PLEASE HELP DUE IN 30 MIN I WILL GIVE BRAINLIEST PLEASE HELP AND DONT SPAM PLEASE HELP IM ALREADY FAILING MATH :-(

Answer:

every answer is correct

Step-by-step explanation:

Answer:

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The collector's item has a growth rate of the  is approximately 0.1324, or 13.24%

To determine the growth rate of the collector's item, we can use the formula for exponential growth:

\(V = P * (1 + r)^t\)

Where:

V is the final value ($496),

P is the initial value ($212),

r is the growth rate, and

t is the time period (1986 - 1980 = 6 years).

We can rewrite the formula as:

\((1 + r)^6 = 496 / 212\)

To solve for r, we can take the sixth root of both sides:

\(1 + r = (496 / 212)^{(1/6)}\)

Subtracting 1 from both sides gives us:

\(r = (496 / 212)^{(1/6)} - 1\)

Using a calculator, we can calculate the value of r:

r ≈ 0.1324

Therefore, the growth rate of the collector's item is approximately 0.1324, or 13.24%.

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Answer:

6

Step-by-step explanation:

To breakeven means that you made exactly as much money as you spent, so if you spent $50 to make lemonade, you would need to make $50 in profits from selling to break even

first subtract the cost of making each horse from the price of selling each horse (you do this to find out how much profits he makes from one horse):

125 - 75 = 50

now divide 300 by 50 to find out how many horses need to be made to break even:

300 ÷ 50 = 6

Answer:

Step-by-step explanation:

   1, 238.46 total money

-      975.00 money spent

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

      263.46

Answer:

July 25, 1980 :)

Step-by-step explanation:

Answer:

The cost of the necklace would be 7 dollars.

5*3 = 15

40-4=36

36-15=21

21/3= 7 dollar necklaces.

I didn't round to the nearest integer you have to do that yourself.

Answer:

m=1+2n

Step-by-step explanation:

4(m+3)-8n=16

4m+12-8n=16

4m=16-12+8n

4m=4+8n

4m=4(1+2n)

m=1+2n

Answer:

\(\Longrightarrow: \boxed{\sf{m=2n+1}}\)

Step-by-step explanation:

To solve this problem, you have to isolate the term of m on one side of the equation.

First, add by 8n from both sides.

\(\Longrightarrow: \sf{4\left(m+3\right)-8n+8n=16+8n}\)

Solve.

\(\Longrightarrow: \sf{4\left(m+3\right)=16+8n}\)

Then, you divide by 4 from both sides.

\(\Longrightarrow: \sf{\dfrac{4\left(m+3\right)}{4}=\dfrac{16}{4}+\dfrac{8n}{4}}\)

Solve.

16/4+8n/4=2(n+2)

m+3=2(n+2)

Subtract by 3 from both sides.

\(\Longrightarrow: \sf{m+3-3=2\left(n+2\right)-3}\)

Solve.

\(\Longrightarrow: \boxed{\sf{m=2n+1}}\)

I hope this helps, let me know if you have any questions.

Thus, beginning with a 1 = 5, the formula a n = a n-1 + 7 can be used to recursively find the nth term of the sequence.

A sequence in mathematics is an ordered collection of numbers that is typically defined by a formula or rule. Every number in the series is referred to as a term, and its location within the sequence is referred to as its index. Depending on whether the list of terms stops or continues indefinitely, sequences can either be finite or infinite. By their patterns or uniformity, sequences can be categorised, and the study of sequences is crucial to many areas of mathematics, such as calculus, number theory, and combinatorics. Mathematical, geometrical, and Fibonacci sequences are a few examples of popular sequence types.

given

The sequence's terms are all different by 7 (i.e., 12 - 5 = 19 - 12 = 26 - 19 =... = 7).

The following is a definition of a recursive formula for the nth element of the sequence:

a 1 = 5 (the first term of the series is 5) (the first term of the sequence is 5)

For n > 1, each term is derived by adding 7 to the preceding term, so a n = a n-1 + 7.

Thus, beginning with a 1 = 5, the formula a n = a n-1 + 7 can be used to recursively find the nth term of the sequence. For instance, we have

a_2 = a_1 + 7 = 5 + 7 = 12

a_3 = a_2 + 7 = 12 + 7 = 19

a_4 = a_3 + 7 = 19 + 7 = 26

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Given equation of a linear equation is:

2x - 3y = 6

To find x-intercept:Putting y = 0 in the equation, we get

2x - 3(0) = 62x = 6x = 3

Hence, x-intercept is (3, 0)Detailed answer:Given equation of a linear equation is:

2x - 3y = 6

To find x-intercept:Putting y = 0 in the equation, we get

2x - 3(0) = 62x = 6x = 3

Hence, x-intercept is (3, 0)

A coordinate is said to be x-intercept of the line if its corresponding value of y is 0. So, by putting y = 0 in the equation we get the x-intercept of the equation. We got the x-intercept by putting y = 0 in the given equation, we got the value of x as 3, which is the coordinate of the x-intercept of the line.The x-intercept can also be found by substituting the point where the line intersects the x-axis. The y-coordinate of any point on the x-axis is zero.

Hence, we put y = 0 in the given equation and solve for x, then we get the value of x-coordinate of the point where the line intersects the x-axis. Therefore, the x-coordinate is equal to 3 and thus, the coordinate is (3, 0).Thus, the x-intercept of the given linear equation is (3, 0).

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Answer: 7

Step-by-step explanation:

i wish i knew why

Answer:

Step-by-step explanation:

y-y1 = m (x-x1), where (x1,y1) is the point the line passes through and m is the slope

y-(-1) = 2 (x-3)

y+1 = 2x - 6

Answer:

12.56

Step-by-step explanation:

The arc length of the partial circle is L = 18.849 units

The central angle is an angle with two arms and a vertex in the middle of a circle. The two arms of the circle's two radii intersect the circle's arc at two separate locations. It is an angle whose vertex is the center of a circle with the two radii lines as its arms, that intersect at two different points on the circle.

The central angle of a circle formula is as follows.

Central Angle = ( s x 360° ) / 2πr

where s is the length of the arc

r is the radius of the circle

Central Angle = 2 x Angle in other segment

Given data ,

Let the radius of the circle be r = 4 units

Let the arc length of the circle be L

Let the central angle be = 270°

So , Central Angle = ( s x 360° ) / 2πr

On simplifying , we get

L = ( 270° / 360° ) x 2πr

L = ( 3/4 ) ( 8π )

L = 18.849 units

Hence , the arc length of the circle is 18.849 units

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Answer:

Answers: (to the nearest hundredth)

Between two cars,

Central angle = 0.39 radians (or 71.4°)

Arc length = 7.85 ft

Area of a sector = 78.54 ft²

Step-by-step explanation:

The correct statements that are true about experimental probability is choices A, C, and D.

Experimental probability is a probability that is determined on the basis of a series of experiments.

A random experiment is done and is repeated many times to determine their likelihood and each repetition is known as a trial.

The experiment is conducted to find the chance of an event to occur or not to occur. It can be tossing a coin, rolling a die, or rotating a spinner. In mathematical terms, the probability of an event is equal to the number of times an event occurred ÷ the total number of trials.

Also, experimental probability of an event is the ratio of the number of outcomes in which a specified event occurs to the total number of trials,  not in a theoretical sample space but in an actual experiment.

Thus, The correct statements that are true about experimental probability is choices A, C, and D.

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Answer:

Salinity and conductivity measure the water's ability to conduct electricity, which provides a measure of what is dissolved in water. In the SWMP data, a higher conductivity value indicates that there are more chemicals dissolved in the water.

Step-by-step explanation:

It is False that based only on the r and p values listed above you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

In the given scenario, it is not completely true that based only on the r and p values listed above, you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

Let's first understand what is meant by the term "moderator.

"Moderator: A moderator variable is a variable that changes the strength of a connection between two variables. If there is a statistically significant bivariate relationship between the amount of texting during driving and the number of accidents, scientists investigate whether this bivariate relationship is moderated by age.

Therefore, based on the values of r and p, it is difficult to determine if age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

As we have to analyze other factors also to determine whether the age is a moderator or not, such as the sample size, the effect size, and other aspects to draw a meaningful conclusion.

So, it is False that based only on the r and p values listed above you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

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When 750 minutes is being converted to weeks, the number of weeks would be= 0.074 week.

To convert the number of given minutes to weeks to following is carried out using the provided parameters.

First convert to hours, that is;

60mins = 1 hour

750 mins = X hour

make X the subject of formula;

X = 750/60 = 12.5 hours

Secondly convert to days;

24 hours = 1 day

12.5 hours = y days

make y the subject of formula;

y = 12.5/24 = 0.52 day

But 1 week = 7 days

X week = 0.52 day

X = 0.52/7 = 0.074week.

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What's the question:

whats the question

What's the question:

whats the question

Number sense is a foundational mathematical concept that relates to a person's ability to understand, manipulate, and use numbers.

It involves the ability to comprehend and use the magnitude, relative value, and relationships between numbers, as well as the ability to estimate and perform mental calculations.

Measurement sense is the area of number sense that has to do with the quantity of ingredients in recipes. The capacity to comprehend and contrast quantities, sizes, and measurements is known as measurement sense.

Measurement sense is crucial in baking and cooking since recipes frequently call for exact measurements of materials to produce the desired results.

Measurement sense also includes knowing and using various units of measurement including cups, ounces, grams, and litres.

Therefore, Another crucial component of measuring sense in cooking is the capacity to estimate and modify measurements according to the intended result or the required number of servings.

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Answer:

x = 7

Step-by-step explanation:

7x - 12 = 9x - 26

7x - 12 = 9x - 26

+12 +12

7x = 9x - 14

7x = 9x - 14

-9x -9x

-2x = -14

-2x = -14

___. ___

-2 -2

x = 7

Answer:

Quotient is basically division.

Step-by-step explanation:

1329/4 is basically

332.25 is the answer

Rounding to the nearest tenth, the measure of UV is 7.1.

An angle is a measure of space between two lines or planes. It is measured in degrees, using a protractor, and can range from 0 to 360. Angles can be either acute, obtuse, right, straight, reflex, or full. Acute angles are angles that measure less than 90 degrees, obtuse angles measure more than 90 degrees, right angles measure exactly 90 degrees, straight angles measure 180 degrees, reflex angles measure more than 180 degrees, and full angles measure 360 degrees.

To find the measure of UV in ∆ UVW, we will use the law of cosines. The law of cosines states that \(c^{2} =a^{2} +b^{2} -2ab cos C\), where c is the length of the side opposite angle C, a and b are the lengths of the other two sides, and C is the angle opposite side c. In this case, side c is UV, a is UW, b is VW, and C is ∠ W.

Plugging in the given values, we get:

\(U^{2}V^{2}\) = \(9^{2} + 12^{2} - 2 *9* 12 cos *35\)

\(U^{2} V^{2}\) = 81 + 83.44 – 162.08 cos 35°

\(U^{2} V^{2}\) = 164.44 – 114.45

\(U^{2} V^{2}\) = 49.99

Taking the square root of both sides, we get:

UV = 7.086

Rounding to the nearest tenth, the measure of UV is 7.1.

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Answer: 15%

Step-by-step explanation:

The Percentage decrease will be:

= Decrease in weight / Old weight × 100

= (200 - 170) / 200 × 100

= 30/200 × 100

= 15%

The Percentage decrease is 15%

We have the next function

a)

We substitute t=0 in the function

6.1 billion in the year 2000

b)

In 2200, t=200

We substitute the value of t in the function given

11.79 billion in the year 2200

c)

The graph of the function is

d)

The size of the world population seems to approach is 12 billion of people

ANSWER

a) 6.1 billion in the year 2000

b) 11.79 billion in the year 2200

c) see the graph above

d) 12 billion of people

The difference between the linear and projectile motion is that "Linear-motion" refers to motion of object in a "straight-line", while "projectile-motion" refers to motion of an object that is thrown into air, in a curved path.

In linear motion, the object moves along a straight line, with its velocity and acceleration aligned in the same direction. The object's speed and direction may change, but its motion remains linear.

In projectile motion, the object moves along a curved path under the influence of gravity. The object is launched into the air with an initial velocity, and then gravity causes it to follow a parabolic path until it lands back on the ground. The motion of the object is influenced by both its initial velocity and the force of gravity.

In both linear and projectile motion, the "horizontal-component" of velocity will usually remain constant because there is no external force acting on the object in horizontal direction, and thus no acceleration.

Therefore, the object will continue to move at a constant velocity in the horizontal direction, as long as there is no external force acting on it.

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Answer:

  C.  142°

Step-by-step explanation:

You want the angle between vectors u=3i+√3j and v=-2i-5j.

There are a number of ways the angle between the vectors can be found. For example, the dot-product relation can give you the cosine of the angle:

  u•v = |u|·|v|·cos(θ) . . . . . . where θ is the angle of interest

You can find the angles of the vectors individually, and subtract those:

  u = |u|∠α

  v = |v|∠β

  θ = α - β

When the vectors are expressed as complex numbers, the angle between them is the angle of their quotient:

  \(\dfrac{\vec{u}}{\vec{v}}=\dfrac{|\vec{u}|\angle\alpha}{|\vec{v}|\angle\beta}=\dfrac{|\vec{u}|}{|\vec{v}|}\angle(\alpha-\beta)=\dfrac{|\vec{u}|}{|\vec{v}|}\angle\theta\)

This method is used in the calculation shown in the first attachment. The angle between u and v is about 142°.

A graphing program can draw the vectors and measure the angle between them. This is shown in the second attachment.

__

Additional comment

The approach using the quotient of the vectors written as complex numbers is simply computed using a calculator with appropriate complex number functions. There doesn't seem to be any 3D equivalent.

The dot-product relation will work with 3D vectors as well as 2D vectors.

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The length of the side of the smaller square is 7 inches.

Let x be the length of the side of the smaller square.

The length of each side of a square is 3 inches more than the length of each side of a smaller square. Thus the length of the side of the larger square is

(x + 3) inches.

The area of the smaller square is

x^2 square inches.

The area of the larger square is

(x + 3)^2 square inches.

We can set up the equation:

x^2 + (x + 3)^2 = 149

Expanding and simplifying the equation gives:

x^2 + x^2 + 6x + 9 = 149

Combining like terms:

2x^2 + 6x - 140 = 0

Using the quadratic formula, we can solve for x:

x = (-b ± √(b^2 - 4ac)) / 2a

x = (-6 ± √(6^2 - 4 * 2 * (-140))) / 2 * 2

x = (-6 ± √(36 + 1120)) / 4

x = (-6 ± √(1156)) / 4

x = (-6 ± √(596)) / 4

x = (-6 ± 34) / 4

x = -10 or x = 7

The side length of the smaller square can't be negative, so x = 7 inches.

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The time taken for the water level in the tank to drop from 3 to 0.5 meters above the bottom cannot be determined without additional information.

To calculate the time taken, we need to know the flow rate or discharge rate of the water from the tank. This information is not provided in the question. The time taken to drain the tank depends on factors such as the diameter of the outlet pipe, the pressure difference, and any restrictions or obstructions in the flow path.

If we assume a known discharge rate, we can use the principles of fluid mechanics to calculate the time. The volume of water that needs to be drained is the difference in the volume of water between 3 meters and 0.5 meters above the bottom of the tank. The flow rate can be determined using the pipe diameter and other relevant factors. Dividing the volume by the flow rate will give us the time taken.

However, since the discharge rate is not given, we cannot perform the calculation and determine the time taken accurately.

Without knowing the discharge rate or additional information about the flow characteristics, it is not possible to calculate the time taken for the water level in the tank to drop from 3 to 0.5 meters above the bottom.

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The solutions for the systems of inequalities are:

a) (0, -100), (0, -150), (0, -1000)

b)  (0, 50), (0, 55) , (0, 1,204).

When we have a system of inequalities, a solution is a point that solves both ienqualities at the same time.

The first one is:

y ≤ x - 8

y < -3x - 9

Here y must be smaller than x, then we can define x like x = 0, and really small values for y, like y = -100, replacing that we will get:

-100  ≤ 0 - 8 = -8

-100 < - 3*0 - 9 = -9

Both of these are true, so (0, -100) is a solution, and trivially, (0, -150) and (0, -1000) are other two solutions.

For the second system:

y > 5x + 1

y > 3

Let's do the same thing, x = 0 and y gets really large values, like y = 50

50 > 5*0 + 1 = 1  this is true.

50 > 3   this is true.

so (0, 50) is a solution, and also are (0, 55) and (0, 1,204).

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