Please help me and explain

Answer:

If Cora runs 1/2 mile per week and x is the number of weeks, then she will run 5+1/2x. Then determine how many weeks are in two and a half months (depends on which month it is as there are less weeks in February than in January!) but we could estimate 6.

For Hana, you will have 3+ 3/4 x

Step-by-step explanation:

First equation is y=5+1/2 x and then plug 6 in for x to solve for y. the second equation is y=3+3/4x and plug in 6.

The system of equations to describe this scenario are

The variable x means the number of weeks they ran and the y variable means the total distance they covered in miles .

The situation can be modelled like a linear equation.

Therefore,

y = mx + b

where

m = slope

b = y-intercept

Cora race will be as follows:

Hana race will be as follows:

The variable x which is the independent variable is the number of weeks each of them ran in the equation.

The variable y which is the dependent variable is the total distance covered in miles.  

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There were substantial differences in alcohol and drug usage by the manner of administration, however, problem drinking and drug use were present in 21.1% and 2.8% of the group, respectively.

The topic of whether data from population surveys could be gathered more quickly and affordably than using paper questionnaires is brought up by the widespread accessibility of computer-based technologies like the Internet and Interactive Voice Response (IVR) systems. The issue extends to whether it is possible to assess the prevalence of such behaviors in the general population when dealing with potentially stigmatized behaviors like problematic alcohol and drug use without endangering the accuracy of the findings. This study evaluates the reliability, response rate, and problematic alcohol and drug use of the Internet and IVR versions of the AUDIT and DUDIT. Randomly chosen from the Swedish general population, 5000 people were contacted by mail and asked to respond to the AUDIT and DUDIT questionnaires online or over the phone.

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Answer:

3

Step-by-step explanation:

3 is the answer to the question

Answer:

the largest possible number for each would be dividing it by two so 36 divided by two is 18 and 44 divided by two is 22

so for the orange the largest number would be 18

and for the grape the largest number would be 22

35300 x 10⁰

3530 x 10¹

353 x 10²

35,3 x 10³

3,53 x 10⁴

0,353 x 10⁵

Answer:

3.53x10^4

Step-by-step explanation:

your welcome

~Ren

Answer: b & e

Step-by-step explanation:

a and c appear congruent as do d and f

Answer:

(2x-1)(2x+3)

Step-by-step explanation:

4x^2 + 4x - 3

4x^2 + 6x - 2x - 3

2x(2x + 3) - 1(2x + 3)

(2x - 1) (2x + 3)

Answer: 15

Step-by-step explanation:

if 975 dollars paid for 65

975/65=15

Answer:

23

Step-by-step explanation:

i need brainliest. i promise it is correct.

Answer:

r = 1

Step-by-step explanation:

8 - 6r + 3 = 5

Combine like terms

11 - 6r = 5

Subtract 5 from both sides

6 - 6r = 0

Add 6r to both sides

6 = 6r

Divide both sides by 6

1 = r

Answers:

The transversal line is line s

The angles 6 and 16 are same side exterior angles

=================================================

Explanation:

Erase everything but lines p, q, and s. Also, we'll keep angles 6 and 16 as well. Check out the diagram below.

As you can see from the diagram, lines p and q act like the parallel lines. Imagine we can shift line p to make it horizontal so it's parallel to line q. This might help show that angles 6 and 16 are same side exterior angles.

Note: Because line p is not parallel to line q, this means angles 6 and 16 are not supplementary (they don't add to 180).

Answer:

why?

Step-by-step explanation:

Answer:

OTAY

Step-by-step explanation:

Answer:

y = 3

Step-by-step explanation:

Linear Function:

y = mx + b

When X = 2, Y should equal 3

(2, 3)

When X = 4, Y should also equal 3

(4, 3)

Another way to ask this question if you are curious:

"Write a linear equation that passes through the points (2, 3) and (4 , 3)

Using the points though, we can use the slope formula equation to get the slope:

y2 - y2

----------

x2 - x1

-plug in the numbers from the points-

3 - 3

------

4 - 2

=

0 / 2

So the slope is going to be 0.

y = 0x + 3

y = 3

Answer:

None of the answers are correct.

Step-by-step explanation:

Maria's answer is incorrect:

1. "-1" is the y-intercept. 3x/4 is your rise/run.

2. Start from -1 on the y-axis.

3. Go up 3 units above, then 4 units to the right.

4. This leads up to being not on the line.

Peter's answer is incorrect:

1. "-1" is the y-intercept. -4x/3 is your rise/run.

2. Start from -1 on the y-axis.

3. Go down 4 units below, then 3 units to the right.

4. This leads up to being not on the line.

Answer:

=−260

Step-by-step explanation:

The algebraic equation "0.40x = 400" represents the words: forty percent of Mrs. Garcia's score is 400 points. Mrs. Garcia's score is 1000.

Algebraic equation is an equation made up of variables and coefficients that can be used to solve mathematical problems or questions.

To formulate an algebraic equation, we designate a variable for unknown values.

Mrs. Garcia's score is unknown, and so

let x = Mrs. Garcia's score

Based on the information given on the problem, forty percent of Mrs. Garcia's score is 400 points. Forty percent can be written as 0.40.

40% of x is 400

0.40x = 400

Hence, the algebraic equation for that is 0.40x = 400.

Evaluating the value of x,

0.40x = 400

x = 400 / 0.40

x = 1000

Therefore, Mrs. Garcia's score is 1000.

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Answer:

slope: -8

Explanation:

[tex]\sf slope\:intercept\:form:y = mx+ b[/tex]

where:

Here equation:

⇒ y - 14 = -8(x + 2)

rewrite:

⇒ y = -8x - 16 + 14

simplify

⇒ y = -8x - 2

Here, the slope is -8 and y-intercept is -2.

Answer:

X= 60 Y= 50

Step-by-step explanation:

180-50-60= 70 (not marked angle)

180-50-70= 60 (angle x)

180-70-60= 50 (angle y)

Answer:

x=60

y=50

Step-by-step explanation:

I think this is right.

Answer:

i think the answer would be 95 degree. im not absolutley positive though

Step-by-step explanation:

i added 35 and 50 and got the sum of 85 then i subtracted 85 from 180 and got 95

feedback is appreciated.

(i'm not gonna beg for brainliest)

Answer:

it finding the number of jelly beans

Step-by-step explanation:

Having customers fill out a questionnaire about their favorite brand of toothpaste is an example of an observational study.

Option B is the correct answer.

An observational study is a research method in which the researcher observes and records behavior or data without directly manipulating the variables.

We have,

In an observational study, the researcher simply observes and records data as it naturally occurs, without interfering or influencing the study participants.

This type of study is often used in social science research, as well as in medical research and epidemiology, to study the relationships between variables and to identify patterns or trends in the data.

Observational studies can be either cross-sectional, where data is collected at a single point in time, or longitudinal, where data is collected over an extended period of time.

In this case,

The researchers are simply observing and collecting data without actively manipulating any variables or performing any interventions.

Thus,

Having customers fill out a questionnaire about their favorite brand of toothpaste is an example of an observational study.

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Answer:

It has an infinite amount as the decimal keeps going to over 1 million digits and beyond.

Step-by-step explanation:

Answer:

I think It is C if Not pick A

Step-by-step explanation:

Answer:

The Y-intercept is -1

Step-by-step explanation:

M*thway is a pathway to many abilities some considered to be... unnatural

Statement (C) the y-intercept is y=-1 describes the graph of the function.

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a function:

[tex]\rm f(x) = \dfrac{x^2-1}{x^2-2x+1}[/tex]

The above function is a rational function.

The denominator cannot be zero

x² - 2x + 1 ≠ 0

(x - 1)²≠ 1

x ≠ 1

To find y-intercept plug x = 0

f(0) = -1

Thus, statement (C) the y-intercept is y=-1 describes the graph of the function.

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Answer:

7 seconds

Step-by-step explanation:

set the equation to 0 because the water is the 0 point, and solve, you will get 7 and -5. It is not possible to have negative seconds so 7

The minutes it will take for the tank to be 3/5 full is 720 minutes.

A fraction is a non-integer that is made up of a numerator and a denominator. The numerator is the number above and the denominator is the number below. An example of a fraction is 3/5.

The first step is to determine how many gallons the tank would have when it is 3/5 full. To determine this value, multiply the volume of the tank by 3/5.

Gallons when the tank is 3/5 full = 3/5 x  48,000 = 28,800

Now, divide the speed of the water by the gallons in the tank when it is 3/5 full.

28,800 / 40 = 720 minutes

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Answer:

Society helps determine how its resources are deployed to fund scientific work, encouraging some sorts of research and discouraging others. Similarly, scientists are directly influenced by the interests and needs of society and often direct their research towards topics that will serve society.

Answer:

18/7

Step-by-step explanation:

x=reciprocal of 7/18

7/18 * x = 1 ==> the product of the reciprocal of a number and the number itself is one since the product of the numerator and the product of the denominator would be the same.

7x/18=1

7x/18 * 18=1*18

7x=18

7x/7=18/7

x=18/7

Answer:

B

Step-by-step explanation:

If it’s for khan positive , negative, negative, positive