point F is on line segment EG. given FG = 8, EF = 2x + 4, and EG = 4x - 10, determine the numerical length of EF

The value of b could be 0 so that the equation x + 3 - (1/2)x  = 3/4(bx - 5) has exactly one solution.

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The equations are:

x + 3 - (1/2)x  = 3/4(bx - 5)

Let

b = 0

x + 3 - (1/2)x  = 3/4(- 5)

x/2 = -15/4 - 3

x/2 = -27/4

x = -27/2

Thus, the value of b could be 0 so that the equation x + 3 - (1/2)x  = 3/4(bx - 5) has exactly one solution.

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Answer:

The decimal terminates and does not repeat

Step-by-step explanation:

1/8 = .125

Answer: -12

Step-by-step explanation:

0.5(x+6) = 1 + 0.25(x-4)

0.5x + 0.5×6 = 1+ 0.25x - 0.25×4

0.5x - 0.25x = 1 - 1 -3

0.25x = -3

x = -12

Answer:

the answer is 60

Step-by-step explanation:

P(X < 4) = 0.8059

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

In which is the number of different combinations of x objects from a set of n elements, given by the following formula.

And p is the probability of X happening.

In this problem we have that:

In which

P(X < 4) = 0.8059

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Andy hired the carpet cleaner for 9 days, bringing the total cost to £82.20.

An equation is an expression that shows the relationship between two or more numbers and variables. Dependent variables depend on other variable while an independent variable .

Let y represent the amount of money paid to the carpet cleaner for working x days. Multiply the number of days by 7.8 and then add 12, Hence:

y = 7.8x + 12

For a total cost of 82.20

82.2 = 7.8x + 12x  = 9.

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The coordinates of point A is (1.7,3.8)

A coordinate plane is a surface with two dimensions made up of two number lines. It is created when the origin, the point at which the X-axis and Y-axis cross, is reached. To locate points, one uses the numbers on a coordinate grid. A coordinate plane is useful for graphing points, lines, and many other things. It serves as a map and provides clear instructions for getting from one place to another.

Start at the point, then move up or down a vertical line until you reach the x-axis. Your x-coordinate is shown there which is 1.7. To get the y-coordinate, repeat the previous step while adhering to a horizontal line you will get y coordinate as 3.8

The coordinates of point A is (1.7,3.8)

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Answer: 1/24

Step-by-step explanation:

1/2 * 1/12 = 1/24

The inequality that is represented by the graph is; y ≤ 1.5x - 3

Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region.

Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that the line is included in the region.

Now, the given line is a dashed line and shaded below the line and as such we will use the inequality symbol ≤ .

The equation of a line in slope intercept form is;

y = mx + c

where;

m is slope

c is y-intercept

From the graph, we have that;

c = -3

m = 1.5

Thus, we have the inequality as y ≤ 1.5x - 3

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-5 is the common difference of the arithmetic sequence.

A series of numbers called an arithmetic progression or arithmetic sequence has a constant difference between the terms. An arithmetic progression with a common difference of 2 is found, for instance, in the numbers 5, 7, 9, 11, 13, and 15. The nth term of an arithmetic progression is determined using the arithmetic sequence formula. The series where the common difference between any two next words stays constant is known as an arithmetic sequence.

Given Data

Arithmetic sequence

-19, -14, -9

Common difference = a₂ - a₁

Common difference = -14 - (-19)

Common difference = -14 + 19

Common difference = -5

-5 is the common difference of the arithmetic sequence.

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the answer would be C ( i am not 100% sure though) c= -36x-9

d);

12(3x) = 36x

-12(-3/4) = 9

Answer:

y ≥ 5

Step-by-step explanation:

y ≥ 5

domain

x ≥ -7

Find the domain by finding where the equation is defined. The range is the set of values that correspond with the domain.

Domain: [ − 7 , ∞ ) , { x | x ≥ − 7 }

Range: [ 5 , ∞ ) , { y | y ≥ 5 }

The proportional relationships that model each relation are given as follows:

A proportional relationship is a function in which the output variable is given by the multiplication of the input variable and the constant of proportionality represented by k, according to the equation below:

y = kx.

Both items in this problem are represented by direct proportional relationships, we just have to identify the constants then graph the relations.

The graph of a proportional relationship is linear with slope given by the constant and intercept at 0, hence the graphs for each item are given at the end of the answer.

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Answer:

Дсдслсьмтстстсьсьалалла =4

Answer: 2

Step-by-step explanation:

1. Simplify the expression

[tex]sqrt(12)/sqrt(3)\\3.464/sqrt(3)\\3.464/1.732[/tex]

2. Perform any multiplication or division, from left to right:

[tex]3.464/1.732[/tex]

[tex]2[/tex]

Answer:

a.  See below.

b.  See attachment.

c.  (1, 2)  (2, 0)  (0, 0)  (0, 1)

d.  The maximum value of P is 11.

Step-by-step explanation:

[tex]\textsf{Maximize}: \quad P=-x+6y[/tex]

[tex]\textsf{Subject to}:\begin{cases}\begin{aligned} \quad y &\leq -2x+4\\y&\leq x+1\\x&\geq 0\\y & \geq 0\end{aligned}\end{cases}[/tex]

Graph the lines:

[tex]\textsf{Draw the line } \;\;y=-2x+4 \;\;\textsf{and shade under the line}.[/tex]

[tex]\textsf{Draw the line } \;\;y=x+1 \;\;\textsf{and shade under the line}.[/tex]

[tex]\textsf{Draw the line } \;\;x= 0 \;\;\textsf{and shade above the line}.[/tex]

[tex]\textsf{Draw the line } \;\;y=0\;\;\textsf{and shade above (to the right of) the line}.[/tex]

Therefore, the feasible region is bounded by the vertices:

Determine the value of P at the vertices by substituting the x and y values of the points into the equation for P:

[tex]\textsf{Value of $P$ at $A(1, 2)$}: \quad -(1)+6(2)=11[/tex]

[tex]\textsf{Value of $P$ at $B(2, 0)$}: \quad -(2)+6(0)=-2[/tex]

[tex]\textsf{Value of $P$ at $C(0, 0)$}: \quad -(0)+6(0)=0[/tex]

[tex]\textsf{Value of $P$ at $D(0, 1)$}: \quad -(0)+6(1)=6[/tex]

Hence, the maximum value of P is 11 at vertex (1, 2).

Answer:

3-[tex]\sqrt{3}[/tex] is the exact form

The the coordinates of the other endpoint of a line segment with an endpoint of (-1,8) and a midpoint of (5, 2) is ( 11,-4 ).

A midpoint is simply a point that divides a line segment into two equal halves.

The midpoint formula is expressed as;

M = ( (x₁+x₂)/2, (y₁+y₂)/2

Given the data in the question;

Midpoint (5,2)

Endpoint 1 ( -1,8)

Endpoint 2 ( x₂,y₂)

To determine the coordinate of endpoint 2, plug the given points into the midpoint formula above and solve for x₂ and y₂.

First, we get the x-coordinate.

x = (x₁+x₂)/2

5 = ( -1 + x₂ )/2

( -1 + x₂ ) = 5 × 2

( -1 + x₂ ) = 10

x₂ = 10 + 1

x₂ = 11

Next, we get the y-coordinate

2 = ( 8 +y₂ )/2

8 +y₂ = 2 × 2

8 + y₂ = 4

y₂ = 4 - 8

y₂ = -4

Therefore, the coordinates of the other endpoint is ( 11,-4).

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The property that could be used to solve the problem when Erica rode her bike for 5 hours last week is B. additive identity property.

From the information, Erica rode her bike for 5 hours last week and this week, she did not ride her bike.

It should be noted that the additive identity property illustrates that when a number is added to zero, the value is the same number.

In this case, the number of hours that she ride her bike in the past two weeks is:

= 5 + 0

= 5

In conclusion, the correct option is B.

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A. The equation in standard form: x + 0.50y = 150

B. The equation in slope-intercept from: y = -2x + 300.

C. y = 220 sodas

D. x-intercept is (150, 0)

E. y-intercept is (0, 300).

The standard form for an equation is: Ax + By = C, where C is a constant and A and B are integers.

The slope-intercept form is, y = mx + b, here, m = slope or unit rate, and b = y-intercept.

A. x = number of hotdogs

y = number of sodas

Cost of one hotdog = $1.00

Cost of one soda = $0.50

Total cost = $150

To write the equation in standard form, substitute A = 1, B = 0.5, and C = 150 into Ax + By = C:

x + 0.50y = 150

B. Rewrite x + 0.50y = 150 in slope-intercept form:

x + 0.50y - x = -x + 150

0.50y = -x + 150

Divide both sides by 2

y = -2x + 300 [slope-intercept form]

C. Substitute x = 40 into x + 0.50y = 150:

40 + 0.50y = 150

0.5y = 150 - 40

0.5y = 110

y = 220 sodas

D. Substitute y = 0 into x + 0.50y = 150:

x + 0.50(0) = 150

x = 150

The x-intercept is 150, it means when 0 number of soda is sold, 150 hot dogs is sold.

E. Substitute x = 0 into x + 0.50y = 150:

0 + 0.50y = 150

y = 150/0.5

y = 300

The y-intercept is 300, it means when 0 number of hot dog is sold, 150 sodas are sold.

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The algebraic expression for the quotient of 1 and the square of a number is written as 1/y²

An algebraic expression can best be defined as an arithmetic or mathematical expression that is known to consist of variables, coefficients, constants, factors as well as terms.

These expressions also said to be made up of numerous mathematical or arithmetic operations, which includes;

From the information given, we have that;

The quotient of 1 and the square of a number

Now, let the number in this case be y

This expression can be represented as;

1/ (y)²

expand the bracket

1/y²

Hence, the expression is 1/y²

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Answer:

Since r and s are parallel lines, angle 1 = angle 2 (corresponding angles)

75 - 2x = 91 - 3x

x = 16

Angle 1 = 75 - 2(16) = 43°

Angle 2 = Angle 1 = 43°

Solving for the probability using the z-table, the proportion of iPhone owners who use their iPhone between 4 and 7 hours in a day is 0.787.

For a normally distributed set of data, given the mean and standard deviation, the probability can be determined by solving the z-score and using the z-table.

First, solve for the z-score using the formula below.

z-score = (x – μ) / σ

where x = individual data value (4 and 7)

μ = mean = 5.4

σ = standard deviation = 1.2

z-score = (4 - 5.4) / 1.2     where x = 4

z-score = -1.4 / 1.2

z-score = -7/6 or -1.1667

z-score = (7 - 5.4) / 1.2     where x = 7

z-score = 1.6 / 1.2

z-score = 4/3 or 1.3333

Find the probability that corresponds to the z-score in the z-table. (see attached images)

z-score = -7/6 or -1.1667     probability = 0.12197

z-score = 4/3 or 1.3333     probability = 0.90853

To determine the proportion of iPhone owners who use their iPhone between 4 and 7 hours in a day is the difference between the probabilities of the two values.

proportion = 0.90853 - 0.12197

proportion = 0.787

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Answer:

Nickels are equal to 5 cent and pennies are equal to 1 so:

5 times 100 = 500

1 times 60 = 60

500 + 60 = 560

560 converted to dollars would be $5.60!

Step-by-step explanation:

Hope it helps! =D

If new mobile device has a value of $256.25 and its value changes by [tex]22\frac{1}{2}[/tex]% each year, then the value of phone after two years is $153.76

The value of new mobile device = $256.25

The percentage of value change =  [tex]22\frac{1}{2}[/tex]%

Convert the mixed fraction to decimal form

[tex]22\frac{1}{2}[/tex]% = 22.5%

After one year mobile value = 256 - (256×22.5/100)

= 256-57.6

= $198.4

After two year the mobile value = 198.4-(198.4×22.5/100)

= 198.4-44.64

= $153.76

Hence, if new mobile device has a value of $256.25 and its value changes by [tex]22\frac{1}{2}[/tex]% each year, then the value of phone after two years is $153.76

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Based on angle relationship, the measures for each angle are:

m∠1 = 103°; m∠4 = 103°; m∠7 = 103°; m∠5 = 77°; m∠6 = 77°; m∠3 = 77°; m∠2 = 77°.

The relationship between angles that are formed by two paralleled lines and a transversal can be used to determine the measures of each of the angles.

Using angles relationship, we have:

Angle 1 = 103° [corresponding angles are equal]

Angle 4 = 103° [alternate interior angles are equal]

Angle 7 = 103° [vertical angles are equal]

Angle 5 = 180 - 103 = 77° [supplementary angles]

Angle 6 = angle 5 = 77° [vertical angles are equal]

Angle 3 = angle 5 = 77° [alternate interior angles are equal]

Angle 2 = angle 5 = 77° [corresponding angles are equal]

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The inverse of the conditional statement is : if two lines do not intersect, then the lines are not coplanar.

Conditionals are commands used in programming languages to handle decisions.

The contrapositive statement is :  If two lines are not coplanar, then the lines do not intersect.

The converse statement is :  If two lines are coplanar, then the lines intersect.

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We have the expression:

If we apply the logarithm with base 30 to both sides, we obtain:

Answer: an equivalent logarithmic expression is log_30(y) = 1/6

Examining the given function it could be found that

This makes the third option a more correct option

The term vertex is used most times when the graph discussed is a curve, I t represents the peak of the graph. It may be the lowest or highest value depending on where the graph opens

This graph opens up and the vertex is the least value in the y axis which is 0, that is (2, 0)

The range is in the y axis. It is all the values in the y direction, that is from least to the maximum values. making the value: {y | 0 ≤ y < ∞} correct

This tow values are seen in the third option

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