Andy rapidly pedaled his bike to reach a certain speed, then continued at that speed. He rapidly pedaled again, then quickly pressed on his brakes to come to a stop.
Which graph best represents Andy’s bike ride?

A kind of evolution through artificial selection is the practice of choosing creatures with desired features over several generations.

The mix of alleles found in an organism is known as its genotype. A phenotype is also the culmination of all the organism's discernible traits. In artificial selection, people choose animals or plants with favored phenotypic features for reproduction.

Since the phenotype is impacted by the genotype, the process of artificial selection alters allele frequencies throughout generations, resulting in the evolution of desirable features in offspring.

In conclusion, a kind of evolution through artificial selection is the practice of selecting creatures with desired qualities over several generations.

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Answer:

Step-by-step explanation:

a d c

If m∠AOB = (3x − 6)° and m∠BOD = (5x + 14)° in this pizza, the value of x is equal to: B. 21.5.

In Mathematics, a supplementary angle can be defined as two (2) angles or arc whose sum is equal to 180 degrees.

Mathematically, a supplementary angle can be calculated by using this formula:

X + Y = 180

Where:

X and Y are measure of the angles subtended.

Generally speaking, we know that an entire pizza is circular in shape with an angular measure of 360°. This ultimately implies that, one-half of an entire pizza is equal to 180°, which means m∠AOB and m∠BOD are supplementary angles.

Substituting the given parameters into the formula, we have;

m∠AOB + m∠BOD = 180

3x − 6 + 5x + 14 = 180

8x + 8 = 180

8x = 180 - 8

8x = 172

x = 172/8

x = 21.5.

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Answer:

Step-by-step explanation:

B) 21.5

The number of different choices for nine questions is 384, when at most one of questions 1 and 2 may be included among the nine.

Given, the exam instructions specify that at most one of questions 1 and 2 may be included among the nine.

We have to find the number of different choices for nine questions.

Now, using the concept of Permutation and Combinations we get

There will be three cases,

Case 1 : we include question 1

Case 2 : we include question 2

Case 3 : we neither include question 1 nor question 2

Case 1 :

question 1 is included, so question 2 can not be included and remaining 7 questions have 2 choices.

Case 2 :  

question 2 is included, so question 1 can not be included and remaining 7 questions have 2 choices.

Case 3 :

neither question 1 nor question 2 is included and also remaining 7 questions have 2 choices.

Total choices = 2^7 + 2^7 + 2^7

So, the number of different choices of nine questions are 384.

Hence, the number of different choices of nine questions are 384, when at most one of questions 1 and 2 may be included among the nine.

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The required value of this game in the long run has no value, as game will discarded because both players identical pairs.

A standard 52-card deck contains 13 positions in every one of the four French suits: clubs (♣), precious stones (♦), hearts (♥) and spades (♠). Each suit incorporates three court cards (face cards), Lord, Sovereign and Jack, with reversible (twofold headed) pictures. Each suit additionally incorporates ten numeral cards or pip cards, from one to ten.

After the blended matches are disposed of, there are an equivalent number of dark red still in the deck, so the two players will have similar number of pairs.

So, No one will win the game.

Thus, the game will  discarded.

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The value of the length of side DE is 6.3 units

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

The triangles ABC and DBE

From the question, we can see that the following corresponding sides on the triangles:

Sides AD and DB

Sides CE and EB

This implies that these sides are congruent sides

This is evident by the marks on these sides

Also from the figure, we have that:

The endpoints of the line DE is at the midpoint of lines AB and BC

This means that we have the following equation

DE = 1/2 * AB

Substitute the known values in the above equation, so, we have the following representation

DE = 1/2 * 12.6

Evaluate the products

DE = 6.3

Hence, the length DE is 6.3 units

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The length of the hypotenuse of the triangle is 4.1.

Here we have to find the length of the hypotenuse of the triangle.

Data given:

A right triangle has one side that measures 4 in and the angle opposite that side measures 80°

To determine the length of the hypotenuse of the triangle, the trigonometry function can be used.

sinФ = perpendicular/ hypotenuse

sin80° = 4/ hypotenuse

0.98 = 4/ hypotenuse

hypotenuse = 4/ 0.98

Hypotenuse = 4.0617 inch.

Therefore the length of the hypotenuse of the triangle to the nearest tenth is 4.1

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Answer:

x=21.

Step-by-step explanation:

x=21.

Splitting a verb represents the meaning to divide lengthwise basically by layers or along a grain.

Explanation:

Splitting a verb represents the meaning as follow :

Therefore, splitting a verb represents to divide lengthwise basically layer wise or along a grain.

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The remainder when the number 464 is divided by 60 is 44.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the number 464 is divided by 60. The remainder will be calculated as,

Divide the number 464 by the basic operation of long division.

60 ) 464 ( 7

      -420

     _______

         44

When 464 is divided by 60, the remainder is 44.

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Using percentages we know that the total price of the book that Tommy will pay is $131.04.

In mathematics, a percentage is a number or ratio that is expressed as a fraction of 100.

Although "pct," "pct," and occasionally "pc" are also used as abbreviations, the percent symbol "%" is most usually used to denote it.

A% is a number that has neither dimensions nor a defined unit of measurement.

For instance, if you properly answered 75 out of 100 questions on a test, you would have received a 75% grade (75/100).

So, we know that the price of the book is 180.

Sales tax is 4%. So, the total price:

180/100 * 4 = 7.2$ ⇒ $187.2

Now, there is a 30% discount:

187.2/100 * 30 = $56.16

⇒ 187.2 - 56.16 = $131.04

Therefore, using percentages we know that the total price of the book that Tommy will pay is $131.04.

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The solved inequality for 1/2x < 6 is x < 12, and the graph is attached below.

An inequality is a relation that compares two numbers or other mathematical expressions in an unequal way. It is most frequently used to compare the sizes of two numbers on the number line.

The relationship between two values that are not equal is described by inequalities. Equal does not necessarily mean unequal. The "not equal symbol" is typically used to denote that two values are not equal.

Given:

1 / 2x < 6

x < 6 × 2

x < 12

Therefore, the solved inequality for 1/2x < 6 is x < 12, and the graph is attached below.

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The area of the circle is increasing at a rate of 126π sq. inches per second

What are Derivatives?

The derivative of a function of a real variable in mathematics describes the sensitivity of the function value to a change in its argument. Calculus relies heavily on derivatives.

Solution:

Area of Circle = πr²

To find the rate of change we need to use Derivatives

dA/dt = 2πr * dr/dt

we know that the radius is increasing at a rate of 3 inches per second so,

dr/dt = 3 inches per second

Rate of Change = 2π*21*3 inches per second

The area of the circle is increasing at a rate of 126π sq. inches per second

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Based on this equation, estimate the price of a car that had been driven 56 thousand kilometers.

Step-by-step explanation:

Answer: 1.11 kg

Step-by-step explanation:

1 kg = 1000 grams

Nickle has a mass of 5 grams = 0.005 kg

Penny has a mass of 2.5 grams = 0.0025 kg

Now take 0.005 times 186 = 0.93 kg for 186 nickles

Next, take 0.0025 times 72 = 0.18 kg for 72 pennies

0.93 kg + 0.18 kg = 1.11 kg

So the bag is 1.11 kg

The verbal description of the algebraic expression 3m-8n/13 is;  Three m minus eight n divided by thirteen

Algebraic word problems are defined as questions that need translation of sentences to equations and thereafter solving those equations usually having a single variable. Now, the single variable usually denotes an unknown quantity in a real-life scenario.

To solve an algebraic word problem, the following steps are taken;:

Now, we want to write the verbal description of the algebraic expression given as 3m-8n/13.

This is expressed as Three m minus eight n divided by thirteen

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Complete question is;

Write a verbal expression for 3m-8n/13

The radius of the cylinder is found to be 6 cm.

A right circular cylinder is a three dimensional figure having its base and top as a circle and the height is perpendicular to circular base. The volume is given as V = πr²h.

Given that,

The height of the cylinder is 17 cm.

And, the volume is 1921.68 cm³.

Suppose the radius be r cm.

Substitute the corresponding values in the expression of volume V = πr²h as follows,

V = πr²h

=> 1921.68 = π × r² × 17

=> π × r² = 1921.68/17

=> r² =  1921.68/17π    

=> r = 6

Hence, the radius of the cylinder is obtained as 6 cm.

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Perpendicular lines have slopes that are negative reciprocal of each other.

Parallel line have same slope.

We know lines have various types of equations, the general type is

Ax + By + c = 0, and the equation of a line in slope-intercept form is

y = mx + b.

Where slope = m and b = y-intercept.

the slope is the rate of change of the y-axis with respect to the x-axis and the y-intercept is the (0,b) where the line intersects the y-axis at x = 0.

When two lines are perpendicular their slopes are negative reciprocal of each other and they also intersect at a point.

When two lines are parallel they have the same slope and they do not intersect.

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Answer:

4*2=8

8+1=9

Step-by-step explanation:

Answer:-3

Step-by-step explanation: -3 because when you do it I really don't know how to explain it srry

Answer:

x = 5

Step-by-step explanation:

[tex]\frac{45}{27}[/tex] = [tex]\frac{x}{3}[/tex] ( cross- multiply )

27x = 3 × 45 = 135 ( divide both sides by 27 )

x = 5

Answer:X=5

Step-by-step explanation:

1st. divide the numbers

2nd. Multiply all terms by the same value to eliminate fraction denominators

3rd.Cancel multiplied terms that are in the denominator

4thMove the variable to the left

which gets: x=5

There is a total of 2520 ways to create an injective function.

What is an injective function?

A function f called an injective function (sometimes called an injection, or one-to-one function) translates different elements of its domain into different elements.

Now, we can create an injective function from a set of 5 elements to a set of 7 elements

Based on the definition of an injective function,

For 1st element, we have a total of 7 choices

For 2nd element, we have a total of 6 choices and so on.

So, total ways = 7*6*5*4*3 = 2520

Hence, 2520 ways are there to create an injective function.

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Answer:

The number of cakes Sophia can make is 10.

Step-by-step explanation:

The bag of flour contains 152 quarter-cup servings. So, the quantity in t he bag has to be divided by four.

Number of cups = 152 / 4 = 38 cups

In order to determine the number of cakes she can make, divide the number of cups in the bag by the cups needed to make one cake.

38 ÷ 3 3/4

38 ÷ 15/4

38 × 4/15 = 10.1 cakes

Answer: i need the answer

Step-by-step explanation:

HE LP

Working on the perimeter of the hoop, The rotation by the hoop to reach the end of 15 foot is about 1.59.

The perimeter of a form is the space surrounding its edge. Find the perimeter of various forms by summing the lengths of their sides.

The required formula is:

[tex]P = 2\pi r[/tex]

radius = 18 inches = 1.5 foot

Perimeter = 2 * 3.14 * 1.5

=9.42

Number of rotations = 15 / 9.42

=1.59

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The value of x is 9°

What do you mean by degree?

A unit of measure is used to measure the magnitude of an angle.

1 degree equals 1/360 of a complete revolution in magnitude.

Given that:

ΔUVW with side UW extended to X

m ∠UVW = (3x + 4)°

m ∠VWX = (8x -12)°

m ∠WUV = (x + 20)°

We know that ,

Sum of angles of triangle = 180°

m ∠UVW + m ∠WUV  + m ∠VWU = 180°

m ∠VWU = 180° - (m ∠UVW + m ∠WUV)

Also we know that sum of angles on a straight line

m ∠VWX and m ∠VWU are supplementary angles

m ∠VWX + m ∠VWU = 180°

m ∠VWU = 180° - m ∠VWX

m ∠VWX = (m ∠UVW + m ∠WUV)

Substituting the given values , we get

(8x -12)° = (3x + 4)° + (x + 20)°

8x - 3x - x = 4 + 20 + 12

           4x = 36

             x = 36/4 = 9

             x = 9°.

Therefore , The value of x is 9°

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x → -∝ , f(x) → -∝ and x → ∝ , f(x) → ∝

The exact same number of elements from Y are assigned to each element of X via a mathematical function from a set X to a set Y. The function's domain and codomain are respectively referred to as the sets X and Y as a whole.

The limit of a function in mathematics is a key idea in calculus and analysis regarding the behaviour of that function close to a specific input. Below are formal definitions that were initially developed in the early 19th century. Informally, a function f gives each input x an output f(x).

According to the given information

We are given with the function

[tex]f(x)=x^{6}+12x^{5} +26x^{4}-116x^{3}-363x^{2} +104x[/tex]

When

limit( x → ∝ ) = f(x) = ∝

limit( x → -∝ ) = f(x) = -∝

So

as x → -∝ , f(x) → -∝ and as x → ∝ , f(x) → ∝

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If the p-value less than the significance level then we have a type i error.

We know that if your P-value is less than the chosen significance level then you reject the null hypothesis i,e. accept that your sample gives reasonable evidence to support the alternative hypothesis.

Im statistics, a type i error means rejecting the null hypothesis when it's actually true, while type ii error means failing to reject the null hypothesis when it's actually false.

The chance that you commit type i errors is known as the type i error rate or significance level (p-value). This number is conventionally and arbitrarily set to o.o5 or 5%. Type ii errors are like "false negatives", an incorrect rejection that a variation in a test has made no statistically significant difference.

The probability of making a type i error is represented by alpha level, which is the p-value below which you reject the null hypothesis.

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