When a number is decreased by 10% of​ itself, the result is 99. What is the​ number?

x = 3y perendicular to l

y = -3x parallel to l

y = 3x + 2 neither

A line's slope, often known as its gradient, is a numerical representation of the line's steepness and direction.

The increase divided by the run, or the ratio of the rise to the run, is known as the line's slope. In the coordinate plane, it describes the slope of the line. Finding the slope between two separate locations and calculating the slope of a line are related tasks.

One approach for determining a line's slope from a graph is to use the formula immediately after knowing the coordinates of two points that are on the line. Let's assume that the coordinate values for the two spots are unknown. Therefore, we also have another way to determine the slope of the line. This approach entails attempting to determine the tangent of the angle formed by the line and the x-axis.

The line is y = -3x -1

slope is -3 by slope intercept form

The line x = 3y

or y = (1/3)*x

slope is 1/3

we know for a line perpendicular to a given line slope should be -1/m so the slope will be  (1/3)

so, x = 3y  is perpendicular

y = -3x have slope -3 so it is parallel

y = 3x + 2  slope is 3 so neither

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Answer: The symbol ⊕ is known as the XOR (Exclusive Or) operator.

Step-by-step explanation:

The symbol ⊕ is known as the XOR (Exclusive Or) operator. It is a logical operator that compares two binary digits or bits and returns a 1 if one of the bits is 1 but not both. It returns 0 if both bits are the same (either 0 or 1). It is commonly used in digital logic and computer science, particularly in the field of cryptography. In simple terms, it compares two bits and returns 1 if they are different and 0 if they are the same.

Answer: 12.60

Step-by-step explanation: A = B^2. If B is multiplied by 3.55, then A = (3.55B)^2. That gives us A = 12.6025B. Round 12.6025 to hundredth and you get 12.60

The value of x in degrees will be 6° and 11° using properties of parallel lines.

They are typically equal-distance, parallel straight lines. The lines here are parallel. They never come together no matter how far you extend them in any one way.

Pairs of equal-sized angles that are both obtuse or acute and are generated on the same side of the transversal are known as corresponding angles. Each pair of comparable angles on the same side of the crossing transversal is equal to the other.

The alternative angle theorem states that alternate interior angles or alternate exterior angles that come from cutting two parallel lines are congruent.

In the above figure,

8x + 7 = 55

8x  = 55 - 7

x = 6

Measure of the angle will be 8 × 6 + 7 = 49

In 11)

10x + 10 = 9x + 21 (by using first corresponding angles and then alternate angles)

⇒x = 11

The value of x in degrees will be = 11° using properties of parallel lines.

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The system of inequalities that defines how many of each you can take is: C≥12,E≥6,C+E≤26. Option A

The questions says that you must take at least 12 core credits

let core courses be = C

This tells us that C has to be greater than or equal to 12

C ≥ 12

Then it says that you must take at least 6 electives as well. This would be represented in the same way.

E = elective

E ≥ 6

Lastly, it says that you can take no more than a total of 26 credits

Hence your credit has to be 26 in number or less.

This would be written as C + E ≤ 26

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Complete question

To graduate you must take at least 12 core credits and 6 electives credits and you can take no more than a total of 26 credits. Write a system of inequalities that defines how many of each you can take.

C≥12,E≥6,C+E≤26

C+E≥18,C+E≤26

C+E≥18,C+E<26

C≤12,E≤6,C+E≤26

The equation which having the solution n = -4 is,

11/4n + 2 = -3 + 3/2n.

What is solution of an equation?

Any value of the variable that satisfies the equality, that is, makes the Left Hand Side (LHS) and the Right Hand Side (RHS) of the equation equal, is a solution of the equation. Finding an equation's solution or solutions is known as solving the equation.

Consider, the given equation  -5n + 31 = -14n -5

Solving this equation,

14n - 5n = -5 - 31

       9n = -36

          n = -4

We have to find the equation which having the solution n = -4.

Consider, the first equation

-1 - 22n = -20n - 9

Solving this, we get

n = 4

Consider, the second equation

3 - 6n + 3n = -3 + 4 - 4n

Solving this, we get

n = -2

Consider, the third equation

1 = 0.75n + 3.25

Solving this, we get

n = 3

Consider, the fourth equation

11/4n + 2 = -3 + 3/2n

Solving this, we get

n = -4

Hence, the equation which having the solution n = -4 is,

11/4n + 2 = -3 + 3/2n.

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Customers who purchase items with discount of  credit has 30 days to repay the balance. However, if clients pay for their products within 10 days,

A trade discount, often referred to as a functional reduction, can be applied as a fixed percentage or flat rate deduction from the a seller's initial catalogues list price, in which case the trading discount amount is calculated by multiplying the list price by the percentage difference. Calculating the trade discount requires knowledge of both the item's original list price and the trade discount percentage. The list price is multiplied with the trade discount % in decimal form to arrive at the trade discount.

Here,

they will receive a 2% discount. Customers need only pay $9,800

if they buy $10,000 from Group A underneath the terms 2/10 gross 30 and pay within ten days ($10,000 x 0.98 = $9,800).

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The estimation number of death from measles occured in developing countries in 2019 is 1.9 million deaths.

To estimate the number of deaths from measles in developing countries, we can use the following calculation:

Deaths = (Total number of cases in developing countries) × (Fatality rate in developing countries)

According to the World Health Organization, 75% of measles cases occurred in developing countries in 2019. Assuming a total of 10 million cases worldwide, 7.5 million cases would have occurred in developing countries.

The fatality rate in developing countries is approximately 25%, so:

Deaths = (7.5 million cases) × (0.25) = 1.875 million deaths.

Deaths = 1.875 million deaths ≈ 1.9 million deaths

So, 1.9 million deaths from measles are likely to have resulted in developing countries in 2019.

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The multiplier would be used to increase a number by 15% is, 1.15

The multiplicative rate of change is a number by which we get another number from the previous number, to get the value of this number , we have to divide the other number from the previous number.

Suppose

first number = X

second number = Y

second number is 15% more than first number

So, Y = X + 15% of X

Y = X + 0.15X

Y = 1.15 X

for multiplicative rate of change we have to apply divide operation,

⇒  P = Y/X

⇒  P = 1.15X/X

⇒  P = 1.15

Hence, the result is 1.15

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The statistical measure which would best represent the average temperature as required is; Mean.

It follows from the task content that the measure of central tendency which best represents the average temperature is to be determined.

On this note, although the mean and median are statistical measures of the central tendency, the mean is a more accurate measure of the average temperature as in this context.

The mode on the other hand, is a statistical measure of spread.

Ultimately, while checking the average temperature in different locations, it follows that the average temperatures in each of the locations is reported as a mean.

This follows from the fact that the mean is a representative of all temperatures recorded in any one location.

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Answer:

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

Real distance is 4.4 miles and on the map it is 8 inches.

The scale is:

or

Step-by-step explanation:

the law of intersecting lines : the angles between both lines are the same on both sides of either line, just left-right mirrored.

that's why the angles are while going around the intersection point (starting with the known 37° angle) :

37° - supplementary angle - 37° - supplementary angle

and again from the start.

"supplementary" angles are pairs of angles that together are 180°. just like 2 neighboring angles at intersecting lines.

so, 37° = 7x - 5

example 4

116° is the supplementary angle of 4x.

that means

180 = 116 + 4x

64 = 4x

x = 64/4 = 16

The perimeter of Triangle ABC, given the triangle in drawn in the graph, would be 40 .54 units .

To find the perimeter of the triangle , you first need to find the lengths of the sides of the triangle .

The lengths would be the distance between the points A , B , and C .

The vertices are : A ( - 1 , - 8) , B ( -4 , 6 ) and C ( 4 , 9 ) .

The distance between the points can be found by the formula:

= √(( x₂  – x₁ )² + ( y₂ – y₁) ²)

The distance between AB is 14.3 units

The distance between BC is 8. 54 units.

The distance between AC is 17.7 units.

The perimeter is:

= 14.3 + 8. 54 + 17. 7

= 40 .54 units

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[tex]area = \frac{1}{2} \times base \times height \\ 9 = \frac{1}{2} \times 4.5 \times h \\ 9 = 2.25h \\ \frac{9}{2.25} = \: \frac{2.25h}{9} \\ 4 = height[/tex]

Answer:

x= -3

Step-by-step explanation:

An integer which can be used to represent a diver's elevation if the diver is 40 feet below sea level is -40.

In Mathematics, an integer can be defined as a whole number that may either be positive, negative, or zero (0). This ultimately implies that, a positive integer simply refers to a whole number that is greater than or equal to one (1).

On the other hand (conversely), a negative integer simply refers to a whole number that is less than zero (0), but do not include decimals or fractions.

In this context, we can reasonably infer and logically deduce that an integer which can be used for representing a diver's elevation when he or she is 40 feet below sea level would be the negative integer -40.

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The outer perimeter of the rectangular base will be 34 meters.

Let W be the rectangle's width and L its length.

The perimeter of the rectangle will be defined as the total length of all of its sides. So the rectangle's perimeter will be

Perimeter of the rectangle = 2(L + W) units

The outer dimension of the base will be given as,

L = 8 + 1 + 1

L = 10 m

W = 5 + 1 + 1

W = 7 m

The outer perimeter of the rectangular base will be given as,

P = 2(7 + 10)

P = 2 x 17

P = 34 m

The outer perimeter of the rectangular base will be 34 meters.

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Answer:

Step-by-step explanation:

First, we need to convert the area of 15 feet by 10 feet to square feet. That is 15*10 = 150 sq ft.

We know that 22 people fit comfortably in a 150 sq ft area, so we can estimate the number of people that can fit in a given area by dividing the area by the number of square feet per person.

So if we have an area of 10 feet deep on one side of the street along a 1-mile section of a parade route, we can estimate the number of people that can fit in that area by using the following equation:

(Area of crowd) / (Square feet per person) = Number of people

We know that 1 mile = 5280 feet, so the area of the crowd is 10*5280 = 52,800 sq ft.

Now we can estimate the number of people that can fit in that area by dividing the area by the number of square feet per person:

52,800 sq ft / 150 sq ft/person = 352 people

So, we can estimate that around 352 people can fit comfortably in a crowd that is 10 feet deep on one side of the street along a 1-mile section of a parade route.

The graph shows that the domain and range of the line segment were [-5, 1] & [-4, 7, correspondingly.

A function's domain is the set of values that it can accept. These figures represent a function like f's x-values (x). The domain of a function is the set of possible values on which it can operate. This set is the value which the return type after the x value has been entered. Y = f is a function where x is an independent variable and y is a dependent variable (x). If a value of x can be successfully utilized to produce a single value of y using a value of f, then that value is said to be within the domain of that function.

Here,

The domain denotes all conceivable possibilities for x, whereas the range denotes all possible values of y.

The graph shows that the domain and range of the line segment is [-5, 1] & [-4, 7, respectively.

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i) The absolute change of the CPI from 2009 to 2014 is given as follows: 22,199.

ii) The absolute change of the Tuition from 2009 to 2014 is given as follows: $26.5.

iii) The relative change of the CPI from 2009 to 2014 is given as follows: 10.35%.

iv) The relative change of the Tuition from 2009 to 2014 is given as follows: 26.59%.

Tuition has increased more in this time period.

The absolute change between two amounts is given by the absolute value of the difference of these two amounts.

Hence for the CPI from 2009 to 2014 is given as follows:

236736 - 214537 = 22,199

For the Tuition, it is given as follows:

126.15 - 99.65 = $26.5.

The relative change is given by the absolute change divided by the initial value and multiplied by 100%, hence:

Due to the higher relative change, the Tuition increased more in this time period.

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An expression that consists of variables, constants, and exponents that is combined using mathematical operations like addition, subtraction, multiplication, and division is referred to as a polynomial.

When exponents, constants, and variables are combined using mathematical operations like addition, subtraction, multiplication, and division, the result is a polynomial (No division operation by a variable).

The sum of terms with the notation kxn, where k is any number and n is a positive integer, is referred to as a polynomial.

Using a binomial and a trinomial as a product, one can factor the sum or difference of two cubes. It follows that x3+y3=(x+y)(x2+xy+y2) and x3+y3=(xy)(x2+xy+y2).

If an expression can be thought of as the difference of two perfect squares, then a3 - b3 = (a - b)(a2 + ab + b2). To prevent issues, use parentheses. The trinomial phrase should be free of inner parenthesis.

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Answer:

This is a sequence of numbers that can be expressed as a linear function. The linear function would be of the form y = mx + b, where m is the slope of the line and b is the y-intercept. In this case, m = 3 and b = 7, so the linear equation for this sequence is y = 3x + 7.

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it would take 12 weeks to save and buy the iphone.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

Johny is saving money to buy an Iphone X which cost $1000.

He started saving money $300 he receieved for a birthday gift.

He saved allowance of $60 per week.

We need to find how long will it take for him to save and the Iphone X.

1000=300+60x

Subtract 300 from both sides

700=60x

Divide both sides by 60

700/60=x

11.66=x

Hence, it would take 12 weeks to save and buy the iphone.

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Answer:

x = 17

Step-by-step explanation:

The sum of the interior angles of a triangle is 180

x + 17 + 4x - 34 + 6x + 10 = 180  Combine like terms

11x -7 = 180  Add 7 to both sides

11x - 7 + 7 = 180 + 7

11x = 187  Divide both sides by 11

[tex]\frac{11x}{11}[/tex] = [tex]\frac{187}{11}[/tex]

x = 17

Answer:

the answer is x=17 because the triangle is isosceles

Water and ocean are two closely related words, as the ocean is the largest source of water on the planet.

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The range of values of x for the given expression (x - 12)(x + 5)/(x - 3)³≤0 is ,

( -∞ , -15] and [3, 12]

Inequalities are the comparison of mathematical expressions, whether one quantity is greater or smaller in comparison to another quantity.

We use these symbols to represent inequalities, '>' , '<', '≥', '≤'

Given expression,

(x - 12)(x + 5)/(x - 3)³ ≤0

by using wavy curve method it can be state that,

function hold negative value,

1. when x is less than -15

⇒  x ≤15

2.  when x is in between

⇒   3≤ x ≤12

Hence, range of x is ( -∞ , -15] and [3, 12]

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There are 10 different ways to choose three products out of five.

What are permutation and combination?

Permutation and combination are mathematical concepts used to study the arrangements and selections of items.

Permutation: An arrangement of items, where order matters.

Combination: A selection of items, where order does not matter.

In this case, the manager has to choose three products out of five possibilities, which is a combination problem. To find the number of different ways to choose three products out of five, we can use the formula: nCr = n! / (r! (n - r)!).

n = 5 (number of items)

r = 3 (number of items to be chosen)

nCr = 5! / (3! (5 - 3)!) = 5! / (3! 2!) = (5 x 4) / (2 x 1) = 10.

Hence, there are 10 different ways to choose three products out of five.

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Answer:

His son is 13 years old now.

Step-by-step explanation:

Since the man was 26 years old when his son was born, his age is 26 more than his son's age, or mathematically speaking, x + 26 if the age of his son is x.

26 + x - dad's age

x - son's age

3 x son's age = dad's age

3x = 26 + x

2x = 26

x = 13

His son is 13 years old.