Who can help me on times tables and parrellograms, im slow.

Answer:

The cause is the independent variable. In your study, its value is independent of other variables. The affect is the dependent variable. Its value depends on the independent variable being changed.

Step-by-step explanation:

Answer: Its next to the 2

Step-by-step explanation: I saw it

As movie ticket prices rise, demand decreases or declines. When the cost of the neighborhood Internet service provider rises, demand likewise decreases. Demand decreases as cappuccino prices rise.

Demand is the quantity of things that consumers are willing and able to purchase at various prices within a specific time frame. The term "demand curve" refers to the relationship between price and quantity demanded. Demand is just a consumer's desire to buy products and services immediately and to pay the price associated with them. Demand can be defined as the quantity of things that consumers are prepared and willing to purchase at various prices within a specific time frame.

Given,

As movie ticket prices rise, demand decreases or declines.

When the cost of the neighborhood Internet service provider rises, demand likewise decreases.

Demand decreases as cappuccino prices rise.

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Answer:

sanaol alam ang sagot

Step-by-step explanation:

salamat sa points

Option C represents a modified Hardy-Weinberg equation that incorporates the effects of natural selection on a population. The equation is given as:

$(p-3s)^2 + 2(p-s)q + q^2 = 1$

In this equation, various terms are included to express the impact of natural selection. Let's break down the equation and understand its components.

$p$ represents the frequency of the dominant allele in the population, while $q$ represents the frequency of the recessive allele. These frequencies are determined based on the initial allele frequencies in the population.

The term $(p-3s)^2$ represents the expected frequency of the homozygous dominant genotype in the next generation. The factor $3s$ denotes the selection coefficient, where $s$ represents the frequency of homozygous recessive individuals who do not survive due to natural selection. By subtracting $3s$ from $p$, we account for the reduction in the frequency of the dominant allele due to selection.

The term $2(p-s)q$ represents the expected frequency of the heterozygous genotype in the next generation. This term incorporates both the initial frequency of the heterozygous individuals, represented by $(p-s)$, as well as the transmission of alleles through reproduction, given by $q$. The factor of 2 accounts for the two possible combinations of alleles in the heterozygous genotype.

Finally, $q^2$ represents the expected frequency of the homozygous recessive genotype in the next generation. This term considers the transmission of the recessive allele, represented by $q$, and its squared value accounts for the homozygous recessive genotype.

The equation is set equal to 1, as the frequencies of all genotypes should sum to 1 in a population.

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Answer:

1st option

Step-by-step explanation:

Given y varies inversely as x then the equation relating them is

y = \(\frac{k}{x}\) ← k is the constant of variation

To find k use (3, 8 ) , that is x = 3 when y = 8 , then

8 = \(\frac{k}{3}\) ( multiply both sides by 3 )

24 = k

y = \(\frac{24}{x}\) ← equation of variation

The probability that 4 red cards and 9 black cards are dealt is 0.0735.

Let E be the event that 4 red cards and 9 black cards are dealt.

According to the given question.

Number of card hand that is dealt from a well-shuffled standard 52- card deck is 13

Total number of red cards in a well shuffled card deck = 26

Total number of black cards in a well shuffled card = 26

Now, the number of ways to dealt 13 cards = \(^{52} C_{13}\)

Number of ways to dealt 9 black cards = \(^{26}C_{9}\)

And, the number of ways to dealt 4 red cards = \(^{26} C_{4}\)

As, we know that the probability of an event is calculated by taking the ratio of the favorable outcomes to the total number of outcomes.

Therefore, the the probability that 4 red cards and 9 black cards are dealt is given by

P(E) = \(\frac{^{26}C_{9}\times \ ^{26}C_{4} }{^{52}C_{13} }\)

⇒ P(E) = \(\frac{\frac{26!26!}{9!4!17!22!} }{\frac{52!}{13!39!} }\)

⇒ P(E) = 0.0735

Hence, the probability that 4 red cards and 9 black cards are dealt is 0.0735.

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Answer:

Step-by-step explanation:

Answer is "B"

The area and circumference of the given circle are 200.96 cm2 200.96 c m 2 and 50.24 cm 50.24 c m respectively.

Circumference of circle:

In geometry, a circumference is the circumference of a circle or an ellipse. That is, the circumference will be the length of the arc of the circle as if it were open and straight to the line segment. More generally, the perimeter is the length of the curve around any closed figure. The circumference can also designate the circle itself, the trajectory corresponding to the edge of a disk. The circumference of a sphere is the circumference or length of one of its great circles.

Area of circle:

The area of ​​a circle is the space the circle occupies in a two-dimensional plane. Alternatively, the space occupied inside the boundary/perimeter of a circle is called the area of ​​the circle. The formula for the area of ​​a circle is A = πr2, where r is the radius of the circle. Area unit is square unit, such as m2, cm2, in2, etc.

According to the Question:

The circumference C of a circle with radius r is given by

C = 2πr

where the units of C will be the same as the unit of R.

The problem tells us that the radius r = 8m.

And, we will say π = 3.14

So,

C = 2(3.14)(8) = 50.24m

The units are meters.

Now, the area A of a circle with radius r is given by

A = πr², where the units of A will be the units of r squared.

Again,

we know r = 8,π = 3.14, so

A= 3.14(8²)

8² = 8⋅8 = 64,

Thus,

A= 64(3.14) = 200.96m²

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Answer:

$168

Step-by-step explanation:

use the I = Prt simple interest formula

Answer:

22 miles

Step-by-step explanation:

The taxi company charged a pick-up fee of $3.40 plus $3.50 per mile. The total fare was $80.40.

The equation will be:

3.40 + 3.50(x) = 80.40

3.40 + 3.5x = 80.40

3.5x = 80.40 - 3.40

3.5x = 77

x = 77/3.5

x = 22

The number of miles in the taxi ride is 22 miles.

Answer:
I believe the answer is 11 units

Step-by-step explanation:

as point P and Q are 11 horizontal units apart from each other.

Answer:

t = 7.875 seconds

Step-by-step explanation:

Comment

The formula itself gives you the answer almost directly.

Givens

S(t) = 217 feet

a = - 16

b = 12

Formula

S(t) = - 16t^2 + 126t

0 = -16t^2 + 126t - 217

Solution

You must use the formula for solving a quadratic.

t = (-b +/- (√b^2 - 4*ac)/2a               Substitute the gives into the quadratic formula

t = (-126 +/- √126^2 - 4(-16)(-217) )

t = (-126 +/- √15876) 2*-16

t = (-126 +/- 126) / 2* - 16

There are 2 values for t.                  One is not usable.

t = (-126 + 126)/-32 = 0

so t = 0 so that's impossible

t =  - 252 / - 32                                Combined -126 and - 126

t = 7.875 seconds.

After 7.875 seconds, the ball has gone up 217 feet. The reason you are getting only one answer is likely that you are getting the going up distance. But after the ball has reached its highest point if may have the going down distance = 217 feet from the ground. The formula does not provide it however.                          

Answer:

Step-by-step explanation: -130

Answer:

-130

Step-by-step explanation:

The "d" format specifier is used to denote a signed decimal integer in various programming languages and formatting systems.

When used in format strings or printf-style functions, the "d" specifier indicates that the corresponding argument should be formatted as a signed decimal integer. It allows for the representation of both positive and negative whole numbers, including zero.

For example, in C programming, the printf function can be used with the "%d" format specifier to display a signed decimal integer value. Similarly, in other languages such as Python, the "{:d}" format specifier can be used with the format() function or string interpolation to represent a signed decimal integer.

Using the "d" specifier ensures that the output is formatted as a base-10 representation of a signed integer, taking into account the sign of the number.

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Answer:

The solution is x = 9

Step-by-step explanation:

3x - 5 = 4 + 2x

subtract 2x from each side:

x - 5 = 4

add 5 to each side:

x = 9

Answer: g(x)= -1/2x^2

Step-by-step explanation: since the parabola is opening downwards it would have to be a negative so all we are left with is g(x)=-2x^2 and g(x)-1/2x^2 and if we go in the calculator and type up each equations you would see our answers is g(x)=-1/2x^2

The 95 confidence interval normal distribution  of the mean for μ = 13.0, s = 1.6, and n = 21 is 12.30 to 13.70.

The confidence interval is a range that covers a point estimate, like a sample mean, with a certain degree of uncertainty.The formula for Confidence Interval is as follows:Confidence interval = point estimate ± margin of errorThe formula for the margin of error is as follows:Margin of error = critical value x standard errorwhere x is the mean, s is the standard deviation, and n is the sample size.In this question, the point estimate is the sample mean, which is 13.0. The standard deviation is 1.6, and the sample size is 21.

Therefore, the standard error = s/√n=1.6/√21 = 0.35At a 95% confidence level, the critical value is 1.96.The confidence interval formula can be used to calculate the 95% confidence interval for the mean:Confidence interval = 13.0 ± 1.96(0.35)Therefore, the 95% confidence interval of the mean is [12.30, 13.70].

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The process of converting repeating, non-terminating decimal to a fraction has been explained below. On conversion of 0.1515…, we get the fraction as 5/33.

What is a non-terminating decimal?

Non-terminating decimals are those decimal numbers that never reach an end since there is no endpoint in their decimal digits.

We are given a repeating, non-terminating decimal as 0.1515…

So, let x = 0.1515151515  ...(1)

Here, .15 is repeating

So, we will move one set of the repeating digits in front of the decimal.

By this, we get

100x = 15.1515151515     ...(2)

Now, on subtracting (1) from (2), we get

⇒100x - x = 15.1515151515 - 0.1515151515

⇒99x = 15

⇒x = 15/99

⇒x = 5/33

Hence, this way we can convert repeating, non-terminating decimal to a fraction.

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The correct answer is E, None of the above.

In a simple linear regression analysis, the following sums of squares are produced:

The proportion of the variation in Y that is explained by the variation in X can be obtained from the coefficient of determination R².

The coefficient of determination is a statistical measure that explains how much the change in the dependent variable can be attributed to the change in the independent variable(s).

Coefficient of determination R² gives the proportion of total variation in Y which is explained by X. This value always lies between 0 and 1.

According to the given options, the answer to the proportion of the variation in Y that is explained by the variation in X is none of the above. The coefficient of determination R² will tell the actual percentage of variation explained by X.

Therefore, the answer cannot be determined from the given data and options. The coefficient of determination (R²) ranges from 0 to 1, where 0 means no linear relationship and 1 means perfect linear relationship.

It explains the percentage of total variation in the dependent variable that can be explained by the independent variable(s).

Thus, the correct answer is E, None of the above.

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The approximate surface area of the cylindrical mailing tube is 276.5 square inches.

To find the surface area of a cylinder, we need to add the area of the two circular bases and the area of the curved surface.

First, we need to find the area of one circular base.

The formula for the area of a circle is A = πr^2, where r is the radius.

Since the diameter is 4 inches, the radius is half of that, which is 2 inches. Plugging that into the formula, we get:
A = π(2)^2
A = 4π

Therefore, the area of one circular base is approximately 4π square inches.

Next, we need to find the area of the curved surface.

The formula for the lateral area of a cylinder is L = 2πrh, where r is the radius and h is the height of the cylinder.

In this case, we know that the length of the cylinder (which is the same as the height) is 20 inches. We also know that the radius is 2 inches.

Plugging these values into the formula, we get:
L = 2π(2)(20)
L = 80π

Therefore, the curved surface area of the cylinder is approximately 80π square inches.

To find the total surface area, we need to add the area of the two circular bases and the curved surface area:
SA = 2(4π) + 80π
SA = 8π + 80π
SA = 88π

Using a calculator, we can approximate this value to the nearest tenth of a square inch:

SA ≈ 276.5 square inches

Therefore, the approximate surface area of the cylindrical mailing tube is 276.5 square inches.

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The runner has to run more 8.808 km to finish the race.

So, the runner ran 1.192 km out of 10 km.

Then, the remaining distance:

Therefore, the runner has to run more 8.808 km to finish the race.

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Therefore , the solution of the given problem of equation comes out to be  option c is correct 2y = f(x) .

The equal letter (=) is used to signify equivalence between the statements in a mathematical formula. Using mathematical equation, which are declarations of reality, it is shown that many mathematical variables are equivalent. For instance, the equal sign in the equation

y + 6 = 12 divides the values 12 or b + 6 into two halves. The number of words that each side of a symbol corresponds to can be measured. Typically, a symbol's meaning is at odds with itself.

Here,

Given :

Every point on the graph in red is 1/2 away from the x-axis as that of the equivalent position on the graph in black.

Therefore, the vertically scale factor is equal to 1/2:

=> y = (1/2)f(x)

This problem can be solved by multiplying it by two and yields the following solution:

=> 2y = f(x)

thus , option c is correct

Therefore , the solution of the given problem of equation comes out to be  option c is correct 2y = f(x) .

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The variable that makes the expressions (5x + 60) and (3x + 25) equal is x = -17.5.

There is no specific question or task mentioned in the prompt. However, if we assume that the task is to find the variable that makes these two expressions equal, we can set them equal to each other and solve for x:

5x + 60 = 3x + 25

Subtracting 3x from both sides:

2x + 60 = 25

Subtracting 60 from both sides:

2x = -35

Dividing both sides by 2:

x = -17.5

Therefore, the variable that makes the expressions (5x + 60) and (3x + 25) equal is x = -17.5.

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The area bounded by the graphs of y = 4 - x^2 and y = 2x - 4 on the interval (-1,2) can be found using integration.

To find the area bounded by the two given graphs, we need to determine the points of intersection first. Setting the equations equal to each other, we have:

4 - x^2 = 2x - 4

Rearranging the equation, we get:

x^2 + 2x - 8 = 0

Factoring the quadratic equation, we have:

(x + 4)(x - 2) = 0

This gives us two possible x-values: x = -4 and x = 2.

Next, we integrate the difference of the two functions between these x-values to find the area between the curves.

∫[a,b] (f(x) - g(x)) dx

Applying this formula, we integrate (4 - x^2) - (2x - 4) with respect to x from -1 to 2:

∫[-1,2] (4 - x^2) - (2x - 4) dx

Simplifying the integral, we get:

∫[-1,2] (8 - x^2 - 2x) dx

Evaluating this integral, we find the area between the curves:

[8x - (x^3/3) - x^2] evaluated from -1 to 2

After calculating the values, the area bounded by the graphs is determined.

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The tangent ratio is used to solve for a missing angle in a right triangle by dividing the length of the side opposite the angle by the length of the side adjacent to the angle.

Using the tangent ratio, we can find a missing angle in a right triangle by taking the inverse tangent (arctan) of the ratio. For example, if we know the length of the side opposite an angle and the length of the side adjacent to the angle, we can use the tangent ratio to find the value of the angle.

Using the cotangent ratio, we can also find a missing angle in a right triangle by taking the inverse cotangent (arccot) of the ratio. If we know the length of the side adjacent to an angle and the length of the side opposite the angle, we can use the cotangent ratio to find the value of the angle.

The main difference between using the tangent ratio and the cotangent ratio is the order of the sides in the ratio. The tangent ratio involves the opposite side divided by the adjacent side, while the cotangent ratio involves the adjacent side divided by the opposite side.

Both the tangent and cotangent ratios are useful tools for solving right triangles and finding missing angles. The choice between using one or the other depends on the given information and the specific problem at hand.

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The Big Ideas or Focal Points in the mathematics curriculum in grade 5 are:
1. Number Sense and Algebraic Thinking. 2. Geometry and Spatial Sense. 3. Data Analysis and Probability. 4. Measurement and Estimation. 5. Problem Solving

1. Number Sense and Algebraic Thinking - understanding numbers, relationships between numbers, and operations;
2. Geometry and Spatial Sense - understanding, representing, and reasoning with two- and three-dimensional shapes;
3. Data Analysis and Probability - understanding, organizing, and interpreting data;
4. Measurement and Estimation - understanding units of measurement and making reasonable estimates;
5. Problem Solving - applying appropriate strategies to solve mathematical problems.


These Big Ideas or Focal Points are important because they help students to develop a deeper understanding of mathematical concepts and to build a strong foundation for further learning in mathematics. By focusing on these key concepts, students are able to gain a better understanding of how mathematics works and how it can be applied in real-world situations.

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Answer:

y = -4/5x

Step-by-step explanation:

it crosses the y line at 0 so you leave the y-intercept out of the equation

Answer:

$47.52

Step-by-step explanation:

Since the coat went up by $4 and the original price was $40, the new price is $44. There is a tax rate of 8% meaning we multiply the original price by 108% or 1.08 since we are adding 8% onto the price.

44 x 1.08 = $47.52

The equation of the trend line in the graph can be found to be y = 5 x + 15

The equation of the trend line takes the form :

y = Slope ( x ) + y intercept

From the diagram, we know the y - intercept is 15 as this is where the line intercepts the y - axis.

The slope can be found by picking a point and using the formula. We will pick ( 1, 20 ).

The slope is:

20 = Slope ( 1 ) + 15

Slope = 20 - 15

Slope = 5

The equation is:

y = 5 x + 15

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