrees.

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The unit cost per pound of trail mix, in dollars is $3.75.

How to calculate Unit price of an item?

To calculate the unit price of an item, you have to understand that unit price means price per unit. To find the unit price we divide the total cost by the amount of items we are given in the question.

Given :

15x - 4y = 0

Where ,y is total cost in dollars of the trail mix and x is  the number of pounds bought.

To calculate , unit cost of trial mix , we need to calculate y

Therefore , from equation 15x - 4y = 0

We can say that,

y =(15/4)x

For unit cost we need to substitute x = 1

Thus, y = (15/4)*1

or

y = (15/4)

or

y = 3.75

Hence, the unit cost per pound of trail mix, in dollars is $3.75.

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The percentage of sales tariff is 8.06%. Then the second item cost before the tariff will be $124.

Any product's quantity is given as if it were a percentage of one hundred. The ratio can be written as 100. The word "%" means "100%" in English. The sign for it is the letter "%".

The percentage is given as,

[tex]\text{Percentage (P) }= \dfrac{ \text{Final value - Original value}}{\text{ Original value }} \times 100[/tex]

An item that costs $310 before the tariff carries a $25 sales tariff. The sales tax % is then provided as,

[tex]\rm P = \left ( \dfrac{25}{ 310} \right ) \times 100[/tex]

P = 0.0806 x 100

P = 8.06%

The sales tax on a second object is $10. Then the second object cost before the tariff is given as,

⇒ $10 / 0.0806

⇒ $124

The percentage of sales tariff is 8.06%. Then the second item cost before the tariff will be $124.

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The constant of proportionality is 4.01.

The number of widgets that can be produced is 42,225.30.

Joint variation is when a variable depends on more than one variable.

The equation that represents joint variation is:

z = kwt

Where:

32280.5 = k x 14 x 575

k = 32280.5 / (14 x 575)

k = 4.01

Number of widgets that can be produced by 585 workers in 18 hours

w = 4.01 x 18 x 585

w = 42,225.30

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Answer:

75.

Step-by-step explanation:

The mean = (78 + 64 + 74 + 92 + 67) / 5

                 = 375 / 5

                 = 75.

Answer:A.75

Step-by-step explanation:

i did it in class

The product of all integers from -99 to -90, including -99 and -90, will be positive.

The product of an even number of negative integers will be positive, while the product of an odd number of negative integers will be negative.

In this case, we have 10 negative integers, which is an even number. Therefore, the product of all these integers will be positive.

However, the product of a positive and a negative integer is negative, so we need to keep track of the sign changes that occur when we multiply the integers.

We can start by multiplying the two extremes, -99 and -90. The product of these two integers is positive, so at this point, the answer is positive. However, as we multiply more and more of the integers between -99 and -90, we'll eventually reach an even number of positive integers

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Verifying trig identities can be difficult because they involve manipulating complex equations with multiple trigonometric functions that have various associated angles and coefficients.

For example, the Pythagorean Identity states that sin2θ + cos2θ = 1, which must be verified by using the identity sin2θ = 2sinθcosθ and substituting it into the equation. This results in a complex equation: 2sinθcosθ + cos2θ = 1, which must then be simplified and rearranged in order to show that it is true for all values of θ. Furthermore, trig identities can involve multiple steps that involve multiple functions and angles, which can make verifying them even more difficult.

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The value of x is -29

It is important to note that;

We have the diameters as;

-9x + 104 and 3x + 82

Also note that angles at the center is 360 degrees

This is then represented as;

-9x + 104 + 3x + 82 = 360

collect the like terms

-6x = 360 - 186

subtract the values

-6x = 174

Make 'x' the subject of formula, we get;

x = 174/-6

x = -29

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Answer:

A, D

Step-by-step explanation:

8/5 + 2/5y

Factor out the 2/5, which gives you:

2/5(4 + 1y) = 2/5(5 + y)

or,

Factor out 1/5, which gives you:

1/5(8 + 2y)

So both A and D are equivalent

A 0 degree and 90 degree can form a pair of complementary angles, but 90 degree and an angle that is not adjacent cannot form a pair of complementary angles.

In mathematics, complementary angles are two angles whose sum is 90 degrees. So, if one angle is 0 degrees, the other angle would have to be 90 degrees in order for them to be complementary. However, if one angle is 90 degrees, it cannot form a pair of complementary angles with an angle that is not adjacent (i.e. next to it).

To understand why, consider a straight line, which is equivalent to 180 degrees. If one angle is 90 degrees, it takes up half of the line, leaving the other half for the other angle.

If the other angle is not adjacent, it would have to be placed somewhere on the other half of the line, which is already taken up by the 90 degree angle. Therefore, the two angles cannot add up to 90 degrees and cannot be complementary.

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The 8 fluid ounces(oz) of water is equivalent to 236.588 milliliters.

To convert 8 ounces (oz) to milliliters (ml), we need to know the density of the substance. The conversion factor will vary depending on what we are measuring. Here are some common conversion factors:

1 fluid ounce of water weighs 29.5735 grams, which is equivalent to 29.5735 ml.

1 fluid ounce of milk weighs 30 grams, which is equivalent to 28.4131 ml.

1 fluid ounce of honey weighs 21 grams, which is equivalent to 20.0784 ml.

For example, let's say we want to convert 8 fluid ounces of water to milliliters. We know that 1 fluid ounce of water weighs 29.5735 grams, and that 1 milliliter of water also weighs 1 gram (since water has a density of 1 g/mL). Therefore, we can use the following formula to convert 8 fluid ounces of water to milliliters:

8 oz x 29.5735 g/oz x 1 mL/1 g = 236.588 ml

So 8 fluid ounces of water is equivalent to 236.588 milliliters.

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The solutions of the system are y = -8 and x = 9.

One or many equations having the same number of unknowns that can be solved simultaneously are called simultaneous equations. And the simultaneous equation is the system of equations.

Given:

A system of equations,

5x + 6y = -3   {Equation 1}

8x + 8y = 8     {Equation 2}.

Multiply 8 into equation 1 and multiply by 5 into equation 2,

and subtract the equation,

we get,

40x + 48y - 40x - 40y = -24 - 40

8y = -64

y = -8 and x = 9

Therefore, the solutions are y = -8 and x = 9.

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The function f(n) that generates this sequence is 2 + 1/(n+1). This function takes an input of n and outputs the corresponding term in the sequence.

What is an arithmetic sequence?

A progression or sequence of numbers known as an arithmetic sequence maintains a consistent difference between each succeeding term and its predecessor. The common difference in that mathematical progression is the constant difference.

Here, we have

Given: the sequence 2 and one-half comma 2 and one-third comma 2 and one-fourth comma and continues.

Each term in the sequence is 2 plus a fraction where the denominator is one more than the term number. For example:

In the first term, n=1, and the fraction is 1/2

In the second term, n=2, and the fraction is 1/3

In general, the n-th term in the sequence will have the fraction 1/(n+1).

Hence, the function f(n) that generates this sequence is 2 + 1/(n+1). This function takes an input of n and outputs the corresponding term in the sequence.

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Jodie spent a total of $2,166 last month on groceries, utilities, and other expenses.

To find out how much Jodie spent in all, we need to add up all of her expenses. We can do this by using the following formula:
Total expenses = Groceries + Utilities + Other expenses

Plugging in the given values, we get:
Total expenses = $178 on groceries + $238 on utilities + $1,750

Adding these values together, we get:
Total expenses = $2,166

Therefore, Jodie spent a total of $2,166 last month.

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Based on a system of equations, the cost of a soccer ball is $15.50.

A system of equations is two or more equations solved concurrently or at the same time.

A system of equations can also be described as simultaneous equations.

                            Shin Guards    Soccer Balls    Total Cost

First purchase             3                     2                  $48.97

Second purchase       5                     3                  $76.45

Let the cost of shin guards per unit = x

Let the cost of soccer balls per unit = y

Equation 1: 3x + 2y = 48.97

Equation 2: 5x + 3 y = 76.45

Multiply Equation 1 by 1.5:

Equation 3: 4.5x + 3y = 73.455

Subtract Equation 3 from Equation 2:

5x + 3 y = 76.45

-

4.5x + 3y = 73.455

0.5x = 2.995

x = 5.99

Substitute x = 5.99 in Equation 1:

3(5.99) + 2y = 48.97

17.97 + 2y = 48.97

2y = 31

y = 15.5

= $15.50

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Jeremy needs to buy soccer supplies for his team. He bought 3 packs of shin guards and 2 soccer balls for $48.97.

The difference in the medians is 1/3 times the IQR.

Mathematically, interquartile range (IQR) of a data set and it is typically calculated as the difference between the first quartile (Q₁) and third quartile (Q₃):

Interquartile range (IQR) for Speed Slide = Q₃ - Q₁

Interquartile range (IQR) for Speed Slide = 12 - 6

Interquartile range (IQR) for Speed Slide = 6.

For the interquartile range (IQR) for Wave Machine, we have:

Interquartile range (IQR) for Wave Machine = 14 - 8

Interquartile range (IQR) for Wave Machine = 6.

For the required expression, we have the following:

2 = 6x

x = 2/6

x = 1/3.

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Answer:

The difference in the medians is 1/3 times the IQR.

Step-by-step explanation:

hope this helps!

Yes, Paul's Online Math Notes is a good enough source for self-teaching calculus 3 and ODE.

The site is well-organized, with clear explanations and plenty of examples and practice problems. It also includes a section on differential equations, which is helpful for those studying ODE.

However, it is always a good idea to supplement your learning with additional resources, such as textbooks, online videos, and practice problems from other sources.

This will help you gain a deeper understanding of the material and ensure that you are well-prepared for exams.

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The number of rectangular prisms that can be made by 24 unit cubes, two having dimensions mentioned below.

1.  3 units by 4 units by 2 units.

2. 2 units by 3 units by 4 units

To measure and compare various things we use one term which is known as a unit. When all of the measuring units are the same, comparison is simple. Depending on their intended usage, different units can be categorized.

For example, for  length measurement we use units like:- meter, centimeter, inch, miles.

One possible right rectangular prism that can be made using 24 unit cubes has dimensions of 3 units by 4 units by 2 units.

This means it has 3 layers of 4 unit cubes each, with each layer having 2 rows of 3 unit cubes.

Another possible right rectangular prism that can be made using 24 unit cubes has dimensions of 2 units by 3 units by 4 units.

This means it has 2 layers of 3 unit cubes each, with each layer having 4 rows of 2 unit cubes.

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Answer: The relationship between the distance a car has traveled in miles, d, and the amount of gas left in the tank in gallons, x, can be represented by the equation:

d = r * m

where r is the fuel efficiency of the car in miles per gallon and m is the amount of gas consumed in gallons.

Since x is the amount of gas left in the tank, we can write:

x = m_0 - m

where m_0 is the initial amount of gas in the tank.

Combining the two equations, we get:

d = r * (m_0 - x)

This equation represents the relationship between the distance the car has traveled in miles, d, and the amount of gas left in the tank in gallons, x.

Step-by-step explanation:

princess trail is 13200 foot long

thank you

Area of the parallelogram is 65 square meter.

Parallelogram is a type of polygon with four sides, four angles and four vertices. It is a type of Quadrilateral.

Opposite sides are parallel, and the opposite sides and opposite angles are equal.

Area of the parallelogram = Base × Height

From the figure,

Length of base = AB = 3 m + 10 m = 13 m

Height is also given as 5 m.

Area of the parallelogram ABCD = 13 m × 5 m

                                                      = 65 m²

Hence the required area of the parallelogram is 65 m².

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