Think about all the models and strategies you have discussed today. Describe how one of them helped you better understand how to find the slope of a line.​

Answers

Answer 1

Answer:

I could find the slope of a line by looking at the gradient of a graph that the line creates. If the line is linear, then the gradient will be a constant value, which I can use to find the value of the slope. If the line is not linear, then I can use a derivative to find the slope at a given point. However, if the line is concave or concave up, then I will need to take the second derivative of the equation to determine which point on the line is closest to the point that I'm trying to calculate.

Step-by-step explanation:


Related Questions

The football team would like to purchase tickets to see a U of M football game. StubHub is charging $45 per ticket along with a handling fee of $4 per ticket. The shipping charge for all of the tickets is a flat fee of $20. How many players can attend the game if their budget is $1500? Write and solve an inequality that models this situation

Answers

Answer: Let x be the number of players who can attend the game. The total cost for the tickets is $45 per ticket * x tickets + $4 per ticket * x tickets + $20 flat fee = $49x + $20. We can write this as an inequality as follows:

49x + 20 <= 1500

To solve this inequality, we need to isolate the x term on one side of the inequality. We can do this by subtracting 20 from both sides:

49x <= 1480

Then, we can divide both sides by 49 to find the value of x:

x <= 30

Thus, if their budget is $1500, the football team can purchase tickets for at most 30 players to attend the game.

Step-by-step explanation:

Which property is illustrated by the statement? 8⋅x=x⋅8

Answers

Answer:

Any value of x makes the equation true.

Step-by-step explanation:

all real numbers

interval notation:(-infinity, infinity)

pls mark as brainliest lol

Which expression is equivalent to 2x² 4 3x² 2x 7?

Answers

Given Expression is equivalent to 5x^2 - 2x + 3 With the Same Variable and exponent we have added or subtracted their constant value.

First, try to learn what is an expression.

Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the phrase 4x+ 15, for instance, the terms 4x and 15 are separated from the variable x by the arithmetic sign +.

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation.

The following components make into a mathematical expression:

Constant, Variables, Terms, Operators.

Given expression is  (2x^2-4) - (-3x^2+2x-7)

let's Multiply - sign inside the bracket.

2x^2 - 4 + 3x^2 - 2x + 7

With the Same Variable and exponent and their constant value, we can perform mathematical operations like addition, multiplication, and subtraction.

2x^2 + 3x^2 = 5x^2

5x^2 - 2x + 3.

Given Question is  incomplete complete question here.

Which expression is equivalent to  

[tex](2x^2-4)-(-3x^2+2x-7)[/tex]

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A rug cleaning service uses telemarketing to get business. For every 175 calls made, on average, there will be about 28 new customers. What is the experimental probability of getting a new customer over the phone?

Answers

Answer:

The experimental probability is 4/25

Step-by-step explanation:

Here, we want to get an experimental probability

To get this, we will need to divide the number of new customers by the total number of calls made

Mathematically, we have this as 28/175

= 4/25

he distribution of the diameters of a particular variety of apples is approximately normal with a standard deviation of 0.2 inches. How does the diameter of an apple at the 34th percentile compare with the mean diameter

Answers

Using the normal distribution, we have that diameters at the 0.34th percentile are 0.2 standard deviations, that is, 0.127 inches above the mean.

Which of the following can be true about an event's probability?

Probability is the likelihood that a particular experiment result will appear a certain number of times. It cannot be less than zero or greater than one. A 100% chance of an outcome occurring exists if the outcome is 1, for example. If the result is greater than 1, there is a greater chance that it will occur.

In a normal distribution with mean  and standard deviation , the z-score of a measure X is given by:

It measures how many standard deviations the measure X is from the mean.

After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem:

34th percentile is X when Z has a p-value of 0.34, so X when Z = 0.6331.

It means that the diameter is 0.44 standard deviations = 0.6331x0.2 = 0.127 inches above the mean.

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PLZ HELP ME I BEG UUUUU

Answers

Answer:

43.96

Step-by-step explanation:

14 x 3.14 = 43.96

7 is the radius but 14 is the like line and to find it you add 7 plus 7 (aka the other half) and multiply it by 3.14 thus the answer is

43.96

Answer:

B

Step-by-step explanation:

C = d x pi

Since the radius is half of the diameter, we have to multiply 7 and 2 which would give us 14. After that, we multiply 14 and 3.14 which gives us 43.96 in.

Math question needing help asap

Answers

Answer:

1. 295.262 liters

2. 107770.63 liters in a year

Step-by-step explanation:

i'm not sure about number 2, but i got that by multiplying 295.262 liters times 365 cuz there are 365 days in a year. i hope this helps!

Thirty percent of the balloons used to decorate a party are red and the rest are yellow. If one-quarter of the yellow balloons have strings and there are a total of 40 balloons, how many of the yellow balloons do not have strings

Answers

62.5 of the yellow balloons lack strings. The ratio of positive outcomes to all outcomes in that sample space is generally referred to as the probability.

What is the probability formula?

The ratio of positive outcomes to all outcomes in that sample space is generally referred to as the likelihood. The formula is: Probability of an Event P(E) = (Number of Favorable Outcomes) (Sample space).

The ratio of positive outcomes to all outcomes in that sample space is generally referred to as the likelihood.

A sample is created in this way, and using the data collected, the calculation can be done. The formula for calculating probabilities is probability = Favorable instances / Possible cases x 100, given as a percent.

25/40 * 100 = 0.625*100 = 62.5.

62.5 of the yellow balloons lack strings.

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Which of the following chocies is not a function?

A {(0, 0), (1, 4), (2,8)}
B {(0, 0), (3, 16), (16, 49)}
C {(1, 1), (2, 2), (3, 3), (4,4)}
D {(7, 1), (6, 2), (5, 3), (5,4)}
E All of these choices are functions.

Answers

The answer is C.

C has x values that repeat.
The answer should be C.

Please help meh plzzzzzz

Answers

Answer:

40 units²

Step-by-step explanation:

Surface Area of a square pyramid = b² + 2bl, b = 4, and l = 3

=> (4)² + 2(4)(3)

=> 40 units²

Hope this helps!

Answer:

4 x 4 = 16(area of base below *square*)

3 x 4 = 12, 12 divided by 2 ( x 1/2) = 6(area of one triangle side), 6 x 4 = 24(area of 4 triangles on all sides

Adding all given areas:

16 + 24 = 40 squared.

estimate the area of each figure. each square represents 1 square foot.

Answers

I thinks it’s 25ft ^2

Answer:

12 ft^2

Step-by-step explanation:

If you split up the 4 triangles you would have 8 right triangles

To solve for 1 right triangle you use the formula : 1/2 • l • h

1/2 • 1 • 2 = 1

Since there’s 8 right triangles you do:

8 • 1 = 8

Now the inner shape (a square):

2 • 2 = 4

Add up the areas:

8 + 4 = 12

find the number of digits in the square root of 740200625 PLS ANSWER FAST​

Answers

Answer:

740200625 square rooted equals

[tex]25 \sqrt{1184321} [/tex]

Joey's friend Tim is buying lunch for him and their friends at a restaurant. The bill is $60. Joey tells Tim he will pay for the tip. He wants to leave a 15% tip. How much does Joey need to leave for the tip?

Answers

Answer:

$9

Step-by-step explanation:

60 x 15% tip

60 x .15’

$9 is tip

HELP ASAP PLEASE!! The table shows the numbers of cars manufactured in thousands by a company for selected years. Use a calculator to write a quartic model for the number of cars manufactured in a given year since 2000. Then use the model to estimate the number of cars manufactured in 2007

Answers

In algebra, a symbol is used to denote an unknown numerical value in an equation or algebraic expression.

What is meant by variables?

A variable in mathematics is a letter that is substituted for an unknown integer in equations, expressions, and formulas.

An unknown numerical value in an equation or algebraic expression is represented by a symbol (often a letter) in algebra. A variable is, to put it simply, a quantity that may be altered and is not fixed.

The two primary categories of variables are categorical and numeric. Then, for categorical and numerical variables, respectively, nominal or ordinal and discrete or continuous subcategories are created for each category. This section provides a quick overview of these types.

A.) (x) ≈ 0.572[tex]$$x^4[/tex] − 15.63x³ + 146.273x² − 523.325x + 687.334

Approximately 203 automobiles were produced in 2007, according to estimates.

B.) f(x) ≈ 0.423x³ − 12.463x2 + 123.485x − 223.309

Approximately 178 automobiles were produced in 2007, according to estimates.

C.) f(x) ≈ 0.572[tex]$$x^4[/tex] + 15.63x³ − 146.273x² − 523.325x + 687.334

Approximately 203 automobiles were produced in 2007, according to estimates.

D.) f(x) ≈ 0.423x³ + 12.463x² − 123.485x + 223.309

Approximately 178 automobiles were produced in 2007, according to estimates.

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Number of cars manufactured in 2007 will be equal to 178 or 203 based on quartic model.

What is meant by variables?

A variable in mathematics is a letter that is substituted for an unknown integer in equations, expressions, and formulas.

An unknown numerical value in an equation or algebraic expression is represented by a symbol (often a letter) in algebra. A variable is, to put it simply, a quantity that may be altered and is not fixed.

The two primary categories of variables are categorical and numeric. Then, for categorical and numerical variables, respectively, nominal or ordinal and discrete or continuous subcategories are created for each category. This section provides a quick overview of these types.

A.) (x) ≈ 0.572 − 15.63x³ + 146.273x² − 523.325x + 687.334

Approximately 203 automobiles were produced in 2007, according to estimates.

B.) f(x) ≈ 0.423x³ − 12.463x2 + 123.485x − 223.309

Approximately 178 automobiles were produced in 2007, according to estimates.

C.) f(x) ≈ 0.572 + 15.63x³ − 146.273x² − 523.325x + 687.334

Approximately 203 automobiles were produced in 2007, according to estimates.

D.) f(x) ≈ 0.423x³ + 12.463x² − 123.485x + 223.309

Approximately 178 automobiles were produced in 2007, according to estimates.

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Rebecca believes that the sum of 3 + (-53) is 8.9 Kenneth thinks the sum is -27. Who is correct?​

Answers

Answer:

They both are not correct.

Step-by-step explanation:

3+(-53) = -50 not -27 or 8.9

answer:
neither one of them

step-by-step explanation:
3 + (-53)
3 - 53
-50

Find the standard deviation for the set of data. {12,20,7,18,25,6,17,26,16}
A. 6.3
B. 6.65
C. 6.09
D. 8.22

Answers

Answer:

6.65

Step-by-step explanation:

That is approximately how far each number is from each other

Students who attend Anytown College pay either in-state or out-of-state tuition, depending on where they reside. The mean and standard deviation of the sum, S, of tuition for a randomly selected pair of in-state and out-of-state students are μS = $6,348. 75 and σS = $1,508. 48. How can these values be interpreted? Check all that apply. The average of the sums of both types of tuitions would be $6,348. 75 for many, many randomly selected pairs of students. Students who pay both types of tuition will pay $6,348. 75 per semester. For a pair of randomly selected in- and out-of-state students, the sum of their tuitions is $6,348. 75. For a pair of randomly selected in- and out-of-state students, the sum of their tuitions typically varies from the mean of $6,348. 75 by about $1,508. 48. Students who pay both in- and out-of-state tuition should expect their cost to vary by about $1,508. 48 per semester

Answers

The average tuition for two randomly chosen in-state and out-of-state students is around $1,508 less than the mean of $6,348.75.

Mean Deviation

The average deviation from the mean value of the provided data set is determined using the mean deviation, which is defined as a statistical metric.

Given

μS = $6,348.75

σS = $1508.48

The average sum of the tuition fees is $6348.75

As a result, it follows:

The standard deviation of the tuition for in-state students is measured as a difference from 6348.75.

The standard deviation for out-of-state students gauges how their tuition is different from 1508 in total.

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Which of the following could be the perimeter of a rectangle with an area of 16 square inches?

Answers

Answer:

16 inches

Step-by-step explanation:

16 = 8*2 ; 2+2+8+8 = 20; thus, P = 20 in

Help!! Stuff about triangles

Answers

Answer:

3

Step-by-step explanation:

Since [tex]\angle A \cong \angle A[/tex] by the reflexive property and [tex]\angle ABC \cong \angle ADE[/tex] since they are both right angles, [tex]\triangle ABC \sim \triangle ADE[/tex] by AA.

It follows that:

[tex]\frac{x}{9}=\frac{5}{9+6} \implies x=3[/tex]

A box of highlighters originally cost
$
18
. It goes on sale at
10
%
off the original price.

Fill in the blanks:
Original percentage
=

%
Percentage off
=

%
Percentage left over
=

%

Complete the number sentence to show how to find the sale price of the box of highlighters:
Sale price
=_______% x $18

Answers

Answer:

hhhhjjff?ihd,uiufy?उग्फ्त्त्य्युउउउईईइय्त्ग्ग

A case holds 48 boxes of candy and costs $24. How much would 2 % cases of candy cost?

Answers

Answer:

48 cents

Step-by-step explanation:

2n -3=7
what is the variable?
What is the coefficient of the variable?
Which of these the solution of the equation?​

Answers

The variable for the equation 2n - 3 =7 is 5.

What is variable ?

A variable is a symbol used to denote a mathematical object in mathematics. Any number, vector, matrix, function, function argument, set, or set element can be represented by a variable.

A variable is a quantity that could change depending on the circumstances of an experiment or mathematical problem. Typically, a variable is denoted by a single letter. The general symbols for variables most frequently used are the letters x, y, and z.

An amount that can fluctuate depending on the mathematical issue is referred to as a variable. The generic letters x, y, and z are frequently employed in mathematical expressions and equations. A variable, then, is a symbol denoting a number whose value is unknown.

Then variable is n

Variable is an alphabet that depend on number.

Then the variable there is n

And the coefficient of the variable is 2

The coefficient is the number behind a variable

And the value of the variable is

2n-3=7

Add 3 to both sides

2n-3+3=7+3

2n=10

Divide both side by 2

2n/2=10/2

n=5

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Could someone give me a hand here I’m rlly in a rush I needa get this over with

Answers

Answer:

c = √52

Step-by-step explanation:

applying pythagoras theorem: a² + b² = c²

where 'a' and 'b' are legs and 'c' the hypotenuse.

Substitute values:

6² + 4² = c²

c² = 36 + 16

c² = 52

c = √52

Hello. Nice to meet you.... ok pls help.. i'll give 25 points? ;-;

Answers

Answer:

A = 5.

B = 2.

C = 1.

D = 6.

E = 3.

F = 7.

G = 4.

Explanation:

The Law of Distributions

Hope this helps! Have a good day! If you found this helpful comment, like, or mark as brainliest!! Thanks! :D

When the inverse of a function is itself a function it is called?

Answers

When the inverse of a function is itself a function it is called self-inverse.

A mathematical phrase, rule, or law establishes the link between an independent variable and a dependent variable (the dependent variable). In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences.

This relationship is commonly symbolized as y = f(x)—which is said “f of x”—and y and x are related such that for every x, there is a unique value of y.

A self-inverse functionreverses itself’ to produce the original input.

A function f is self-inverse if it has the property that f(f(x))=x for every x in the domain of f. In other words, f(x)=f−1(x).

For example, 1x and 3−x are self-inverse.

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Scientists measure a bacteria population and find that it has 10,000 organisms. Five days later, they find that the population has doubled. Which function f could describe the bacteria population d days after scientists first measured it, assuming it grows exponentially?

Answers

Answer:

f(x)= 10,000(2)^x

Step-by-step explanation:

Exponential equations can be modeled by a(r)^x where a is the initial amount, r is the difference, and x is how many units the equation should be squared by.

A function that describes the bacteria population after d days would be,[tex]\bold{f(d) = 10000\times(1+0.15)^d}[/tex]

What is an exponential growth?

An exponential growth function is a function that grows at a constant percent growth rate.

What is an exponential growth function?

f(t) = a×(1 + r)^(t)

where f(t) = exponential growth function

a = initial amount

r = growth rate

t = number of time intervals

For given example,

initially a bacteria population (a) = 10,000

Five days later, they find that the population has doubled.

d = 5, f(5) = 20,000

Assuming it grows exponentially, we find the growth rate of a bacteria population by using the formula of exponential growth function.

[tex]\Rightarrow f(d) = a\times(1 + r)^{d}\\\\\Rightarrow f(5) = 10000\times (1+r)^5\\\\\Rightarrow 20000=10000\times (1+r)^5\\\\\Rightarrow 2=(1+5)^5\\\\\Rightarrow 1+r=\sqrt[5]{2}\\\\\Rightarrow 1+r = 1.15\\\\\Rightarrow r = 1.15-1\\\\\Rightarrow \bold{r = 0.15}\\\\\Rightarrow \bold{r=15\%}[/tex]

This means, the exponential growth function would be,

[tex]\bold{f(d) = 10000\times(1+0.15)^d}[/tex], where d represents number of days.

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How many solutions does this equation have. 3 (4x-5) = 6x+15

Answers

Answer:

6 or 7 depends if you simplify

Step-by-step explanation:

Select the correct answer.
Which expression is equivalent to √48x^5, if x > 0?
O A.12³√3x
OB. 42³√3
O c. 4x²√3x
OD. 12x²√x

Answers

Step-by-step explanation:

O c. 4x²√3x expression is equivalent to √48x^5, if x > 0?

Find the equation of the line that has the given x-intercept and y-intercept. Write the answer in standard form.​

Answers

Answer:

x - 4y = -4

Step-by-step explanation:

Standard form of a line: Ax + By = C

Equation of line in x-intercept and y-intercept form:

         [tex]\sf \boxed{\dfrac{x}{a}+\dfrac{y}{b}=1}[/tex]

Here a is x-intercept and b is y-intercept.

           a = -4 & b = 1

[tex]\sf \dfrac{x}{-4}+\dfrac{y}{1}=1\\\\\text{Mutiply the entire equation by (-4)},\\\\(-4)*\dfrac{x}{-4} + (-4)*\dfrac{y}{1}=1*(-4)\\\\\\x - 4y = -4[/tex]

Equation of line in standard form:

        x - 4y = -4

Which figures are shown in the diagram? Select three options.

Answers

Answer:

point d

ray cd

segment cd

Step-by-step explanation:

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