Answers
Considering the given graph, the profit during the period was of -2 dollars.
How to add negative numbers along with positive?We add all the negative numbers, all the positive numbers, then keep the signal of the higher absolute value, and subtract the values.
From the graph, we have that:
The sum of the negative numbers is of 8.The sum of the positive numbers is of 2 + 4 = 6.8 > 6, hence the profit is negative given by:
-(8 - 6) = -2 dollars.
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Related Questions
(02.02 LC)
If h(x) = −2x − 10, find h(−4).
Group of answer choices
−2
−18
−3
−16
Answers
The value of the function h(-4) is (a) -2
How to determine the h(-4)?The function is given as
h(x) = -2x - 10
When x = -4, we have:
h(-4) = -2 * -4 - 10
Evaluate the product
h(-4) = 8 - 10
Evaluate the difference
h(-4) = -2
Hence, the value of the function h(-4) is (a) -2
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On a coordinate plane, a line goes through (negative 4, 0) and (0, 2). The graph of the equation y = 12 x + 2 is displayed. Which equations would intersect the orange line at the y-intercept? Check all that apply. y = 7x + 2 y = 3x + 5 y = 2 minus StartFraction 7 Over 3 EndFraction x y – 2 = 4x 3y = –9x – 6
Answers
The equation of line which would intersect be
y = 7x + 2 y = 2- 7/3x y-2 = 4xWhat is equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
Given:
y = 12 x + 2
and, a line passes through (-4, 0) and (0, 2)
Equation of line
y = -1/2 (x+ 4)
y= -x/2 - 2
The equations which would intersect the line will be
y = 7x + 2 y = 2- 7/3xy-2 = 4xLearn more about equation here:
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The sum of two numbers is 32. One number is 3 times as large as the other. What are the numbers?
Answers
Answer:
Let the greater number be x and the smaller number be y
A.T.Q,
x+y=32 ...(1)
x=3y ...(2)
putting the value of x from (2) in (1)
(3y)+y=32
4y=32
y= 32/4=8
x=3y
x=3(8)=24
x=24 , y=8
Is the relationship between red sox away games and average daily revenues significant at the 95% confidence level? choose the correct answer with the corresponding correct reasoning.
Answers
Answer:
Yes, because the p-value of the independent variable is less than 0.05
Step-by-step explanation:
The relationship between Red Sox away games and average daily revenues significant at the 95% confidence level because the p-value ( X) < 0.05 , Option C is the correct answer.
What is Probability ?Probability is the study of chances of an event to happen.
It has a range form 0 to 1 , where 0 indicates uncertainty while 1 indicates certainty.
The data is given and on the basis of it
It can be seen that for 95 % confidence Level
P value =0.0005
So , the relationship between Red Sox away games and average daily revenues significant at the 95% confidence level because the p-value of the independent variable is less than 0.05.
Therefore Option C is the correct answer.
The complete question is
Is the relationship between Red Sox away games and average daily revenues significant at the 95% confidence level? Choose the correct answer with the corresponding correct reasoning.
No, because R Square is less than 50%
Yes, because the slope is positive.
Yes, because the p-value of the intercept is less than 0.05
Yes, because the p-value of the intercept is less than 0.95
Yes, because the p-value of the independent variable is less than 0.05
Yes, because the p-value of the independent variable is less than 0.95
The data table is attached with the answer.
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A trader bought 150 articles for $270.00. If he made
profit of 27%, find the selling price for each article
Answers
Answer:
$2.29
Step-by-step explanation:
$270 + 27% = $270 + (270 * 0.27)
= $270 + 72.9
= $342.9
$342.9 was the total selling price, but there are 150 articles.
$342.9 / 150 = $2.286
= $2.29 (Currency is rounded to two decimal places)
! PLS HELP ! There are a total of 30 white and black marbles in a box. There are 14 more white marbles than black marbles. How many black marbles are in the box?
Answers
Answer:
There are 8 black marbles.
Step-by-step explanation:
First, set up your equation. You have black (b) and white (w) marbles, total of 30, so those will be your variables to set in your equation.
w + b = 30
You mentioned that there are 14 more white marbles then black. Therefore, white marbles will have b many marbles + 14, creating the equation:
w= b + 14
If w = b + 14 and w can be easily substituted in the first equation, substitute w for b + 14. This will result in having the equation of:
(b +14) + b= 30
Simplify this equation, combine like terms to break down the equation, making it easier for you to solve for b.
-Subtract 14 from both sides.
-Add b + b = 2b
Then, you will have your resulting equation in which you divided 2 from both sides to get b by itself.
2b = 16
b=8
There are 8 black marbles.
Suppose 4y – 1 = 15 and y = 5x – 3.
Which of the following equations is equivalent to 4y – 1 = 15, but written only in terms of x?
Answers
The equivalent equation of 4y – 1 = 15 is 20x - 13 = 15
How to determine the equivalent equation?The equations are given as:
4y – 1 = 15 and y = 5x – 3.
Substitute y = 5x – 3. in 4y – 1 = 15
4(5x – 3) – 1 = 15
Expand
20x- 12 - 1 = 15
Evaluate the like terms
20x - 13 = 15
Hence, the equivalent equation of 4y – 1 = 15 is 20x - 13 = 15
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What is the median of the data set 50,54,62,48,49,52
Answers
Answer:
51
Step-by-step explanation:
arrange in ascending order
48,49,50,52 54,62
number of terms=6
median=(3rd term+4th term)/2=(50+52)/2=102/2=51
Answer:
51
Step-by-step explanation:
Hope it helps
Which
graph shows a dilation?
Answers
Over the past five years, an analyst records the annual returns (in percent) for a mutual fund as: 13, −2, 3, 18, and −14. Construct the 95% confidence interval for μ.
Answers
The required confidence interval for μ is (-12.07, 19.27 )
Annual returns (in percent) for a mutual fund as: 13, −2, 3, 18, and −14
95% Confidence interval
The statistic is the study of mathematics which deal with relations between comprehensive data.
Mean(x) = 13-2+3+18-14/5
x = 3.6
Standard deviation = [tex]\sqrt{\frac{\sum(x_i- x)^2}{n-1} }[/tex]
S = 12.6214
Point estimate of (μ) = 3.6
Confidence interval = mean (+,-) Tc x S/√5
= 3.6 (+,-) 2.7764 x 12.62/√5
=3.6 (+,-) 15.671
= (-12.07, 19.27)
Thus, the required confidence interval for μ is (-12.07, 19.27 ).
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These points are linear.
Find the slope.
x-3-2-1 0 1 2
y-8 0 8 16 24 32
slope = [?]
Enter
Answers
Answer:
slope = 8
Step-by-step explanation:
calculate the slope m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (- 3, - 8) and (x₂, y₂ ) = (2, 32) ← 2 ordered pairs from the table
note any pair of ordered pairs will give the slope
m = [tex]\frac{32-(-8)}{2-(-3)}[/tex] = [tex]\frac{32+8}{2+3}[/tex] = [tex]\frac{40}{5}[/tex] = 8
A baker purchased 13 lb of wheat flour and 14 lb of rye flour for a total cost of $14.85. A second purchase, at the same prices, included 15 lb of wheat flour and 12 lb of rye flour. The cost of the second purchase was $14.85. Find the cost per pound of the wheat flour and of the rye flour.
Answers
An equation is formed when two equal expressions. The cost per pound of wheat flour is $0.55 and the cost of per pound of rye flour is $0.55.
What is an equation?An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
Let the cost of a pound of wheat flour be x and the cost of a pound of rye flour be y.
A baker purchased 13 lb of wheat flour and 14 lb of rye flour for a total cost of $14.85.
13x + 14y = $14.85
x = (14.85-14y)/13
A second purchase, at the same prices, included 15 lb of wheat flour and 12 lb of rye flour.
15x + 12y = $14.85
Substitute the value of x from the above equation and solve for y,
[tex]\dfrac{15(14.85-14y)}{13} + 12y = 14.85\\\\222.75-210y+156y = 193.05\\\\y = 0.55[/tex]
Substitute the value of y in any one of the equations formed,
13x + 14(0.55) = 14.85
13x = 7.15
x = 0.55
Hence, the cost per pound of wheat flour is $0.55 and the cost of per pound of rye flour is $0.55.
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The probability all of the students in this class will be present and on time is 3/10. The probability all of the students are present is 2/5. What is the probability that everyone is on time given that everyone is present? Give your answer as a simplified fraction.
Answers
Answer:
3/4
Step-by-step explanation:
A: students present
B: students on time
P(all students present and on time) = P(A and B) = 3/10
P(all students present) = P(A) = 2/5
P(A and B) = P(A).P(B|A) where P(B|A) is the probability of everyone being on time given that everyone is present
So P(B|A) = P(A and B) /P(A) = 3/10 ÷ 2/5 = 3/10 * 5/2 = 15/20 which can be reduced to 3/4 by dividing numerator and denominator by 5
3,5,12,55,648? vwhat is the next number
Answers
Hello,
Answer:
The next number is 35 585
Step-by-step explanation:
3 × 5 - 3 = 12
5 × 12 - 5 = 55
12 × 55 -12 = 648
55 × 648 - 12 = 35 585
The next number for the given series is 35,585.
What is number series?A number series is a number-based sequence. In the number series questions, we must identify the rules that lead to the formation of a number series. These series vary in nature, as do the questions that may arise from them.
Given that the series is 3,5,12,55,648. The next number will be calculated by decoding the series as below,
3 × 5 - 3 = 12
5 × 12 - 5 = 55
12 × 55 -12 = 648
55 × 648 - 12 = 35,585
Therefore, the value of the next number for the series is 35,585.
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A can do a piece of work in 40 days. He works at it for 5 days and then B finishes it in 10 days.
In what time can A and B together finish it ?
Answers
Answer:Given
a can do a piece of work = 40 days
so, A's 1 day work =1/4
so, A's 8 day's work =8/40=1/5
remaining work = 1- 1/5= 4/5
Now, B can do 4/5 piece of work in =16 days
So, B’s 1 day's work = (4/5) /16= 4/ 5x6=1/20
Therefore, (A+B)’s 1 day's work = 1/40+1/20 =
1+2/40=3/40
∴ Both (A+B) can do a piece of work in =
1/days (3/40) = 40/3 days
= 13 1/3 days
linear pairs of angles are always adjacent true or false
Answers
The statement that linear pairs of angles are always adjacent is true.
What are Linear Pairs?
The pair of angles formed when two lines intersect each other at a point, are called Linear Pairs, the angles formed are adjacent to each other and they share a common arm.
It is asked in the question that linear pairs of angles are always adjacent and the answer is yes, it is a true statement as they have a common arm and an uncommon arm, the sum of the angles is equal to 180 degrees.
Hence, the statement that linear pairs of angles are always adjacent is true.
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Whats the correct answer answer asap for brainlist
Answers
Answer: C.) Earthquakes
Choose the number sentence that applies the commutative property to the example.
3 × 4 = 12
6 + 6 = 12
12 × 1 = 12
6 × 2 = 12
4 × 3 = 12
Answers
commutative property in multiplication is
a•b = b•a
The following stem-and-leaf plot represents the test scores for
26 students in a class on their most recent test. Use the data provided to find the quartiles.
Stem
Leaves
6 0 1 2 2 4 7 8
7 0 1 2 5 8
8 3 6 6 7 9 9
9 0 1 2 2 2 4 5 8
Key:
6|0=60
To find the second quartile, we must first divide the data in half. There are an even number of data values, so the 50th percentile, or median, is the arithmetic mean of the two values in the middle of the set. Thus, the median is the mean of the 13th data value,
83 and the 14th data value, 86
83+86/2=84.5
Therefore, the second quartile is 84.5
Step 2 of 3 : Find the first quartile.
Answers
Considering the given stem-and-leaf plot, the quartiles are given as follows:
The first quartile is of 67.5.The second quartile, which is the median, is of 84.5.The third quartile is of 91.5.What are the median and the quartiles of a data-set?The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile.The first quartile is the median of the first half of the data-set.The third quartile is the median of the second half of the data-set.There is an even number of elements(26), hence the median is the mean of the 13th and 14th elements, which are 83 and 86, hence:
Me = (83 + 86)/2 = 84.5.
The first half has 12 elements, hence the first quartile is the mean of the 6th and 7th elements, which are 67 and 68, hence:
Q1 = (67 + 68)/2 = 67.5.
The third half also has 12 elements, starting at the second 86, hence the third quartile is the mean of the 6th and 7th elements of this half, hence:
Q3 = (91 + 92)/2 = 91.5.
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The height of a triangle is 4 m less than its base. The area of the triangle is 48 m². What is the length of the base? Enter your answer in the box.
Answers
The length of the base of the triangle is 12m
Area of a triangleThe formula for calculating the area of a triangle is expressed as:
A = 0.5 * base * height
If the height of a triangle is 4 m less than its base, then;
h = b - 4
Substitute
A = 0.5(b)(b-4)
48 = 0.5b²-2b
b²-4b - 96 = 0
Factorise
b² - 12b + 8b - 96 = 0
b(b-12)+8()b-12) = 0
b - 12 = 0
b = 12
Hence the length of the base of the triangle is 12m
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Simplify (x^2)^3*5x/6x^2*15x^3
Answers
When we Simplify [(x^2)^3 × 5x] / [6x^2 × 15x^3], the result obtained is (1/18)x^2
Data obtained from the question[(x^2)^3 × 5x] / [6x^2 × 15x^3]Simplification =?How to simplify [(x^2)^3 × 5x] / [6x^2 × 15x^3][(x^2)^3 × 5x] / [6x^2 × 15x^3]
Recall
(M^a)^b = M^ab
Thus,
(x^2)^3 = x^6
[(x^2)^3 × 5x] / [6x^2 × 15x^3] = [x^6 × 5x] / [6x^2 × 15x^3]Recall
M^a × M^b = M^(a+b)
Thus,
x^6 × 5x = 5x^(6 + 1) = 5x^7
6x^2 × 15x^3] = (6×15)x^(2 + 3) = 90x^5
[x^6 × 5x] / [6x^2 × 15x^3] = 5x^7 / 90x^5Recall
M^a ÷ M^b = M^(a - b)
Thus,
5x^7 ÷ 90x^5 = (5÷90)x^(7 - 5) = (1/18)x^2
Therefore,
[(x^2)^3 × 5x] / [6x^2 × 15x^3] = (1/18)x^2Learn more about algebra:
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On March 4, Micro Sales makes $13,500 in sales on bank credit cards which charge a 3% service charge and deposits the funds into Micro Sales' bank accounts at the end of the business day.
Required:
Journalize the sales and recognition of expense. Refer to the Chart of Accounts for exact wording of account titles. Round your answers to two decimal places.
Answers
Based on the sales made by Micro Sales on bank credit cards, the journal entries would be:
Date Account Title Debit Credit
March 4 Cash $13,095
Card Service expense $ 405
Sales Revenue $13,500
How is the transaction by Micro Sales recorded?The cash account will be debited with:
= 13,500 x (1 - 3%)
= $13,095
The Card service expense is:
= 13,500 x 3%
= $405
Sales revenue will be credited by the amount of sales which is $13,500.
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A box contains 162 marbles which are either red or blue. There are 42 more blue marbles than red marbles. How many blue marbles are in the box? Blue marbles=
Answers
The number of the blue marbles are in the box will be 102.
What is the solution of the equation?The solution of the equation means the value of the unknown or variable.
A box contains 162 marbles which are either red (r) or blue (b).
r + b = 162 ...1
There are 42 more blue marbles than red marbles.
b = r + 42 ...2
Then from equation 1 and 2, we have
r + r + 42 = 162
2r = 120
r = 60
Then the number of blue marble will be
b = 60 + 42
b = 102
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The boxed definition of absolute value states that |a|=-a if a is a negative number. Explain why |a| is always nonnegative, even though |a|=-a for negative values of a.
Answers
Final answer:
Since absolute values determine the distance between the number and the value whether the value is positive or negative. As distance is always positive.
Thus, |a| is always nonnegative, even though |a|=-a for negative values of a.
Step-by-step explanation:
Step 1
It is said that |a| is always nonnegative even though even though |a|=-a for negative values of a.
Step 2
This is because by the definition of an absolute value, any real number inside an absolute value symbol || will always be positive.
Which benchmark fraction is
Please help I’m stuck
Answers
Hello,
Step-by-step explanation:
6/7 ≈ 0,857
we have 4/4 = 1 and 3/4 = 0,75
| 0,75 - 0,857| = 0,107
| 1 - 0,857 | = 0,143
→ Answer is 3/4
Answer:
the bench mark is 1/4 and the lower range is 3/4.
Step-by-step explanation:
Estimate the fraction 6/7 using 1/4 as our benchmark: Display the fraction bar for 6/7 The lower range is 3/4 and the upper range is 1
Choose the best selection for the
quadrilateral with vertices at the
following points:
(1,0), (1,4), (6,0), (6,4)
Hint: Start by graphing the points.
Distance Formula: d= √(x2-x1)² + (y2 − ₁)²
A. Rectangle
C. Rhombus
B. Square
D. Trapezoid
Answers
Answer: a rectangle
Step-by-step explanation:
If you graph the points out you will see that it is four points high and six points wide
Answer:
It is A.Rectangle. from the given points.
Step-by-step explanation:
the graph is given in the image.
I hope it to be helpful ^=^
Ulises lives 11 miles from school. Convert the distance to feet
Answers
Answer:
58080
Step-by-step explanation:
You just have to multiply it by 5280. So, 11*5280 is 58080. The answer is 58080.
What is a possible value for the missing term of the geometric sequence? 25,_,874,…
Answers
Answer:
The middle term is 5√874======================
Given sequence25, x, 874, ...To findThe missing term xSolutionSince the given is the GP, find the common ratio in terms of given values:
r = x/25r = 874/xEquate the two values and solve for x to find the missing term:
x/ 25 = 874/xx² = 874*25x² = 21850x = √21850x = 5√874Two cars leave town at the same time one travels West at 56 miles per hour and the other travel south at 42 miles per hour after 1 hour how far apart are the cars
Answers
distance = speed * time. So, you want
√(56^2 + 42^2)
or, if you recognize this as just a 3-4-5 right triangle scaled up by 14, the 14*5 = 70
Margaret makes bracelets and sells them to tourists. the function s(t) approximates how many bracelets margaret makes per hour. the function w(h) represents how hours per week margaret spends making bracelets. what are the units of measurement for the composite function s(w(h))?
Answers
The units for the composite function s(w(h)) is bracelets over a week when the function s(t) approximates how many bangles Margaret makes per hour and the function w(h) represents how many hours per week Margaret spends making the bracelets.
To define the unit of the composite function s(w(h)), we first need to find the units of the functions s(t) and w(h).
The function s(t) represents the number of bangles per hour, so its unit will be bangles over an hour.
The function w(h) represents the hours per week spent on making the bracelets, so its unit will be hours over a week.
Now, we can define the unit of the composite function s(w(h)).
To find the unit of the composite function we follow these steps:-
s(w(h)),
= s(hours over a week) {replacing the function w(h) by its units},
= (bangles over an hour(hours over a week)) {replacing the function s(t) with its units},
= bangles over a week {Simplifying}.
Thus, the units for the composite function s(w(h)) is bracelets over a week when the function s(t) approximates how many bangles Margaret makes per hour and the function w(h) represents how many hours per week Margaret spends making the bracelets.
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