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Answer:2.131

Step-by-step explanation:

What is the predicted value for accidents per 1000 licenses for a city that has 13% of its licensed drivers under age 21, according to the estimated regression equation? Answer: 2.131 The p -value for "Percent under 21" in the regression output is p = 0.0000.

Answer: 15 29/64

Step-by-step explanation: Convert the mixed numbers to fractions. 43/8 times 23/8. This would equal 989/64 and if you simplify that, it would be 15 29/64.

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The probability that one of the pulled cards is double the value of the other is 0.0101.

Consider the possibility of the first card being double or the second card being doubled. There are 50 possible combinations if the first card is doubled. When the first card is double, the second card has a 1/99 chance of being the half-card

The probability of the first card being doubled is as follows:

= 50 × 1/100 × 1/99

So the probability of drawing two cards, where one is double the other, is:

= 2 × 1/2 × 1/99 or 0.0101

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Based on the image attached, The value of x = 26 and y = 60

Alternate interior angles are the angles formed on the opposite sides of the transversal. The angles that lie on the inner side of the parallel lines but on the opposite sides of the transversal.

And the alternative angle is equal to :

180°So, y° = y° at the alternative side

And so as (3x - 18)° = (3x - 18)° at the alternate side

The angle of a straight  line is  180°

The value of line m is a straight line so it is equal to 180°

So, y + (3x-18) = 180°

As also, the value of straight line (2x + 8)° + y° of the alternate side= 180°

So we have y° + (3x - 18)° = 180 and y° + (2x + 8)° = 180y + 3x = 180 + 18 and y + 2x = 180 - 8y + 3x = 198 and y + 2x = 172

By substituting method to get the value of x and y

when y = 172 - 2x

Substitute to equation 1172 - 2x + 3x = 198x = 198 - 172x = 26°

To find y = y + 2(26) = 172y +52 = 172y = 172 - 52y = 120°

Therefore the amount of x = 60 and y = 26

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Explanation:

5x+9y=41
(1,4)

20 m longer  to walk from A to B along the diagonal of the park than to walk along the edges of the park.

What is rectangle?

Rectangles are quadrilaterals having four right angles in the Euclidean plane of geometry. It can alternatively be described as a parallelogram with a right angle, an equiangular quadrilateral, or a group of triangles with equal angles. A square is a rectangle that has four equal sides.

As given, a park is in the shape of a rectangle and measures length of

40 m and width of 30 m, ∠B = 90°.

So, by Pythagoras theorem,

[tex]AC^2 = AB^2 + BC^2\\AC^2 = (40)^2 + (30)^2\\AC^2 = 1600 + 900\\AC^2 = 2500\\AC = \sqrt{2500}\\ AC = 50[/tex]

So, the distance from A to B along the diagonal is,

AB = AC + BC = 50 + 40 = 90 m

The distance from A to B along with the edges is,

AB = AD + DC + CB = 40 + 30 + 40 = 110 m.

Therefore, 20 m longer  to walk from A to B along the diagonal of the park than to walk along the edges of the park.

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The exponential function always exceeds the linear function

A mathematical function of form f (x) = an x is an exponential function. where x is a variable and an is the function's base constant The transcendental number e, which is approximately 2.71828, is the most commonly encountered exponential-function base.

An exponential function is distinguished from linear and quadratic functions in that the variable to be solved for is contained within the function's exponent rather than (necessarily) within the base of some exponential expression. Here are some examples:

Linear function: f(x) = 3x - 7: The exponents 1 and 0 are implied here, so f(x) is 3(x^1) - 7(x^0). It is worth noting that x is not a component of either exponent; rather, it is a component of the base of each exponent.

h(x) = 4^(3x + 7):This is an exponential function because the variable x is contained within the exponent in this expression.

As a result, the exponential function always outperforms the linear function.

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The required measure of the angle measured by using a protractor is 70°

Given situation : A protractor is used on an angle

A ray is passed through this angle

we have to find the measure of the total angle

Let the angle is passed through an angle ∠ABC

and the ray be BD

thus the two angles which will be formed will be

∠ABD and ∠DBC

Now let one of the angles , say angle ∠ABD be 13°

and ∠DBC be 57°

Thus the whole angle would be ∠ABD + ∠DBC = ∠ABC

∠ABC = 57 + 13 = 70°

Thus the required measure of the angle is 70°

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The total amount of the investment after 5 years is $15095

From the question, we have the following parameters:

Also from the question, the formula to determine the total amount  is given as

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

Where the values of the variables have been stated above

Solving further, we replace the variables with their values in the above equation

So, we have the following representation

A = 13000 * (1 + 3%/4)^(5*4)

Evaluate the expressions in the brackets

A = 13000 * (1.0075)^(20)

Evaluate the product expression

A = 15095

Hence, the value of the amount after 5 years is $15095

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The value of f(0) is 2.

The y-intercept of a function is the value of the function when x=0.

Note that f(0) is the value of f when the graph of the function crosses the y-axis.

Note from the graph that the graph of the function crosses the y-axis at

x = 2.

Hence, the value of f(0) is 2.

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The value of the number that is 4/25 more than 0.40 is 0.56  .

In the question ,

it is given that a number is 4/25 more than 0.40 , and we have to find that number .

let that number be = "x" .

in order to find the number x ,

we first convert 4/25 into decimal

4/25 = 16/100 = 0.16

that is 4/25 in decimal is 0.16

the number is 0.16 more than 0.40 ,

According to the question ,

x = 0.16 + 0.40

on adding both the numbers

we get ,

x = 0.56  

Therefore , The value of the number that is 4/25 more than 0.40 is 0.56  .

The given question is incomplete , the complete question is

What is the value of the number that is 4/25 more than 0.40 ?

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Justice is using a technique known as chunking.

Short-term memory can function more effectively thanks to chunking, however the quantity of chunks that can be stored efficiently declines as chunk size grows.

Large pieces of information may be divided into smaller bits and then grouped together using relevant information or attributes before being stored in order to improve retention of that information in the short term memory. To establish relational information or similarity between the information to be stored in order to improve retention and recall in the short term memory, information must be broken down before being regrouped. However, as chunk size grows, so does the efficiency of information chunking.

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Range of f(x)=[3,∞)

The range of a function in mathematics can refer to one of two ideas that are connected in some way:

1.Codomain for the function

2.an illustration of the action

Given two sets X and Y, a binary relation f between them is a (complete) function (from X to Y) if and only if there is precisely one y in Y such that f connects x and y. The terms "domain" and "codomain" of f, respectively, refer to the sets X and Y. The subset of Y made up only of those elements y of Y such that there is at least one x in X with f(x) = y is thus known as the image of f.

Given, f(x)= x²+3

Here x∈ R

x²+3≥3

Therefore, Range of f(x)=[3,∞)

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The amount in the bank account at the end of 3 years will be; $5487.5

Simple interest is a method of calculating the interest charge. Simple interest can be calculated as the product of principal amount, rate and time peroid.

Simple Interest = (Principal × Rate × Time) / 100

The amount deposited by Tyler's in the savings account is $5,000

Interest rate = 3.25% annually

Then Calculating the amount in the bank account after 3 years, using the formula;

Simple Interest = (Principal × Rate × Time) / 100

where P = principal invested

R = rate of interest annually

T = number of years amount is invested

So, Simple interest on the principal invested for 3 years=

5,000  x 3.25  x 3/100 = 487.5

The amount in the bank account at the end of 3 years will be;

= 487.5 + 5,000  

= $5487.5

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Answer:

3 3 67 9 43

Step-by-step explanation:

Classification of the given numbers as terminating decimal or non-terminating recurring decimal or non-terminating non-recurring decimal:

a. 0.45  : terminating

b. 0.131313  : terminating

c. -12  : terminating

d. 0.09099099909999... : non-terminating non-recurring decimal

e. 3.143256143256... non-terminating recurring decimal

As given,

Classification of the given numbers in the following way :

a. 0.45 : terminating

b. 0.131313  : terminating

c. -12  : terminating

d. 0.09099099909999... : non-terminating non-recurring decimal

e. 3.143256143256... non-terminating recurring decimal

Therefore, classification of the numbers are given below:

b. 0.131313  : terminating decimal

c. -12  : terminating decimal

d. 0.09099099909999... : non-terminating non-recurring decimal

e. 3.143256143256... non-terminating recurring decimal

The complete question is:

Classify the following numbers as terminating decimal or non-terminating

recurring decimal or non-terminating non-recurring decimal.

a. 0.45

b. 0.131313

c. -12

d. 0.09099099909999...

e. 3.143256143256...

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Answer: 2 soulutions

Step-by-step explanation: Just factor them and solve the answer would be x = 4 √3 + 8 in its exact form and x = 14.92820323... in its decimal form

Answer:

1 3/7 or 10/7

Step-by-step explanation:

1/5/2 + 1/10/3

1*2/5 + 1*3/10

2/5+3/10

4/10+3/10

7/10

1/10/7

F=10/7 or 1 3/7

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When an auditor uses monetary-unit sampling to examine the total value of invoices, each invoice has a probability proportional to its monetary value of being selected.

Monetary unit sampling (MUS) refers to a statistical sampling method utilized to determine if the account balances or monetary amounts in a population contain any misstatements in an account of transaction. Auditors use monetary unit sampling, which is also known as probability-proportional-to-size sampling or dollar-unit sampling, to establish the accuracy of financial accounts. With monetary unit sampling, each dollar in a transaction is a separate sampling unit. When an auditor uses monetary-unit sampling to examine the total value of invoices, each invoice has a probability proportional to its monetary value of being selected.

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The total amount Bridget received from her mom will be $6 as she will get extra for cleaning before 6PM.

In essence, percentages are fractions with a 100 as the denominator. We place the percent symbol (%) next to the number to indicate that the number is a percentage. For instance, you would have received a 75% grade if you answered 75 out of 100 questions correctly on a test (75/100). A number or ratio that can be expressed as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The percentage therefore refers to a part per hundred. Per 100 is what the word percent means. The letter "%" stands for it.

Here,

$5 for cleaning,

as she completed before 6 PM,

=5+20%*5

=5+1

=$6

Bridget's mother gave her $6 in total, with an additional $1 for cleaning before 6 o'clock.

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Answer:

B) x = 11

Step-by-step explanation:

The three angles of a triangle always add up to 180°

3x+28+5x+52+2x-10

= 180

Combine like terms.

10x + 70 = 180

subtract 70

10x = 110

divide by 10

x = 11

Answer:

Step-by-step explanation:

1.

A - $8

B - $10

C - $50

D - (Your name)

E - Cereal (Or your choice)

F - Cookies (Your choice again)

2.

(Your Name) is going shopping for Cereal and Cookies. The cost of Cereal is $10 and the cost of Cookies is $8. If (Your Name) can spend at most $50 how many Cookies can be purchased?

3. and 4.

Review with your partner to get your answers :)

Good luck!

well, we can find the y-intercepts by simply setting y = 0 and solving for "x"

[tex]\stackrel{y}{0}~~ = ~~x^2+8x+12\implies 0=(x+2)(x+6)\implies x= \begin{cases} -2\\\\ -6 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill (-2~~,~~0)\hspace{5em}(-6~~,~~0)~\hfill[/tex]

Step-by-step explanation:

(2x -5)(x+5)

FOIL method: multiply first, outer, inner, last pairs:

[tex]2x^2+10x-5x-25\\\\2x^2+5x-25\\[/tex]

Answer:

= 2x² + 5x - 25

Step-by-step explanation:

(2x - 5)(x+5)

=2x*x + 2x*5 - 5*x - 5*5

=2x² + 10x  - 5x - 25

= 2x² + 5x - 25

Answer:

-24/4 is yes

61.34 is no

Step-by-step explanation:

Answer:

the value of M(2) would be 43

Step-by-step explanation:

M(2) mean y

y = 9t+25

= y=9(2) + 25

y = 18 + 25

y = 43

Answer:

Step-by-step explanation:

M(2) = 43; If Hazel mows 2 yards, she will earn $43.

The percentage of kids who were boys in the birthday party is 58.3%.

The percentage can be calculated by the relation-

Percentage = number of boys ÷ total number of kids × 100

Calculating each value before calculating the percentage.

Number of boys = 7

Total number of kids = number of boys + number of girls

Total number of kids = 7 + 5

Performing addition

Total number of kids = 12

Keep both the values in formula -

Percentage of boys = (7÷12)×100

Percentage of boys = 58.33%

Round the number of nearest tenth, we get percentage = 58.3%

Thus, there were 58.3% boys.

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By solving the system graphically we get X=4 , Y=-5

What in mathematics is a linear equation?

Definitions: According to Wolfram MathWorld A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

The Answer to this question given in the Image

In this image we can see that line intersect at 1 point which is (4,-5)
Hence the ans is X=4 , Y=-5

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