Solve one sixth times quantity x plus 18 end quantity equals negative 5.

x = −48
x = −138
x = 12
x = 18
pls hurry​

Answer:

The expression is 1.07d.

Answer:

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Step-by-step explanation:

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1) The value of x that would make m║n is; x = 13

2) The value of x that would make m║n is; x = 14

3)a) The angles are congruent by alternate interior angles postulate.

b) The angles are congruent by linear pairs postulate.

c) The angles are congruent by corresponding angles postulate.

When two parallel lines are intersected by a third one, the angles that occupy the same relative position at each intersection are known to be corresponding angles to each other.

1) From definition of corresponding angles, line m is parallel to line n and as such, we can say that;

2x + 12 = 38

2x = 38 - 12

2x = 26

x = 13

2) From definition of corresponding angles, line m is parallel to line n and as such, we can say that;

3x + 41 = 8x - 29

8x - 3x = 41 + 29

5x = 70

x = 14

3) a) From definition of alternate interior angles, we can say that yes the angles are congruent by alternate interior angles postulate.

b) Linear pair of angles are formed when two lines intersect each other at a single point. Thus, the angles are supplementary and add up to 180° and they are congruent by linear pairs postulate.

c) The angles are congruent by corresponding angles postulate.

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cosine = adj/hypt.

inverse of cosine = arccosine

arccosine(6/22) = 74.34

Answer:This is 69

Step by step explanation:67 +2 is 69

The range for both groups are the same, therefore: C. The variability in students’ heights of both groups is the same.

To find the mean of a data set, sum all data points given together and divide what you get by the number of data points that is given in the data set.

The range of a data gives us an idea of the spread of a data, which is a measure of variability. The larger the range, the more the variability that exist in the data set.

Given, Group A: 51, 53, 60, 64, 55, and Group B: 50, 55, 58, 63, 52, find the mean of each data set

Mean for Group A = (51 + 53 + 60 + 64 + 55)/5 = 283/5 = 56.6

Mean for Group B = (50 + 55 + 58 + 63 + 52)/5 = 278/5 = 55.6

Range for Group A = 64 - 51 = 13

Range for Group B = 63 - 50 = 13

This means that variability in students’ heights is the same for both group A and B.

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Answer:

[tex]621 = {3}^{3} \times 23[/tex]

Step-by-step explanation:

[tex]621 \div 3 = 207[/tex]

[tex]207 \div 3 = 69[/tex]

[tex]69 \div 3 = 23[/tex]

[tex]621 = 3 \times 3 \times 3 \times 23 = {3}^{3} \times 23[/tex]

After a dilation with a scale factor of 2.5 and center of dilation (0, 0), the coordinates of the vertices of triangle A'B'C' are A' (-5, -2.5), B' (2.5, 5), and C' (5, -10).

Dilation simply refers to a type of transformation which changes the size of a geometric object, but not its shape. This ultimately implies that, the size of the geometric object would be increased or decreased based on the scale factor used.

A scale factor can be defined as the ratio of two (2) corresponding length of sides or diameter in two similar geometric figures such as triangles.

For the given coordinates, the dilation with a scale factor of 2.5 and center of dilation (0, 0) should be calculated as follows:

Point A (-2, -1) → Point A' (-2 × 2.5, -1 × 2.5) = Point A' (-5, -2.5).

Point B (1, 2) → Point B' (1 × 2.5, 2 × 2.5) = Point B' (2.5, 5).

Point C (2, -4) → Point C' (2 × 2.5, -4 × 2.5) = Point C' (5, -10).

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Lucy's gross pay per week is $393.75.

Lance's tax payment amount is $10983.

Lance's net pay is $41,317.

Lance's every paycheck of two will be around $2179 per month.

1) Lucy earns $15.75 per hour.

Last week she worked 25 hours.

Solution:

Lucy's gross pay per week is $15.75 * 25 hours.

Lucy's gross pay per week = 15.75 * 25  =  $393.75

2) Lance has a yearly salary of $52,300

He pays 21% as taxes.

Solution:

a) Lance tax pay amount = 21/100*52,300 = $10983

b) Lance's net pay =  $52,300 - $10983 =  $41,317

c) Per month salary = $52,300/12 =  $4358

Each paycheck will be 4358/2 = $2179

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Line A is perpendicular to D because a is parallel to c and c is perpendicular to d.

Parallel lines have the same slope since the slope is like a measure of steepness and since parallel lines are of the same steepness, thus, are of the same slope. Since the given parallel line has equation y = 2x + 2, thus its slope is 2 and thus, the slope of the needed line is 2 too.

WE have been given that a ll b,b ll c,c is perpendicular to d.

Here the line a is parallel to b and b is parallel to c so a must be parallel to c.

As we know that c is perpendicular to d since, a is parallel to c.

Therefore, Line A is perpendicular to D because a is parallel to c and c is perpendicular to d.

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If your train travels at 65 miles per hour for 3.5 hours, it go 227.5 miles.

What is Speed ?

Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.

Given:

Speed S = 65 miles per hour

Time T = 3.5 hours

We know that,

S= D/T  Where D is the distance traveled.

Therefore,

65 miles per hour = D/ 3.5 hours

D = 65 x 3.5 miles

=227.5 miles

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A property map is drawn at a scale of 1:1000, if the distance between two points on the map is 4.9cm. then the actual distance is = 4.9 * [tex]10^{3}[/tex]

A property map is drawn at a scale of 1:1000

The distance between two points on the map is 4.9cm

Based on the given conditions, formulate :

= 4.9 * 1000/1

= 4.9 * 1000

Calculate the product or quotient,

= 4900

This alternative forms is,

= 4.9 * [tex]10^{3}[/tex]

Therefore,

The actual distance is = 4.9 * [tex]10^{3}[/tex], if the distance between two points on the map is 4.9cm.

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Answer:x=-13+1/5

Step-by-step explanation:

10x-18=15x+48

We move all terms to the left:

10x-18-(15x+48)=0

We get rid of parentheses

10x-15x-48-18=0

We add all the numbers together, and all the variables

-5x-66=0

We move all terms containing x to the left, all other terms to the right

-5x=66

x=66/-5

x=-13+1/5

The average rate of change between the given points (3, 9) and (5, 15) is: 3.

To find the average rate of change between two points on a coordinate plane, the formula below is used:

Average rate of change = change of y over the change of x = (y2 - y1)/(x2 - x1).

Given the following points on a coordinate plane:

(3, 9)

(5, 15)

Let:

(3, 9) be represented as (x1, y1)

(5, 15) be represented as (x2, y2)

Substitute the values into the average rate of change formula:

Average rate of change = (15 - 9)/(5 - 3)

Average rate of change = 6/2

Average rate of change = 3

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The degree measure of one angle of a 30 sided regular polygon is 168°​

A two-dimensional geometric shape with a finite number of sides is called a polygon. A polygon's sides or edges are made up of segments of straight lines that are joined end to end to create a closed shape.

The intersection of two lines is referred to as a vertex or corner, and an angle is created as a result. Regular polygons are those that have sides that are congruent.

We will use the side-angle relation of a regular polygon with any no. of sides to find total sum of interior angles that is

(Side - 2) × 180°

(30 - 2) × 180°

= 5040°

Measure of each angle of 30-gon

= 5040°/30

= 168°​

Thus, the degree measure measure of One angle of a 30 sided regular polygon is 168°​

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Answer: 168

Step-by-step explanation: did the test

Answer:

(5,0)

Step-by-step explanation:

Let y=0. Then, x=5.

Answer:

Step-by-step explanation:

it's below

Answer:

(1, - 2 )

Step-by-step explanation:

7x - 3y = 13 → (1)

9x + 10y = - 11 → (2)

multiplying (1) by 10 and (2) by 3 and adding will eliminate y

70x - 30y = 130 → (3)

27x + 30y = - 33 → (4)

add (3) and (4) term by term to eliminate y

97x + 0 = 97

97x = 97 ( divide both sides by 97 )

x = 1

substitute x = 1 into either of the 2 equations and solve for y

substituting into (2)

9(1) + 10y = - 11

9 + 10y = - 11 ( subtract 9 from both sides )

10y = - 20 ( divide both sides by 10 )

y = - 2

solution is (1, - 2 )

The value of k so that the equation has two equal roots is 4

Quadratic equations are second-order polynomial equations and they have the form y = ax^2 + bx + c or y = a(x - h)^2 + k

The quadratic equation is given as

kx^2 - 4x + 1

A quadratic equation is represented as

ax^2 + bx + c

This means that

a = k, b = -4 and c = 1

When the equation has equal roots, we have

b^2 = 4ac

So, we have

(-4)^2 = 4 * k * 1

Evaluate

k = 4

Hence, the value of k is 4

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The 100 km difference between the two cities takes two trains to pass each other in 5 hours.

The relationship between speed, distance, and time is described using the formula of speed, distance and time.

That is speed = distance/time.

The velocity of an object in relation to another observer is referred to as the relative speed.

Given:

A train departs from city A and moves toward city B at a constant speed of 60 km/h and time taken is 8 hours.

At the same time, a second train departs city B and heads toward city A at a constant speed of 40 km/h.

The relative speed of first train with respect to the second train                                  = 60-40

= 20 km/h

It is given that the two cities A and B are located 100 kilometers apart from one another.

So, distance between both cities = 100 km

By using the speed formula,

Speed = Distance/Time

Time = Distance/Speed

Time = 100/20

∴ Time = 5 hours

Consequently, it takes 5 hours for the two trains to pass one another with 100 km distance between two cities.

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Answer:

x<3

Step-by-step explanation:

4x<5+7

4x<12

x=12÷4

x=3

The number of weeks needed to get $850 is 21 weeks.

An equation is the statement that illustrates that the variables given. In this case, two or more components are taken into consideration to describe a scenario.

Let the number of weeks be represented by w

Amount saved = $24

Amount needed = $850

Number of weeks = w.

This will be illustrated as:

24 + 40w = 850

Collect like terms

40w = 850 - 24

40w = 826

Divide

w = 826 / 40

w = 20.65 = 21 approximately

There'll be 21 weeks.

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You have saved $24 towards the purchase of your own laptop. you get a job at the corner store cleaning after hours on sundays that pays $40 per week. the laptop you want costs $850 and includes everything you'll need to start college. How may weeks are needed?

Answer:

x = - 90

Step-by-step explanation:

1 = 0.4x - 0.8x - 35 ( add 35 to both sides )

36 = - 0.4x ( divide both sides by - 0.4 )

- 90 = x

Answer:

1cm:2km

Step-by-step explanation:

you ratio both of the answers which shows that 1cm on the map represents 2km in reality.

Answer: The first option (0,-3)

When counting the number of successes in n trials, the (D) binomial distribution should be used if the success probability, p, stays constant from trial to trial.

As it is given in the descrip[tion itself that the probability of observing a specific number of successful outcomes in a specific number of trials is determined by the binomial distribution.

Therefore, when counting the number of successes in n trials, the (D) binomial distribution should be used if the success probability, p, stays constant from trial to trial.

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The complete question is given below:

Which distribution is appropriate when counting the number of successes in n trials if the probability of success p remains constant from trial to trial?

(A) Normal Distribution

(B) Power Normal Distribution

(C) Extreme Value Type Distribution

(D) Binomial Distribution

Answer:

x=40 degrees

Step-by-step explanation:

adjacent angles add up to 180 degrees

First angle=x

second angles=x+20

third angle =x+40

add all and equate to 180 degrees i.e.

x+x+20+x+40=180

3x=180-60

x=40 degrees

x+20=40+20=60 degrees

x+40=40+40=80 degrees