Which variables would the scatter plot at the right be most likely to represent?
p1
Question 2 options:
The number of people at a concert and the total concession sales
The number of guests at a hotel and the total water consumption
The number of siblings a person has and the person's GPA
The total number of miles driven and the total gallons of gas used
The scatter plot shows the number of days since several people filled their cars with gas and the gallons of gas in their tank. Which is the most reasonable estimate of the gallons of gas in a tank if it has been 3 days since filling up?
Question 1 options:
10 gallons
13 gallons
23 gallons
17 gallons
Answers
1) The scatter plot at the right most likely represents the number of siblings a person has and the person’s GPA.
2) The most reasonable estimate of the gallons of gas in a tank if it has been 3 days since filling up is; 17 gallons
How to Interpret a Scatter Plot Diagram?1) Scatter plots are defined as the graphs that present the particular relationship between two variables in a data-set.
A scatter plot is also defined as a chart type that is usually used to observe and visually display the relationship between variables.
From the given scatter plot, we can say that the scatter plot at the right would most likely be used to represent the number of siblings a person has and the person’s GPA.
2) From the given scatter plot, we can see that the x-axis shows the number of days left since filling up while the y-axis represents the gallons of gas.
Now, we want to find out the most reasonable estimate of the gallons of gas in a tank if it has been 3 days since filling up. We will trace 3 on the x-axis and the corresponding value on the y-axis would be approximately 17 gallons.
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Related Questions
please check the image
Answers
The trigonometric measures in the context of this problem are given as follows:
[tex]\sin{\left(\frac{x}{2}\right)} = \sqrt{\frac{3-\sqrt{3}}{6}}[/tex][tex]\cos{\left(\frac{x}{2}\right)} = \sqrt{\frac{3+\sqrt{3}}{6}}[/tex][tex]\tan{\left(\frac{x}{2}\right)} = \sqrt{\frac{3 - \sqrt{3}}{3 + \sqrt{3}}}[/tex]How to obtain the trigonometric measures?We are given the measure of the sine for the angle and we need to find the three measures, sine, cosine and tangent for half the angle.
To find the measure for half the angle, the cosine is needed to apply the identities, and the cosine is calculated by the following identity:
sin²(x) + cos²(x) = 1
[tex]\left(\frac{2}{3}\right)^2 + \cos^2{x} = 1[/tex]
[tex]\cos^2{x} = 1 - \frac{4}{9}[/tex]
[tex]\cos{x} = \pm \sqrt{\frac{5}{9}}[/tex]
The angle is in the first quadrant, in which the cosine is positive, hence:
[tex]\cos{x} = \sqrt{\frac{5}{9}}[/tex]
[tex]\cos{x} = \frac{\sqrt{3}}{3}[/tex]
Then, applying an identity, the sine for half the angle is given as follows:
[tex]\sin{\left(\frac{x}{2}\right)} = \sqrt{\frac{1 - \cos{x}}{2}}[/tex]
Considering the calculated value for the cosine:
[tex]\sin{\left(\frac{x}{2}\right)} = \sqrt{\frac{1 - \frac{\sqrt{3}}{3}}{2}}[/tex]
[tex]\sin{\left(\frac{x}{2}\right)} = \sqrt{\frac{3-\sqrt{3}}{6}}[/tex]
The identity for the cosine is:
[tex]\cos{\left(\frac{x}{2}\right)} = \sqrt{\frac{1 + \cos{x}}{2}}[/tex]
Hence:
[tex]\cos{\left(\frac{x}{2}\right)} = \sqrt{\frac{3+\sqrt{3}}{6}}[/tex]
The tangent is obtained by the division of the sine and the cosine. The entire division can be placed into a single square root, and the common denominators of six are simplified, hence:
[tex]\tan{\left(\frac{x}{2}\right)} = \sqrt{\frac{3 - \sqrt{3}}{3 + \sqrt{3}}}[/tex]
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Please help. Find X and Y. NEED ASAP
Answers
Answer:
x=1.25 y=1.75
Step-by-step explanation:
8/10=5/5+x
50=8(5+x)
50=40+8x
50-40=8x
10=8x
x=10/8
x=1.25
while Y=8/10=7/7+y
70=8(7+y)
70=56+8y
70-56=8y
14=8y
y=14/8
y=1.75
Part of the pride of being an American comes from the fact that most people that want jobs have jobs. However, this is not always the case. Sometimes, as happened in 2008, the economy slows down, and jobs become harder to find or keep. Businesses make less money and so can keep fewer people employed. Those people who lost their jobs then have less money to spend. Because they have less money to spend, other businesses make less money, and then they, too, have to cut workers. In the United States, these cycles always end and the economy recovers, but it can take a while. People have to get creative about making money if they lose their jobs. Sometimes, they can use the skills they used at their old jobs to make money independently. For example, people don’t buy many car stereos when the economy is bad. So, car stereo stores have to layoff some of their stereo installers. If an installer has a place to work, that person can install stereos without a store. Often, this person will charge less than the store where he or she used to work. Also, the installer will get to keep all of the money he or she charged. At the store where the installer used to work, the store would have made most of the money. During hard times, it is important to be open-minded. There are always ways to make money outside of a formal job, if a person is willing to do things he or she wouldn’t normally do. A computer programmer, for example, might not be able to find work as a computer programmer. However, if the programmer is good with his or her hands, he or she may be able to find work in construction. Lawns never stop growing, and many aspects of life do not stop just because the economy has slowed down. A person who lost a job at a supermarket may be able to mow lawns for money, or do many other things. Most importantly, a person who loses a job must not give up. One’s attitude is very important in determining if he or she will be successful. A hopeful person is more likely to find a new job. Also, a hopeful person will
Answers
The sentence which supports the idea that people can use the skills they used at their old jobs to make money independently is "If an installer has a place to work, that person can install stereos without a store."
The correct answer option is option C
A summary about employees and American economy down timeThe essay is about American employees where people who actually needs a job gets a job. Although, this is not always the case especially when the economy slows down.
This slow down in the economy causes businesses to make less profit, thereby, making most people to lose their jobs. The purchasing power of the unemployed (people who lost their job) will reduce causing a decrease in the amount of money made by businesses. This is like a vicious cycle.
However, people who are skilled can still earn a living by doing other available jobs or those who are creative can create new jobs for themselves. For instance, an accountant can become a sales person in a supermarket if he or she lost their job.
In conclusion, a person who lost their job must be determined, hopeful and hard-working and must never give up, most importantly, they should never be idle because an idle mind is the devil's workshop.
Complete question:
Which sentence supports the idea that people can use the skills they used at their old jobs to make money independently?
Answer choices
A"So, car stereo stores have to layoff some of their stereo installers."
B"Often, this person will charge less than the store where he or she used to work."
C. "If an installer has a place to work, that person can install stereos without a store."
D. "At the store where the installer used to work, the store would have made most of the money."
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Elena Says x is a number that makes Equation A true but does not make Equation B true.
Equation A : 13 - 5x = 48
Equation B : 5x = 35
Write a convincing explanation as to why this is true
Answers
Answer:
See below
Step-by-step explanation:
13 - 5x = 48 Subtract 13 from both sides
-5x = 35
-5x = 35 is the not the same as 5x = 35
-5x = 35 Divide both sides by -5
x = -7
5x = 35 Divide both sides by 5
x = 7
7 and -7 are not the same solution. They are two different numbers.
How do I solve this problem step-by -step? 57x 2(4)+2
Answers
Answer:
=57×2of4+2
=57×8+2
=456+2
=458.
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Using information provided please answer the following
Answers
1. The bank discount on the note of $6,000, which will mature in 160 days at 3.5%, is $93.33.
2. The noteholder will receive total proceeds of $5,906.67 after the 3.5% discount.
What is a bank discount?Bank discount is the difference between the discounted and face (par) values.
For example, if the bank discounts a note, the holder receives a smaller amount than the face value they would have received had they held the note till its maturity.
The bank discount represents the finance charge for cashing the note earlier than its due date.
Amount due at maturity = $6,000
Discount rate = 3.5%
Time (period) = 160 days
Days in the year for ordinary interest = 360 days
Bank discount = $93.33 ($6,000 x 3.5% x 160/360)
The proceeds = $5,906.67 ($6,000 - $93.33)
Thus, the bank discount refers to the difference between the face value and the discounted value resulting from receiving cash from a note before maturity.
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The compression ratio in a certain engine is 7.5 to 1. If the expanded volume of a cylinder is 45 cu in., what is the
compressed volume?
Answers
If the expanded volume of a cylinder is 45 in³ , then the compressed volume is 6 in³ .
In the question ,
it is given that ,
the compression ratio in a certain engine is 7.5 : 1 .
the expanded volume of a cylinder is = 45 in³ .
we have to find the compressed volume of the cylinder ,
let the compressed volume of the cylinder be = v .
the above situation can be represented as
7.5 : 1 = expanded volume : compressed volume
7.5/1 = 45/v
7.5 = 45/v
v = 45/7.5
v = 6 cubic inches .
Therefore , If the expanded volume of a cylinder is 45 in³ , then the compressed volume is 6 in³ .
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The arithmetic mean of the ages of 30 pupils is 15.3 years. One boy leaves the class and one girl is enrolled and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl
Answers
The answer will be 3 years.
1st 30 pupils at average age of 15.3 yrs. give total age of 15.3 x 30 = 459yrs
2nd group of 30 pupils at average age of 15.2 yrs
give total age of 15.2 x 30 = 456yrs
Difference in age = 459 - 456
= 3 years.
The following angles are supplementary to each other.
m∠C = (2x + 18)° and m∠D = (3x − 18)°
Determine x.
Answers
Answer:
x = 36°
Step-by-step explanation:
Hello!
If angles are supplementary, that means that the sum of those angles is 180°.
Set up an equation and solve for x.
Solve for x2x + 18 + 3x - 18 = 1805x = 180x = 36The measure of x is 36°.
SOMEONE PLS HELP ME!!!!!!Match the statements with their correct reason to complete the proof.
Given: AB = BC and AD = CD
Prove: Triangle ABD Triangle CBD
Answers
Proved that Triangle ABD ≅ Triangle CBD
Consider the triangle ABD and the triangle CBD
The length of the side AB = The length of the side BC
The length of the side AD = The length of the side cd
The third side is common
According to the SSS rule congruent . If the three side of the triangle is equal to the three sides of the another triangle then the both triangles are congruent
Then three sides of the triangle ABD is equal to the three sides of the triangle CBD, Therefore the triangle ABD and triangle CBD are congruent
Hence, proved that Triangle ABD ≅ Triangle CBD
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How much should be deposited in an account paying 4.5% interest, compounded semiannually, in order to have a balance of $ 5,000 after 19 years and 6 months?
Enter the answer in dollars and cents, and round to the nearest cent, if needed. Do not include the dollar sign. For example, if the answer is $0.61, only the number 0.61 should be entered.
Principal ≈ $ ________
Answers
The amount that should be deposited in the account to earn a balance of $5, 000 after 19 years and 6 months is $2, 099.43
How to find the amount?First, find the periodic rate:
= 4.5% / 2 semi annual periods per year
= 2.25%
Find the number of periods:
= 19 years and 6 months = 19.5 years
= 19.5 years x 2 semi annual periods per year
= 39 periods
The amount to deposit in the account can be found by the future value formula:
Future value = Deposit x ( 1 + rate) ^ number of periods
5, 000 = Deposit x ( 1 + 2.25%)³⁹
Deposit = 5,000 / ( 1 + 2.25%)³⁹
= $2, 099.43
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The distance from -8 to 0 is the same as the distance from 8 to 0 on the number line true or false
Answers
18. If Allan swims at an average speed of 2
metres per second, how long will it take
him to complete a 200 metre race?
Answers
Answer:
100 seconds
Step-by-step explanation:
200/2 = 100s
(a) Write an equation representing the fact that the product of two consecutive odd Integers is 143. Use x to represent the smaller
integer.
(b) Solve the equation from part (a) to find the two integers.
(a) The equation is
Answers
The equation representing the fact that the product of two consecutive odd Integers is 143 is x(x+2) = 143 where x represents the smaller number and the value of x is 11 or -13.
According to the question,
We have the following information:
The product of two consecutive odd Integers is 143.
Now, let's take the smaller integer to be x.
Now, next consecutive odd integer:
(x+2)
So, we have the following expression:
x(x+2) = 143
[tex]x^{2} +2x = 143\\[/tex]
[tex]x^{2} +2x -143 = 0[/tex]
[tex]x^{2}[/tex]+13x-11x-143 = 0
Taking x as the common factor from first two terms and -11 from the last two terms:
x(x+13)-11(x+13) = 0
(x-11)(x+13) = 0
x-11 = 0 and x+13 = 0
x = 11 or x = -13
Next odd integer = 13 or -11
Hence, the equation representing the fact that the product of two consecutive odd Integers is 143 is x(x+2) = 143 where x represents the smaller number and the value of x is 11 or -13.
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If the function f(x) is the absolute value of 3 more than the value of x. Select all the true statements. A. The x-intercept of the function is 3.
Answers
The true statement about the function is that (b) the y-intercept of the function is 3
How to determine the true statement?The mathematical statement of the representation of the function is given as
The function f(x) is the absolute value of 3 more than the value of x.
Mathematically, this can be represented as
f(x) = |x + 3|
To determine the y-intercept, we set the x value of the function to 0
This means that we calculate f(x) when x = 0
i.e. f(0)
Substitute the known values in the above equation, so, we have the following representation
f(0) = |0 + 3|
Evaluate the sum
This gives
f(0) = |3|
Remove the absolute bracket
f(0) = 3
Hence, the y-intercept is 3
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Possible question
If the function f(x) is the absolute value of 3 more than the value of x. Select all the true statements.
A. The x-intercept of the function is 3.
B. The y-intercept of the function is 3.
A Tyrannosaurus rex weighed about 1.4 tons more than one tenth the weight of a Patagotitan mayorum. About how much did the Tyrannosaurus rex weigh?
Answers
Tyrannosaurus rex weighs about 0.14 times the weight of Patagotitan mayorum
How to determine by how much Tyrannosaurus rex weigh
In solving the proportion of the weights we use multiplication of fractions
Multiplication is a mathematical operator to handle such operation
A Tyrannosaurus rex weighed about 1.4 tons more than one tenth the weight of a Patagotitan mayorum
This is is written mathematically as
Tyrannosaurus rex weight, x = 1.4 * 1/10 * Patagotitan mayorum weight, y
x = 1.4 * 1/10 * y
x = 0.14 *y
x = 0.14y
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Find the slope determined by the following pair of points.
(4,5), (1,3
Answers
Answer:
2/3
Step-by-step explanation:
we use y2-y1/x2-x1 to find slope
5-3/4-1
2/3
The slope is 2/3
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Guidance Missile System A missile guidance system has eight fail-safe components. The probability of each failing is 0.35
Assume the variable is binomial. Find the following probabilities. Round your answers to at least four decimal places.
Part: 0/4
Part 1 of 4
com Rem
(a) Exactly six will fail.
P(exactly six will fail) =
Answers
The probability of exactly six will fail = 0.0808
What is Probability?
Calculating the likelihood of experiments happening is one of the branches of mathematics known as probability. We can determine everything from the likelihood of receiving heads or tails when tossing a coin to the likelihood of making a research blunder, for instance, using a probability. It is crucial to grasp this branch's most fundamental concepts in order to fully comprehend it, including the formula for computing probabilities in equiprobable sample spaces, the likelihood of two events joining together, the probability of the complementary event, etc.
In the given question, we have:
We know that Probability in binomial distribution with total components ' n ', probability of success ' p ', and the number "of successes " = [tex]{ }^n c_k p^k(1-p)^{n-k}[/tex]
we know that:
[tex]{ }^n c_k=\frac{n !}{(n-k) ! k !}[/tex]
[tex]\begin{aligned}P(\text { success }) &=P(\text { a part fails })=0.35 \text {. So, } \\P(x=5) &={ }^8 C_5 \times(0.35)^5(0.65)^3 \\&=56 \times(0.005252) \times(0.274625) \\&=0.0808 \\& \text { (Round to } 4 \text {-decimals) }\end{aligned}[/tex]
Hence,
The probability of exactly six will fail = 0.0808
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please help please
show answer and question.
a crate is 24cm by 18cm by 15cm . it is to be packed with boxes that are 8cm by 6cm by 5cm . what is the largest number of boxes that can fit in the crate.
Answers
The largest number of boxes that can fit in the crate will be 27.
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The dimension of the crate is 24cm by 18cm by 15cm.
And, it is to be packed with boxes that are 8cm by 6cm by 5cm.
Now,
By the given data;
Volume of the crate = 24 x 18 x 15
= 6480 cm³
And, The volume of the box = 8 x 6 x 5
= 240 cm³
Thus, The largest number of boxes that can fit in the crate = 6480 / 240
= 27
Therefore, The largest number of boxes that can fit in the crate will be 27.
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Find the exact value of tan195
Answers
The exact value of tan195° is 0.2679.
The given trigonometric ratio is tan195°.
What are trigonometric angles?Trigonometric angles are the angles in a right-angled triangle using which different trigonometric functions can be represented. Some standard angles used in trigonometry are 0º, 30º, 45º, 60º, 90º.
Now, the value of trigonometric ratio is
tan195°=0.2679
Hence, the exact value of tan195° is 0.2679.
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Find the value of x (desperately need help with this please! Due today!)
Answers
Answer:
x=48
Step-by-step explanation:
the 2 given angles if added together we know it’ll be 180 degrees
3x-12+x=180
4x-12=180
+12. +12
4x=192
x=48
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IXL Please Help Fast!
Answers
Answer:
Step-by-step explanation:
should be both line GJ and JK as well as line HK and JK
find slope intercept form and graph (-3,0) and (-3,-7)
Answers
Answer:
x = -3
Step-by-step explanation:
Slope = Rise/Run
Slope = Difference in y/Difference in x
Slope = -7/0
Slope = undefined (can not divide by 0)
This means that this is a vertical line
For a segment of a radio show, a disc jockey can play 5 records. If there are 7 records to select from, in how many ways can the program for this segment be arranged?
Answers
There are 2520 possible ways to arrange the programs
How to determine the ways the program can be arranged?From the question, we have
Total number of jockey records, n = 7
Total number of disc jockey records to select, r = 5
To determine the ways the program can be arranged, we make use of permutation
The number of ways of selection could be drawn is calculated using the following permutation formula
Total = ⁿPᵣ
Where
n = 7 and r = 5
Substitute the known values in the above equation
So, we have the following representation
Total = ⁷P₅
Apply the permutation formula
ⁿPᵣ = n!/(n - r)!
So, we have
Total = 7!/2!
Evaluate
Total = 2520
Hence, the number of ways is 2520
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Solve one sixth times quantity x plus 24 end quantity equals negative 6
Answers
The value of one-sixth times quantity x plus 24 end quantity equals negative 6 is -180.
What is an expression?The expression simply refers to the mathematical statements which have at least two terms that are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.
In this case, the expression given will be illustrated as:
1/6x + 24 = -6
Collect like terms
x / 6 = -6 - 24
x/6 = -30
Cross multiply
x = -30 × 6
x = -180
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1. A cyclist estimates that he will bike 80 miles this week. He actually bikes 90 miles. What is the percent error of the cyclists estimate rounded to the nearest percent?
A 8%
B 9%
C 10%
D 11%
2. Jack borrows $3,000 at a rate of 4% per year. How much total will he pay if it takes 3 months to repay the loan?
$10
$20
$30
$40
Answers
Answer:
D 11%
$30
Step-by-step explanation:
1. A cyclist estimates that he will bike 80 miles this week. He actually bikes 90 miles. What is the percent error of the cyclists estimate rounded to the nearest percent?
A 8%
B 9%
C 10%
D 11%
Actual distance: 90 miles
Estimated distance: 80 miles
percent error = (estimate - real)/real × 100%
percent error = (80 - 90)/90 × 100%
percent error = -11%
His error is 11%. The negative sign just means his estimate is 11% less than the real distance.
Answer: 11%
2. Jack borrows $3,000 at a rate of 4% per year. How much total will he pay if it takes 3 months to repay the loan?
$10
$20
$30
$40
interest = Prt
where P = principal (the amount borrowed or deposited)
r = annual rate of interest
t = time
We have P = $3,000
r = 4% = 0.04
t = 3 months = (3 months)/(12 months) = 0.25 year
interest = $3,000 × 0.04 × 0.25
interest = $30
He pays a total interest of $30.
What is –11 + |-5|-|-15|?
-1
-11
-9
-26
-21
Answers
Answer:
-1
Step-by-step explanation:
you would do -11 + (-5) which will be -16. Then do -16 - (-15) which will get you -1.
To find 50 x 20, I multiply
5 X 2 and then place the total number of
zeros in both factors at the end." Do you
agree? Explain.
Answers
Answer:
"i agree because.."
Step-by-step explanation:
50 x 20 = 1000
5 x 2 = 10
there are 2 zeros in both factors so placing the 2 zeros at the end of 10 (making 1000) would work since they are the same answer
Part 1 A new bank customer with $5,000 wants to open a money market account. The bank is offering a simple interest rate of 1.9% a. How much interest will the customer earn in 20 years? b. What will the account balance be after20 years?
Answers
The account balance after20 years will be $6900 and the simple interest for 20 years is $1900
The Principal amount = $5,000
Rate of Interest (r) = 1.9 %
Time Period (t) = 20 years
The Simple Interest is given by
[tex]S.I. = \frac{P*r*t}{100}[/tex]
Now, putting the values on the formula, we get:
[tex]S.I. = \frac{5000*1.9*20}{100} = 1900[/tex]
Hence, the interest will be $1900
Now, The Account Balance after 20 years = $ (1900 + 5000) = $6900
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What is the height of the cylinder? Round your answer to the nearest tenth, enter only the number, no label
Answers
To find the height, envision it as a third side to a right triangle. We have the first side, with a length of 7cm, and the hypotenuse, with a length of 15cm. When we have two sides of a right triangle with given lengths, we can employ the Pythagorean Theorem.
The Pythagorean Theorem states that the square of the hypotenuse, c, is equal to the sum of the squares of the other two sides, or:
[tex]a^2 + b^2 = c^2[/tex]
Well, we have a and c, so we can solve for b.
[tex]7^2 + b^2 = 15^2\\49+b^2 = 225\\49 - 49 + b^2 = 225 - 49\\b^2 = 176\\\sqrt{b^2}=\sqrt{176}\\b = 13.27[/tex]
b ≈ 13.27