To eliminate factors not discussed, the answer would be 3/7 shed each, assuming everyone builds at the same rate and effort.
What is unitary method?The unitary method is a technique that involves determining the value of a single unit and then calculating the value of the requisite number of units based on that value. The unitary method's formula is to get the value of a single unit and then multiply that value by the number of units to achieve the required value. The term unitary refers to a single or unique entity. As a result, the goal of this approach is to determine values in reference to a single unit. For example, if a car travels 44 kilometers on two litres of gasoline, we may use the unitary technique to calculate how far it will go on one litre of gasoline.
Here,
3 sheds built by 7 workers,
let x = amount of shed each built
7x = 3
x = 3/7
Assuming everyone built at equal speeds and effort, to remove variables not addressed, the answer would be 3/7 shed each.
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Please help!!
In the diagram, ΔMTD ≅ ΔGLS . Which statement is true?
∠M ≅ ∠G
DT ≅ LG
DM ≅ SL
∠T ≅ ∠S
Answer:
∠M ≅ ∠G
Step-by-step explanation:
Given:
ΔMTD ≅ ΔGLSThis means that triangle MTD is congruent to triangle GLS.
Two triangles are said to be congruent if:
all three corresponding sides are equal.all three corresponding angles are equal.Therefore:
∠M ≅ ∠G∠T ≅ ∠L∠D ≅ ∠SSimilarly:
TM ≅ LGDT ≅ SLDM ≅ SGTherefore, the true statement is ∠M ≅ ∠G.
determine whether the geometric series is convergent or divergent. 8 + 7 + 49 8 + 343 64 +
The given geometric series [tex]$\quad 8+7+\frac{49}{8}+\frac{343}{64}+\cdots$[/tex] is convergent in nature.
[tex]$\quad 8+7+\frac{49}{8}+\frac{343}{64}+\cdots$[/tex]
Since it is geometric series. (As it is given in the question)
A series is considered to be convergent if the partial sums gravitate to a certain value, also known as a limit. In contrast, a divergent series is one whose partial sums do not reach a limit. Divergent series typically go to ∞, go to −∞, or don't approach one specific number.
Here the value of a=8, while the value of the common ratio [tex](r)=\frac{a_2}{a_1}=\frac{7}{8}=\frac{7}{8}[/tex]
since [tex]$|r|=\frac{7}{8} < 1$[/tex]
So the given series is convergent.
The sum of geometric series with infinite terms is equal to [tex]$\frac{a}{1-r}$$$[/tex]
Sum[tex]=\frac{8}{1-\frac{7}{8}}=\frac{8}{\frac{1}{8}}=64[/tex]
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Marg Cardo Started to depet P1000 Quarterly in A Fund that pay 5% compounded Quarterly. How much will be Hi Fund affec 7 year
-What Will be the Future
The right response is C. Only X-values inside the original data's range give meaning to the prediction values.
A statistical model that depicts the relationship between two variables is a regression line. It is utilized to forecast the value of a dependent variable depending on the value of an independent variable (independent variable).
The degree to which the regression line matches the data determines how accurate these forecasts are. For values of the independent variable that are similar to the values used to fit the model, the regression line will typically offer the most precise predictions. Prediction values therefore typically only have significance for X-values that fall within or very near the range of the original data set.
The predictions might not be correct if you use the regression line to construct them for independent variable values that are far outside the original data range. This is because, outside of the range of the data that was used to construct the model, the model may not effectively represent the connection between the two variables.
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Solve this equation please .T-6= 13 for t
Answer:
[tex] \sf \: t = 19[/tex]
Step-by-step explanation:
Given equation,
→ t - 6 = 13
Now the value of t will be,
→ t - 6 = 13
→ t = 13 + 6
→ [ t = 19 ]
Hence, the value of t is 19.
the following set of ordered pairs defines a function. complete the following {(-26,10), (-30,10),(15,10),(10,10),(-9,10)} add one additional ordered pair to this set such that the set of the ordered pairs still define a function
Answer:
(0,10)
Step-by-step explanation:
You could put any ordered pair, as long as the y value is 10.
The equation of this function is
y = 10 It is a horizontal line going through. The y intercept is (0,10)
Lines q, r, s, and t are distinct lines in the same plane. Decide if lines q and t are parallel, perpendicular, or if there is not enough information given.
The lines q and t are, perpendicular to each other.
How to find if two lines are perpendicular to each other?If two lines are perpendicular to each other, then their slopes are negative reciprocal of each other. That means, if one line's slope is 'a', then its perpendicular line's slope would be -1/a
Noted that Parallel lines have the same slope, the slope is like a measure of steepness and since parallel lines are of the same steepness, thus, are of the same slope.
Given that Lines q, r, s, and t are distinct lines in the same plane.
IF the lines are;
q is perpendicular to r,
r is perpendicular to s
s is perpendicular to t
Then we can conclude that q is perpendicular to t
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alex is x years old. june is 7 years older than alex. in 5 years, their total combined age will be 31 years. write a linear equation for their total combined age in 5 years
The linear equation for their total combined age in 5 years is 2x + 17 = 31.
Describe the term linear equation?A linear equation is indeed an algebraic expression of the form y=mx+b, where the slope is m and b is the y-intercept, and only a constant and the first-order (linear) term are included.Let the age of Alex be x years old.
Let the age of June be 'y'.
June is exactly 7 years older than Alex.
y = x+7
In next 5 years, combined total age will be of 31 years.
(x+5) + (y+5) = 31
Now, the linear equation that models total combined age in 5 years
Replace y with (x+7)
x + 5 + (x+7) + 5 = 31
2x + 17 = 31
Thus, linear equation for their total combined age in 5 years is 2x + 17 = 31.
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Based on the graph below, what are the new dilation vertices of triangle JKLM with vertices J(-6,2), K(-4,4), L(0,0) M(-2,-2): K= 5/2
The new dilation vertices of the rectangle are J'(-15, 5), K'(-10, 10) L'(0, 0) and M'(-5, -5).
What is the Dilation of the rectangle?
Dilation occurs when a polygon grows or shrinks while maintaining its overall shape. It's similar to zooming in or out on a camera. The polygon in the figure above is a rectangle JKLM. As you move the slider on the right, the transformed rectangle J'K'L'M' grows and shrinks but retains its shape.
We have,
Rectangle JKLM with vertices:
J(-6,2), K(-4,4), L(0,0) M(-2,-2): K= 5/2
New dilation vertices of the rectangle are:
J'(-15, 5), K'(-10, 10) L'(0, 0) and M'(-5, -5)
Hence, the new dilation vertices of the rectangle are J'(-15, 5), K'(-10, 10) L'(0, 0), and M'(-5, -5).
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Commutative Property
8y-0.2y+0.5y+2.2+1.3-0.4
Step 1
Step 2
Step 3
Step 4
(8-0.2+0.5)+(2.2 +1.3-0.4)
(8y-0.2y+0.5y)+(2.2+1.3-0.4)
8y+2.2-0.2y+1.3+0.59-0.4
DRAG AND DROP
AN ITEM HERE
DRAG AND DROP
ANTTEM HERE
DRAG AND DROP
AN ITEMSHERIE
8.3y + 3.1
Associative Property Distributive Property
Reason
DRAG AND DROP
AN ITEM HERE
DRAG AND DROP
AN ITEM HERE
DRAG AND DROP
ANATEM HERE
Final Expression
Explanation
Reordering
Grouping
Factoring
Simplifying
The given Commutative Property is 8y - 0.2y + 0.5y + 2.2 + 1.3 - 0.4 by solving this property we get the answer as (8.3y + 3.1).
What is a commutative property?The commutative property states that the numbers on which we operate can be moved or swapped from their position without making any difference to the answer.
What is associative property?According to the associative property of addition, the sum of three or more numbers remains the same regardless of how the numbers are grouped. According to the question,
Steps involved are:-
ReorderingGroupingFactorizingSimplifyingSo,
8y - 0.2y + 0.5y + 2.2 + 1.3 - 0.4
= (8 - 0.2 + 0.5) y + (2.2 + 1.3 - 0.4)
= (8 + 0.5 - 0.2) y + (2.2 + 1.3 - 0.4)
= (8.5 - 0.2) y + (3.5 - 0.4)
= (8.3) y + 3.1
= (8.3y + 3.1)
Thus , by following all the steps and properties we get the obtained result.
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Help pls 50 ptssssssssssssss
Area of a square:
A = s², where s - side lengthWe have s = 6⁴, then the area is:
A = (6⁴)² cm²Or, apply the power of the power rule (xᵃ)ᵇ=xᵃᵇ to get:
A = 6⁸ cm²In the ale the original price are reduced by 15%
a. Calculate the ale price of a book that ha an original price of $12
b. Calculate the original price of a jacket that ha a ale price of $38. 25
Answer:b
Step-by-step explanation:
What symbols do I need for 5 23 18 8 4 to equal 10?
Arithmetic operations can be used to solve this question by using the topic of order of operations. We need to use × and - operators to get the correct answer.
How do we solve inequalities using Arithmetic operations?Many straightforward inequalities can be resolved by adding, taking away, multiplying, or dividing both sides until the variable is all that remains. However, these factors will shift the direction of inequality: Using a negative number to multiply or divide both sides. switching the left and right sides. When resolving an inequality, you can do one of the following:
• Add the same amount to each side;
• Subtract the same amount from each side;
• Multiply or divide each side by the same positive amount. You must flip the inequality sign if you multiply or divide each side by a negative number.
Calculation:5 x (23-18) x (8-4)=100
So we can subtract 23 from 18 where we will get 5 and by subtracting 4 from 8 you will get 4. By multiplying the numbers using × operator you will get the final answer.
Arithmetic operations can be used to solve this question by using the topic of order of operations. We need to use × and - operators to get the correct answer.
Arithmetic operations can be used to solve this question by using the topic of order of operations. We need to use × and - operators to get the correct answer.
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A statistician wants to determine the relationship between typing speed, in words per minute, and the time, in minutes, it takes to type one page of a specific book. Twenty-five trials are completed and the correlation coefficient between typing speed and time is determined to be -0.622. Therefore, slower typing speed was related to greater time. How is the correlation affected if the units for time are changed from minutes to seconds?
Select one:
a. The correlation and time measurement would change proportionally to one another.
b. The correlation would stay the same because the change in units for time would have no effect on it.
c. The correlation would increase because changing the units for time would result in an increase in time values.
d. It is impossible to determine the amount of change experienced by the correlation.
e. The correlation would decrease because only the units for one of the variables changed.
Answer:
B
Step-by-step explanation:
The correlation coefficient is a measure of the strength and direction of the linear relationship between two variables. It is calculated using a formula that takes into account the values of the two variables and their relationship to each other. This formula is not affected by changes in the units of measurement of either variable. Therefore, changing the units of time from minutes to seconds in this scenario would not affect the value of the correlation coefficient, so it would remain the same.
Option A, "The correlation and time measurement would change proportionally to one another," is incorrect because the correlation coefficient is not affected by changes in the units of measurement of either variable.
Option C, "The correlation would increase because changing the units for time would result in an increase in time values," is also incorrect because the correlation coefficient is not affected by changes in the actual values of the variables, only by the strength and direction of the relationship between them.
Option D, "It is impossible to determine the amount of change experienced by the correlation," is incorrect because, as explained above, the correlation coefficient is not affected by changes in the units of measurement of either variable.
Option E, "The correlation would decrease because only the units for one of the variables changed," is also incorrect because, as explained above, the correlation coefficient is not affected by changes in the units of measurement of either variable.
assume you wanted to save$2000 to buy a used car 18 months from now.How much money do you need to save every week to accomplish your goal
Answer: $28 per week
Step-by-step explanation:
1 month = 4 weeks
18 times 4 = 72 weeks
So you know you want to save 2000 to buy a car 72 weeks from now.
So take 2000 divided by 72 = $27.77 per week
So you need to save about $28 per week.
taken in 1992 15% of the oublic have responded to a tleepheone calll in poll in a random gorup of five people what is the probability that exactly two have resoinded to a call in poll
The probability that exactly two people out of a group of five have responded to a telephone poll is approximately 26%.
The probability that exactly two people out of a group of five have responded to a telephone poll can be calculated using the binomial distribution. The probability of a single person responding to a call in a poll is 15%, and the probability of a single person not responding to a call in a poll is 85%.
The probability of two people out of a group of five responding to a call in a poll can be calculated using the formula for the binomial probability mass function:
[tex]P(X=2) = (5 choose 2) * (0.15)^2 * (0.85)^3[/tex]
where (5 choose 2) is the binomial coefficient, which represents the number of ways to choose 2 people out of a group of 5.
Plugging in the values, we get:
[tex]P(X=2) = (10) * (0.15)^2 * (0.85)^3 = 0.2574[/tex]
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14. Jackie borrows $1,500 at 5.75% compound
interest for five years. If she makes monthly
payments, how much is her loan amount after
five years? Round answer to the nearest dollar.
[A] $1,536
[D] $1,725
[B] $2,073
[E] $1,998
[C] $2,050
16 Robert
To find the loan amount after five years, we need to calculate the compound interest on the loan. The compound interest is calculated by multiplying the principal (the initial amount borrowed) by the compound interest rate, raised to the power of the number of compounding periods. In this case, the compound interest rate is 5.75%/12 = 0.475% per month, and there are 12*5 = 60 compounding periods (12 months per year for 5 years).
The compound interest is therefore calculated as follows:
Compound interest = $1,500 * (1 + 0.475%)^60 - $1,500
= $1,725 - $1,500
= $225
So the loan amount after five years is $1,725. Therefore, the correct answer is [D] $1,725.
please help were learning about solving logarithmic equations
2^x + 2^-x = 2
Answer: 0 = 2
Step-by-step explanation:
First you need to multiply the numbers:
2x + 2(-x) = 2
2x - 2x = 2
Combine the like terms:
2x-2x = 2
So, 0 = 2
Identify the missing parts in the proof.
Given:
DB bisects ABC.
Prove: m
A:
B:
C:
D:
Answer:
Step-by-step explanation:c because I’m in college and Ik trust me
Is the line perpendicular?
The situation is based on football. One player starts a couple of yards in the endzone while the other starts at the 8-9 yard line. The player in the endzone almost scores when he is tracked down by the guy on the 8-9 yard line. So does the starting position of these players form a perpendicular line?
Yes, the starting position of these players form a perpendicular line.
What is Trigonometry?The area of mathematics that deals with particular angles' functions and how to use those functions in calculations. There are six popular trigonometric functions for an angle. Sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant are their respective names and acronyms (csc).
Given:
Using Trigonometry
sin [tex]\theta[/tex] = 33.33/100
sin [tex]\theta[/tex] = 0.3333
[tex]\theta[/tex] = [tex]sin^{-1}[/tex] (0.3333)
[tex]\theta[/tex] = 19.469
cos 19.469 = B/ 100
0.9428 = B/ 100
B= 94.28
tan [tex]\theta[/tex] = P/B
tan [tex]\theta[/tex] = 94.28/ 33.33
[tex]\theta[/tex] = 70.5
Using Angle Sum property
< 3= 180 - (70.5 + 19.5)
<3 = 180 - 90
<3 = 90
Hence, they form perpendicular line.
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x~n(145, 13). find the z-score corresponding to an observation of 150.
The z-score for that condition is 0.38. To be exact, the z-score is 0.38461538461.
How to find the z-score?First we have to extract mean and standard deviation from x~n(145, 13) where mean (μ) = 145 and standard deviation(б) = 13. As per given corresponding to an observation(x) is directly given = 150 we can start to find the z-score with formula z-score = (x - μ) : б. So
z = (x - μ) : б.
z = [tex]\frac{150-145}{13}[/tex]
z = [tex]\frac{5}{13}[/tex]
z = 0.38461538461
Normally z written in 2 to 4 digit after decimal, so z-score = 0.38
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4. Javier bought a microwave for $105. The cost
was 30% off the original price. What was the
price of the microwave before the sale?
The price of the microwave before sales is 350 dollars.
How to find the price of the microwave?Javier bought a microwave for $105. The cost was 30% off the original price. Therefore, the price of the microwave before sales can be calculated as follows:
let
x = price before sales(original price)
Therefore,
105 = 30% of x
105 = 30 / 100 × x
105 = 30x / 100
cross multiply
10500 = 30x
divide both sides by 30
10500 / 30 = 30x / 30
x = 350 dollars
Therefore, the original price is 350 dollars.
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Help! will mark brainlies!
Answer: x = 9
Step-by-step explanation:
Let's start with what we know. We know that the sum of all angles is 180 so:
13x + 2 + 3x - 4+ 5x - 7 = 180
21x - 9 = 180
21x = 189
Divide by 21 on both sides:
x = 9
write the expression using exponents. a⋅a⋅c⋅c =
The expression when expressed in its exponent is a²+c²
how to express a number in exponent form?In mathematics, we should understand that exponent tell the power to which a number is raise.
It shows the number of times a number multiplies itself to get the certain member.
The given expression is a*a*c*.
Using the law of multiplication that says when two or more numbers in the same base are multiplied, we add their powers.
Here a appeared twice a*a=a²
And c appeared twice that is c*c=c²
Combining the two exponents together we have that
a²+c²
In conclusion, the exponent of a*a*a*a is a²+c²
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In the figure below, ⎯⎯⎯⎯⎯⎯⎯⎯,⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯,
B
L
¯
,
A
M
¯
,
and ⎯⎯⎯⎯⎯⎯⎯⎯⎯
C
K
¯
are medians of △
△
A
B
C
. Which of the following statements is true.
Answer:
all of them are true except the last one ( no. e)
what would the slope of a line parrallel to 2x-y=-1 be?
Answer:
2
Step-by-step explanation:
2x - y = -1
-y = -2x - 1
y = 2x + 1
parallel line = same slope
Help, please!!!!! Major point for this assignment
Step-by-step explanation:
45° is an alternate angle with 5y+10. All alternate angles are equal. opposite sides of a parallelogram are equal, we equate to find x.
source: A tutor on another math app. (Brainly doesn't recognize the name)
A rubber ball is dropped from an initial height of 40 feet. The ball consistently rebounds to 80% of its previous height
Answer:
The ball travels (exactly) 75 feet.
Step-by-step explanation:
Assuming the balls comes to rest:
S = a1 / (1 - r)
Now a1 is the first bounce, 20 ft (10 feet up, 10 feet down.
r is 2/3
S = 20 (1 / (1 - 2/3)
S = 20 / (1/3)
S = 60
Yet that is only the bounce. The drop of 15 feet must be added.
Three balls (labeled A, B, C) are placed into two different boxes (1 and 2), as in (Figure 1) . (Box 1 has 10 balls and Box two has 5) if all arrangements are equally likely, what is the probability that all three will be in box 1?
The probability that all three will be in box 1 will be [tex]\frac{1}{8}[/tex] or 0.125.
As per the given data the three balls which are labeled as A, B, C are placed into two different boxes of box 1 and box 2.
Box 1 has 10 balls and box two has 5, if all the arrangements are equally likely we have to determine the probability that all the three will be in box 1.
Formula for finding the probability:
Probability = The total number of outcomes ÷ The favorable number of outcomes.
The total number of outcomes:
= [tex]$${ }^3 C_3+{ }^3 C_2+{ }^3 C_1+{ }^3 C_0$$[/tex]
= 1+3+3+1
=8
The favorable number of outcomes:
= [tex]{ }^3 C_3[/tex]
=1
The probability that all the three will be in box 1:
= [tex]\frac{1}{8}[/tex]
= 0.125
Therefore the probability is [tex]\frac{1}{8}[/tex] or 0.125.
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What is the simplest form of this expression? (X - 4) (x^2 +3x -5)
The simplest expression is x³ - x² - 17x + 20.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
(x - 4) (x² + 3x - 5)
x³ + 3x² - 5x - 4x² - 12x + 20
x³ - x² - 17x + 20
Thus,
The final expression is
x³ - x² - 17x + 20
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A toy hop purchae 125 identical tuffed animal for total cot of 312. 50 and ell them for $7 each. What i the percent markup?
When they buy 125 identical stuffed animals for $312.50 and sell them for $7 a piece, the percent markup is 64.2%.
What is percentage?A percentage is a figure or ratio that may be stated as a fraction of 100 in mathematics. If we need to compute the percentage of a number, divide it by the entire and multiply by 100. As a result, the percentage denotes a part per hundred. The term % refers to one hundred percent. The sign "%" represents it. To compute a percentage, divide the value by the entire amount and multiply the result by 100. (value/total value)100% is the formula for calculating percentage.
Here,
Total cost=$312.50
Total sell price=7*125
=$875
Markup Price=(875-312.5)/875*100
=0.642*100
=64.2%
The percent markup is 64.2% when they purchase 125 identical stuffed animal for total cost of 312. 50 and sell them for $7 each.
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