Use the Rule of 72 to figure out how long it will take a $1,000 deposit to double at 7% interest. Following this rule will give you the number of years it will take for your money to double.

1.You can find another name for plane P by using any three points in the

plane that are not on the same line. Hence, the another name for plane P is the plane GAC .

2. The line intersects the plane is EF

3. The two rays in the plane are CB , DB

4. A,B,C are three points in the plane p.

Spanned by two linearly independent vectors, a plane is a doubly ruled surface in two dimensions. Hyperplanes are the result of extending the plane to higher dimensions. The dihedral angle is the angle at which two planes intersect.

Using any three points on the plane that are not on the same line, you can come up with another name for plane P. Therefore, another name for plane P is GAC. The plane is intersected by the line at EF. CB and DB are the two rays in the plane. There are three points in the plane p, A, B, and C.

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The equation can be written as - 8x + 12 = 8x + 12 which means it has infinite solutions. So, there are infinite values of [x] for which parameters are equal.

In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. A triangle is a polygon with three edges and three vertices. The sum of all the angles of a triangle is 180 degrees. Mathematically -

∠x + ∠y + ∠z = 180°

There are different types of triangles such as -

equilateral triangle , scalene triangle , isosceles triangle etc.

Given is a square and a triangle as shown.

For equal perimeter -

4(2x + 3) = (2x - 2) + 2(3x + 7)

8x + 12 = 2x - 2 + 6x + 14

8x + 12 = 8x + 12

The equation can be written as -

8x + 12 = 8x + 12

which means it has infinite solutions.

So, there are infinite values of [x] for which parameters are equal.

Therefore, the equation can be written as - 8x + 12 = 8x + 12 which means it has infinite solutions. So, there are infinite values of [x] for which parameters are equal.

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Juliet will have  13 cups mixture of the orange juice and water .

Given :-

Juliet already has 9 cups of orange juice , and she adds 32 fluid ounces of water into the  cup of orange uice syrup.

So, we have to find that how much cups of syrup does Juliet had ,

So, we know that

1 cup = 8 ounces

but she adds 32 ounces of water which means

= No. of ounces added / no. of ounces in a glass

= 32 / 8

= 4

therefore ,

9 + 4 = 13 glasses.

which means she has 13 glasses of the syrup made up of water and orange juice .

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Answer:

Apples are least preferred

75% don’t prefer oranges

40 people prefer bananas

Answer:

Step-by-step explanation:

a) apples
b)
(40+ 20 + 15)

75% do not prefer oranges
c)
20% prefer bananas
20% as decimal is 0.2
0.2 * 200 =
40 people prefer bananas

The dimensions of the wooden block are 14cm tall, 4cm long and 3 cm wide.

In three dimensional space prism is a polyhedron where two ends are similar.

Given that volume of rectangular prism is 168 cubic centimeters.

And the wooden block is 2x cm tall, (x-4) cm wide and (x-3) cm long.

And also given that a wooden block in a set of building blocks is a rectangular prism.

That means,

Volume of wooden block = Volume of rectangular prism = 168 cm³

Volume of wooden block ;

length × width × height = 168 cm³

Substituting given values in above expression,

2x (x-3) (x-4) = 168 cm³

2x (x²-7x + 12) = 168 cm³

2x³ - 14x²+ 24x = 168 cm³

Simplifying the above equation;

2x³ - 14x²+ 24x- 168 = 0

x³ - 7x²+ 12x- 84 = 0

The factor of above cubic equation is x = 7.

Now the 2x = 14 , x-3 = 4, x-4 = 3.

Therefore the dimensions of the wooden block are 14cm tall, 4cm long and 3 cm wide.

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Answer:

$221

Step-by-step explanation:

The functions f(g(x)) and g(f(x)) are not inverse functions

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

f(x) = x³

g(x) = 1/3x

Calculate the composite function f(g(x)).

So, we have

f(g(x)) = (1/3x)³

This gives

f(g(x)) = 1/27x³

Calculate the composite function  g(f(x)).

So, we have

g(f(x)) = 1/3(x³)

This gives

g(f(x)) = 1/3x³

The functions f(g(x)) and g(f(x)) are not the same

Hence, they are not inverse functions

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statisticians have been able to show that the normal bell curve property also occurs when the sample size is 30 observations or fewer: False.

The majority of the observations are centred around the middle peak of the normal distribution, which is a continuous probability distribution that is symmetrical around its mean. 

The normal distribution is a continuous probability distribution with symmetry around its mean, a central peak around which the majority of observations cluster, and a tapering off of probabilities in both directions for values that are farther from the mean.

When a result is significant, it simply implies that you may be certain that it is true, not that you merely got fortunate (or unlucky) in the sample selection.

Thus, the statement given in the question is false.

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Answer:

:)

Step-by-step exp

16/.8 = 20

Answer:

20

Step-by-step explanation:

A snowmobile can be rented for $14 per day with a $50 initial fix cost.

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.

Here,

Let the initial fee be x and daily fee be y,

92=x+3y

120=x+5y

x+5y=120

x+3y=92

Subtract both,

2y=28

y=$14

x+5y=120

x+70=120

x=$50

The daily fee to rent a snowmobile is $14 per day with a initial fix fee of $50.

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Decimal of  5% = 0.05,  0.274 to Percent:%  27.4%

A percentage is a figure or ratio that shows a portion of one hundred. A dimensionless connection between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals. The sign "%" is frequently put after the number to indicate percentages.

A decimal is a number that is divided into two parts: a whole and a fraction. Between integers, decimal numbers are used to express the numerical value of complete and partially whole amounts.

a).

so we have to write this in decimal that is remove percentage

To remove % we have , divide it by 100

suppose x% to remove % we divide it by 100,  x% = x/100

5% = 5/100 =0.05 which is in decimal

b). The model was 0.274 of the size that the original was. we need to add percentage so to add percentage multiple it by 100

making x to percentage

x*100 = x%

so 0.274 to % will be

0.274 *100

27.4%

Decimal of  5% = 0.05,  0.274 to Percent:% 27.4%

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Bryan's assertion is not true. Here are two counter examples to disprove it:

1) x = 0

This equation has only one variable, x, but it has no solution because there is no value of x that will make the equation true.

2) x^2 + 1 = 0

This equation also has only one variable, x, but it has no solution because there is no value of x that will make the equation true.

These examples show that it is possible for an equation with one variable to have no solution.

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Answer: $5580

The formula for compound interest is:

A = P(1 + r/n)^nt

where A is the final amount, P is the initial principal (the amount you deposited in the account), r is the annual interest rate (8% in this case), n is the number of times the interest is compounded per year (12 times per year if the interest is compounded monthly), and t is the number of years the money is invested (5 years in this case).

Plugging in the values from the problem, we get:

A = $3000(1 + 0.08/12)^(12*5)

= $3000(1.0067)^60

= $3000*1.86

= $5580

So, after 5 years, you will have $5580 in the account if you deposit $3000 and earn 8% interest compounded monthly.

The value of amount after 5 years is,

⇒ A = $4,380

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

You deposit $3000 in an account earning 8% interest compounded monthly.

Hence, The value of amount after 5 years is,

⇒ A = 3000 [ 1 + 0.08]⁵

⇒ A = 3000 × 1.08⁵

⇒ A = 3000 × 1.46

⇒ A = $4,380

Thus, The value of amount after 5 years is,

⇒ A = $4,380

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Answer: 9

Step-by-step explanation:

27 divided by 3 is 9 so 9 is the constant variation

If a coil of cable ,50m in length has a conductor resistance of 0. 275W,then the value of resistance for 800m of the same cable will be 4.4 ohms.

The opposition to current flow in an electrical circuit is measured by resistance. The Greek letter omega represents the unit of measurement for resistance, known as ohms. Georg Simon Ohm (1784–1854), a German physicist who investigated the connection between voltage, current, and resistance, is the name given to the unit of resistance.

the ratio of a conductor's current to potential difference, which measures how well a thing conducts electricity. This is the resistance' inverse, and it is measured in siemens.

as we are given with;

Length=50m

Resistance=0.275W

we got Formula;

Resistance=pL/A

p/A=R/A

p/A=0.275/50

=0.0055

Now for 800m wire

R= p/A(800)

R=0.0055x800

R=4.4 ohms

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James will declare the error by saying that the calculated volume would be in cubic units instead of square units.

A cone has circular base and smooth curved surfaces that ends at the top.

volume of cone formula is denoted by V = 1/3×(πr²h) cubic unit

        r is the radius of base of cone

       h is the height of cone

      π =3.142

hence, James needs to say that the unit of volume of cone should be written in cubic

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Answer: They both meet up at $160

Step-by-step explanation:

40 + 20= 60 + 20 = 80 + 20 = 100 + 20 = 120 + 20 = 140 + 20 = 160

60 + 15 = 75 + 15 = 90 + 15 = 115 + 15 = 130 + 15 = 145+ 15 = 160

Using a graphing calculator to plot the vertices, the points plotted gave a triangle

This can be said to be the location of the endpoints in a given square. The vertices of a square must be equidistant from one another. This is a place in geometry where common endpoints of two or more rays or line segments meet. Thus, in a square, the vertex is the point where two sides meet. It is each corner of a square. Thus, each square has 4 vertices.

In this problem, we have to use a graphing calculator and plot each points

In doing so, we have A(1, 2), B(4, 2) and C(4, -1)

Plotting the points, it gives a triangle instead of a square;

The point A and B are located in the first quadrant and point C is located in the second quadrant.

Kindly find the attached graph below

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Answer:

subtract the equations

Step-by-step explanation:

the second answer option is nonsense.

if the equations really have exactly one solution, then it is impossible to make them equal.

if 2 equations can be made equal, that means they have infinitely many solutions.

the other answers have all some merit.

but the last one (subtract the equations) is the best one.

it means

y = 2x + 4

- y = 3x - 6

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

0 = -x + 10

after adding x to both sides we get

x = 10

with that we use any of the 2 basic equations to get y :

y = 2x + 4 = 2×10 + 4 = 24

this worked right away, because the y terms have the same coefficients (1). so, by subtracting one equation from the other we eliminate y as variable and can solve for x.

if that was not the case like in

2y = 4x + 8

y = 3x - 6

we would have to do some transformation or manipulation to bring the system into a form like here in the beginning.

and the first and the third answer option would apply.

Answer:

-x+4 [tex]\leq[/tex]y

Step-by-step explanation:

Square root of 3 cos

Consider the given data.

[tex]$$\begin{aligned}& \sin \theta+\sin ^2 \theta=1 \\& \sin \theta=1-\sin ^2 \theta \\& \sin \theta=\cos ^2 \theta\end{aligned}$$[/tex]

We have,

[tex]$$\begin{aligned}& =\cos ^{12} \theta+3 \cos ^{10} \theta+3 \cos ^8 \theta+\cos ^6 \theta+2 \cos ^4 \theta+2 \cos ^2 \theta-2 \\& =\cos ^{12} \theta+3 \cos ^{10} \theta+3 \cos ^8 \theta+\cos ^6 \theta+2\left(\cos ^4 \theta+\cos ^2 \theta-1\right) \\& =\left(\cos ^4 \theta+\cos ^2 \theta\right)^3+2\left(\cos ^4 \theta+\cos ^2 \theta-1\right)\end{aligned}[/tex]

[tex]$$Since, $\sin \theta=\cos ^2 \theta$Therefore,$$\begin{aligned}& =\left(\sin ^2 \theta+\sin \theta\right)^3+2\left(\sin ^2 \theta+\sin \theta-1\right) \\& =1^3+2(1-1) \\& =1+0\end{aligned}[/tex]

[tex]=1[/tex]

Hence, the required value is 1.

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Your friend's rate of change in elevation is 0.5 feet per minute more than your rate.

Rate of change in elevation = elevation of distance/time

The elevation of 720 feet to an elevation of 750 feet in 30 minutes.

Your rate of change in elevation = 750 - 720 / 30

Your rate of change in elevation = 30 / 30

Your rate of change in elevation = 1 foot per minute

Your friend in-line skates from an elevation of 600 feet to an elevation of 690 feet in one hour.

Your friend's rate of change in elevation = 690 - 600 / 60

Your friend's rate of change in elevation = 90 / 60

Your friend's rate of change in elevation = 1.5 feet per minute

The difference in rate of change in elevation = 1.5 - 1 = 0.5 feet per minute

Thus, your friend's rate of change in elevation is 0.5 feet per minute more than your rate.

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Approximate new height QR of the scaffold would be 11.31 Fee

What is Pythagoras theorem?

The pythagorean theorem or Pythagoras' theorem may be a elementary relation in geometry between the 3 sides of a triangle.

Main Body:

A) Here, We'll use "Pythagoras Theorem" which tells:

a² + b² = c²

So, PR² = PQ² + QR²

PR² = 14² + 9²

PR² = 196 + 81

PR = √277

In short,  approximate length of rod PR would be 16.64 Feet.

B) Again, Use the Pythagoras Theorem,  

c² - a² = b²

18² - 14² = b²

b² = 324 - 196

b = √128

b = 11.31

Hence , approximate new height QR of the scaffold would be 11.31 Feet

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The correct part is (d) i.e. 32pq2, -4p2q and 12pq are not constants in the given algebraic expression.

What is a constant?

A constant is a value or number that is consistently the same, regardless of how it is expressed.

The algebraic expression given is 32pq2−4p2q + 12pq−7.

A constant is that term which does not any variable portion or which is fixed.

Here, all terms have variables in the form of p and q but The last term does not have any variable.

So, The terms which have variables are the terms which are not constant.

Hence, 32pq2, -4p2q and 12pq are not constant in the given expression.

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F(x) is defined by the equation f(x) = 5x² - 9x-12, the effect will multiplying

f(x) by 0.5 have on the graph ,then the graph will be compressed vertically.

A transformation in which all distances on the coordinate plane are shortened by multiplying either all x-coordinates (horizontal compression) or all y-coordinates (vertical compression) of a graph by a common factor less than 1.

Given that;

            f(x) = 5x² - 9x-12

Effect will multiplying f(x) by 0.5 , After the transformation

                             g(x) = (0.5) f(x)

After transformation the graph will be composed vertically.

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Answer:

[tex]y=-\frac{3}{4}x-2[/tex]

Step-by-step explanation:

Substitute into point-slope form and rearrange to slope-intercept form.

[tex]y+8=-\frac{3}{4}(x-8) \\ \\ y+8=-\frac{3}{4}x+6 \\ \\ y=-\frac{3}{4}x-2[/tex]

To find the maximum height that the pumpkin reaches, we can set the derivative of the equation equal to 0 and solve for x. The derivative of y = 12 + 105x - 16x^2 is y' = 105 - 32x. Setting y' = 0, we get:

0 = 105 - 32x

32x = 105

x = 105/32

The maximum height is reached when x = 105/32 seconds. To find the maximum height, we can plug this value of x into the original equation:

y = 12 + 105(105/32) - 16(105/32)^2

= 12 + 1053.28125 - 163.28125^2

= 12 + 342.8125 - 106.25

= 248.5625

The maximum height that the pumpkin reaches is 248.5625 feet.

To find the number of seconds it takes for the pumpkin to hit the ground (when its height is 0), we can set y = 0 in the original equation and solve for x:

0 = 12 + 105x - 16x^2

16x^2 - 105x + 12 = 0

(4x - 3)(4x - 4) = 0

The solutions to this equation are x = 3/4 and x = 4/4. The second solution is extraneous, since it represents the time at which the pumpkin was launched (when x=0, y would be 12 feet, not 0 feet). Therefore, the number of seconds it takes for the pumpkin to hit the ground is x = 3/4 seconds.

Answer:

The data given from the graph proves that Catherine and Ana's suspicions were correct and the athletes at their school do indeed have a quicker reaction time than other students at their school. The average reaction time for the athletes ranges from 240 - 300, while the normal student's reaction time ranges from 260 - 330. There still should be more experiments to test this theory to get more detailed and accurate results because there are still athletes that have the same reaction time as normal students and the dot away from the boxes shows that there is a athlete that has a slower reaction rate than all of the  normal students. So it is safe to say there is indeed a difference in reaction times, but not a drastic one.

The correlation coefficient is -7.44, which shows a strong negative correlation.

To calculate the correlation coefficient, you can use the following formula:

r = (n Σ(xy) - Σ(x) Σ(y)) / √((n Σ(x²) - (Σ(x))²) (n Σ(y²) - (Σ(y))²))

Where n is the number of data points, x is the variable on the x-axis, y is the variable on the y-axis, Σ(xy) is the sum of the products of x and y, Σ(x) is the sum of x, Σ(y) is the sum of y, Σ(x²) is the sum of the squares of x, and Σ(y²) is the sum of the squares of y.

Plugging in the values from the data, we get:

r = (5 x 198 - 39 x 91) / √((5 x 114 - 39²) x (5 x 187 - 91²))

Simplifying this equation gives us:

r = (-179) / √((-97) x (-6))

r = (-179) / √(582)

r = (-179) / 24.07

r = -7.44

The correlation coefficient is -7.44, which indicates a strong negative correlation. This means that as the value of x increases, the value of y decreases. Conversely, as the value of x decreases, the value of y increases.

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Answer:

bom é a soma dos algarismos se for matemática