We are asked to find how many inches of molding would be needed to frame the given figure.
First, we need to find the length (l) in the figure.
\(\begin{gathered} 8\frac{1}{4}+l+1\frac{1}{2}=12\frac{1}{2} \\ l=12\frac{1}{2}-8\frac{1}{4}-1\frac{1}{2} \\ l=2\frac{3}{4} \end{gathered}\)So, the length of l is 2 3/4 in.
Now, we need to find the sum of all sides of the figure.
\(\begin{gathered} perimeter=12\frac{1}{2}+4\frac{3}{8}+1\frac{1}{2}+2\frac{3}{4}+8\frac{1}{4}+4\frac{3}{8} \\ perimeter=33\frac{3}{4}\;in. \end{gathered}\)Therefore, 33 3/4 inches of molding would be needed to frame the figure.
Option A is the correct answer.
Summary
Give an example of a proportional relationship and write an equation that represents the relationship.
The proportional relationship is represented by the formula, y = kx, which demonstrates that y increases at the same rate as x does
Relationships between two variables that are proportional occur when their ratios are equal.
Another way to consider them is that in a proportionate relationship, one variable is consistently equal to the other's constant value. The "constant of proportionality" is the name of this constant.The ratio of the constant values of two proportional quantities is known as the proportionality constant.When either the ratio or product of two changing values results in a constant, that pair of values is said to be in proportion.The Direct Variation and Inverse Variation types of proportions between the two provided values determine the value of the proportionality constant.The direct proportionality formula, y = kx, demonstrates that y increases at the same rate as x does. The cost per item (y), which is inversely proportional to the number of things purchased (x), is represented by the symbol y x.By using the indirect proportionality formula, y = k/x, it can be seen that when y rises, x falls, and vice versa.Therefore the proportional relationship is represented by the formula,
y = kx .
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How would the following triangle be classified?
A triangle has three unequal sides. One of the angles formed is 90 degrees; the other two angles are less than 90 degrees.
Answer:
Scalene. A scalene triangle has three different angles and none of its sides are equal in length
f has a range of (-infinaty, 7),
and a graph that is symmetric
about the line x = 3, and has a
Y-intercept of 4
Answer:
\(f(x)=-|x-3|+7\)
Step-by-step explanation:
The parent function of an absolute function is the modulus function:
\(f(x)=|x|\)
Graph of Modulus function:
(see 2nd attachment)
\(f(x)=|x|=\begin{cases} \textsf{\:\:\:$x$, \quad if $x\geq 0$}\\\textsf{$-x$, \quad if $ x < 0$} \end{cases}\)
Its vertex is at the origin (0, 0).
Its line of symmetry is x = 0.
It opens upwards.
Given information:
Range: (-∞, 7)Axis of symmetry: x = 3y-intercept: (0, 4)The axis of symmetry is the x-value of the vertex of an absolute function.
The y-value of the range is the y-value of the vertex of an absolute function.
Therefore, the vertex of the absolute function f(x) is (3, 7).
Graphing
Plot the vertex at (3, 7) and the y-intercept at (0, 4).As the function f(x) has a range of (-∞, 7), it opens downwards. Draw a straight line through the y-intercept that terminates at the vertex.Draw a line that is symmetrical to this line.To find the equation of the absolute function, work out the series of transformations that take the parent function to the given function.
As the function f(x) has a range of (-∞, 7), it opens downwards. Therefore, the parent function has been reflected in the x-axis:
\(\implies -f(x)=-|x|\)
As the function f(x) is symmetric about the line x=3, the parent function has been translated 3 units to the right:
\(\implies -f(x-3)=-|x-3|\)
Finally, as the highest y-value of the function is y = 7, the y-value of its vertex is y = 7. Therefore, the parent function has been translated 7 units up:
\(\implies -f(x-3)+7=-|x-3|+7\)
Therefore, the equation of the absolute function with the given parameters is:
\(f(x)=-|x-3|+7\)
What is the 15% of 20
Answer:
Step-by-step explanation:
15% of 20 is 3
Can someone help me solve this question?
Answer:
44
Step-by-step explanation:
We are given:
ab/c = 2 ---------------(1)
bc/a = 4 ---------------(2)
ac/b = 6 ---------------(3)
Multiplying (1) and (2):
ab*bc / ac = 8
b² = 8
Multiplying (2) and (3):
bc*ac/ab = 24
c² = 24
Multiplying (1) and (3):
ac*ab/bc = 12
a² = 12
Now, finding the value of a² + b² + c²:
8 + 24 + 12 = 44 (replacing the values of a² , b² and c²)
Hence, a² + b² + c² = 44
Suppose that the function g is defined, for all real numbers, as follows. Find g(-5) ,g (-2), and g(-1)
If the function g(x) is defined for all real-numbers, then the value of g(-5) is 7/2, g(-2) is -1 and g(-1) is 0.
A piecewise function is a function that is defined by different rules or formulas on different parts of its domain. The piecewise function "g(x)" is given as :
g(x) = {-(1/2)x + 1, for x<-2
= {-(x+1)², for -2≤x≤1
= {4 for x>1
We have to find the value of g(-5) ,g (-2), and g(-1),
For x = -5, the number -5 is less than -2, so the first function "-(1/2)x + 1" will be used,
⇒ g(-5) = -(1/2)(-5) + 1 = 5/2 + 1 = 7/2,
For x = -2, the number -2 lies in the interval "-2≤x≤1", so second function
"-(x+1)²" will be used,
⇒ g(-2) = -(x+1)² = -(-2+1)² = -(-1)² = -1,
For x = -1, the number -1 lies inn the interval "-2≤x≤1", so second function "-(x+1)²" will be used,
⇒ g(-1) = -(x+1)² = -(-1+1)² = -(0)² = 0,
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7. The Taylor Rule states that the central bank should set the short-term nominal interest rate (i)
based on the inflation gap [the difference between inflation (3.14) and desired inflation (3.14*)] and the
output gap (the percentage difference between real GDP (Y) and potential GDP (Y*) An
example of a Taylor Rule would be the formula
i - 3.14 = 1.5 +0.5(3.14-3.14*) +0.5 (Y-Y*/Y*)
The term on the left-hand side is the real interest rate. Consider the following table
Inflation rate (3.14), %
Target inflation rate (3.14*), %
Output gap, %
Real interest rate
Nominal interest rate
Base Scenario Scenario B Scenario C
4.0
20
2.0
20
0.0
20
20
20
00
a. Fill in the real and nominal interest rates chosen by the policy maker in the base scenano
b. How does scenario B differ from the base scenario in terms of the inflation and output gaps?
Calculate the real interest rate. Has the real interest rate moved in the direction that would
move the inflation rate toward its target?
c. How does scenario C differ from the base scenario in terms of the inflation and output gaps?
Calculate the real interest rate. Has the real interest rate moved in the direction that would
move output toward the potential level?
d. Suppose a new chair of the central bank is appointed and she switches to a new policy rule of
the form given in the next equation. Recalculate the real and nominal interest rates for the
three scenarios. What has been the effect of the change in weights?
i-3.14=1.5 +0.75(3.14-3.14*) +0.25(Y-Y*/Y*)
The weight on the inflation gap has increased from 0.5 to 0.75. The real interest rate is 16.86% and Nominal interest rate is 20%
a. In the base scenario, the real interest rate will be 20%, and the nominal interest rate will be 20%.
b. In scenario B, inflation rate will be higher (4%) compared to the base scenario (3.14%).
Output gap is 0% in both the scenarios, however, in the base scenario inflation gap is 0% (3.14 - 3.14) and in scenario B, inflation gap is 0.86% (4 - 3.14).
Now, let's calculate the real interest rate.
Real interest rate in base scenario = 20% - 3.14%
= 16.86%.
Real interest rate in scenario B = 20% - 3.14% + 1.5 + 0.5 (4-3.14) + 0.5 (0-0/0)
= 19.22%.
The real interest rate has moved in the direction to move inflation rate towards its target.
c. In scenario C, the output gap will be 20% compared to 0% in the base scenario.
Inflation gap is 0% in both the scenarios
Inflation rate is 3.14% and in scenario C, inflation rate is 2%.
Let's calculate the real interest rate. Real interest rate in the base scenario = 20% - 3.14%
= 16.86%.
Real interest rate in scenario C = 20% - 2% + 1.5 + 0.5 (3.14 - 3.14) + 0.5 (20-0/20)
= 20.15%.
Real interest rate in scenario C = 20% - 2% + 1.5 + 0.75 (3.14-3.14) + 0.25 (20-0/20) = 18.78%.
The new policy rule has changed the weight of the output gap in the Taylor Rule from 0.5 to 0.25.
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A group of people were asked how many people live in their household. How many said they have 3 or more in their household?
Answer:
11
Step-by-step explanation:
we know this because there are 5 people saying they have 3 and 6 people saying they have between 4-7
A local movie theater has a movie lovers club. After paying a membership fee,
all ticket purchases are discounted. The cost after buying 5 movie tickets is $48.75. The
cost after buying 7 movie tickets is $58.25. Write an equation in slope-intercept form to
represent the data. Describe what the slope and intercept mean. Use the equation to
find the total cost after buying 12 tickets.
Answer: 57 dollars, hope this helps!
The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 385 grams and a standard deviation of 8 grams find the weight that corresponds to each event(use excel or appendix c to calculate the z value round your final answers to 2 decimal places
The weight that corresponds to the highest 5% is also approximately 398.12 grams.
What is Z-Score?
A score's connection to the mean within a group of scores is statistically measured by a Z-Score.
To find the weight that corresponds to each event, we need to use the standard normal distribution and convert each value to a z-score using the formula:
z = (x - μ) / σ
Here are the calculations for each event:
The weight that corresponds to the 25th percentile:
-0.68 = (x - 385) / 8
Solving for x gives:
x = 379.44 grams (rounded to two decimal places)
Therefore, the weight that corresponds to the 25th percentile is approximately 379.44 grams.
The weight that corresponds to the 95th percentile. we find that the z-score is approximately 1.64 (rounded to two decimal places). Then we can use the formula above to solve for x:
1.64 = (x - 385) / 8
x = 398.12 grams (rounded to two decimal places)
Therefore, the weight that corresponds to the 95th percentile is approximately 398.12 grams.
The weight that corresponds to the highest 5%:
1.64 = (x - 385) / 8
x = 398.12 grams (rounded to two decimal places)
Therefore, the weight that corresponds to the highest 5% is also approximately 398.12 grams.
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The Robotics Manufacturing Company operates an equipment repair business where emergency jobs arrive randomly at the rate of three jobs per 8-hour day. The company's repair facility is a single-server system operated by a repair technician. The service time varies, with a mean repair time of 2 hours and a standard deviation of 1.5 hours. The company's cost of the repair operation is $28 per hour. In the economic analysis of the waiting line system, Robotics uses $35 per hour cost for customers waiting during the repair process. What are the arrival rate and service rate in jobs per hour
Answer:
The correct answer is:
\(\lambda=0.375 \ jobs \ per \ hour\)\(\mu=0.5 \ jobs \ per \ hour\)Step-by-step explanation:
The given values are:
Service time varies,
Repair time = 2 hours
Standard deviation = 1.5 hours
Robotics uses per hour cost,
= $35
Company's cost per hour,
= $28
(a)
⇒ Arrival rate = Jobs per hours
then,
= \(\frac{8 \ hours}{3 \ jobs}\)
= \(2.666 \ hours \ per \ job\)
The jobs per hour will be:
⇒ \(\lambda=\frac{1}{2.666}\)
\(=0.375\)
(b)
⇒ Service rate = jobs per hour
then,
μ = \(\frac{1 \ repair \ job}{2 \ hours}\)
= \(0.5 \ jobs\)
please assist with these questions thanks
1a. The percentage total return is -19.56%
1b. The dividend yield is 2.42%.
1c. The capital gains yield is -21.98%.
2a. The arithmetic average annual return on large-company stocks in nominal terms is 14.5%.
2b. The arithmetic average annual return on large-company stocks in real terms is 9.67%.
3a. The real return on long-term government bonds is 3.195%
3b. The real return on long-term corporate bonds is 3.291%
How to calculate the percentage total return?In Financial accounting, the percentage total return (P) can be calculated by using this formula;
P = [(Ending price - Initial price) + Dividend] ÷ Initial price
P = [(71 - 91) + 2.20] ÷ 91
P = -0.1956 or -19.56%
1b. For the dividend yield, we have:
Dividend yield = Dividend ÷ Initial price
Dividend yield = 2.20 ÷ 91
Dividend yield = 0.0242 or 2.42%
1c. For capital gains yield, we have:
Capital gains yield = (Ending price - Initial price) ÷ Initial price
Capital gains yield = (71 - 91) ÷ 91
Capital gains yield = -0.2198 or -21.98%.
Part 2.
a. The arithmetic average of annual return on large-company stocks in nominal terms is equal to 14.5%.
b. For arithmetic average annual return in real terms, we have:
(1 + 0.145) = (1 + r)(1 + 0.044)
r = (1.145/1.044) - 1
r = 9.67%
Part 3.
a. For real return on the long-term government bonds, we would apply Fisher equation:
(1 + i) = (1 + r)(1 + h)
Where:
i is the nominal interest rate.r is the real interest rate.h is the inflation rate.(1 + 0.066) = (1 + r)(1 + 0.033)
1 + r = 1.066/1.033
r = 3.195%
b. For real return on long-term corporate bonds:
(1 + 0.067) = (1 + r)(1 + 0.033)
1 + r = 1.067/1.033
r = 3.291%
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Write an equation in pointslope form for the line that pouze rough each point with the given stopeCONSTRUCTION A construction company charges S15 per hour for debris removal, plus a one time fee for theof a frash dumpster. The total fue for hours of service is stosa Write the point slope form of an equation to find the total fee y for any number of hoursb. Write the equation in slope intercept formthe fire for the use of a trash dumpster?
$15 per hour
For 9 hours the total cost is $195
Total Cost = One time fee + $15 per hour times the number of hours
If y is the total cost and x is the number of hours, we can write:
y = One time fee + 15x
They say that when x = 9, y = 195:
195 = One time fee + 15(9) = one time fee + 135
One time fee = 195 - 135 = 60
One time fee = 60
So the equation would be:
y = 60 + 15x
Th standard form of a line in point and slope is y = mx + b
In this case: y = 15x + 60
Answer:
y = 15x + 60
70 is what percent of 40?
Answer:
175%
Step-by-step explanation:
70 = p * 40
p = 1.75 or 175%
Answer:
Step-by-step explanation:
175%
Find the unknown value in each proportion.
5/4 = ?/16
Answer:
20/16
Step-by-step explanation:
4 divided by 16 is 4. so that would mean 4 x 4 = 16, just apply that to 5 and you get 20 because 5x4 is 20.
Answer:
20/16
Step-by-step explanation:
BRAINLIEST would be great.
someone pls help me! ❤️❤️❤️
Answer:
(x-1) ( x -i) (x+i)
Step-by-step explanation:
x^3 -2x^2 +x-2
Factor by grouping
x^3 -2x^2 +x-2
x^2(x-2) +1(x-2)
Factor out (x-2)
(x-2) (x^2+1)
Rewriting
(x-1) ( x^2 - (-1)^2)
(x-1) ( x -i) (x+i)
Answer:
Should be b
Step-by-step explanation:
Since it's a multiple choice question you know that -2 or 2 has to be a root for the cubic.
You can test both -2 and 2 and see that replacing x for 2 has the expression evaluate to 0.
Then, since you know the imaginary roots have to be conjugates, you get B.
Help help ASAP please
Answer:
255.408
Step-by-step explanation:
Kerrie is tiling the floor of a kitchen. The kitchen floor measures 11.3 feet by 9.25 feet. She orders enough tile for 99 square feet. Which statement about the amount of tiles is correct.
sorry dont have time to type the answers but if you got this question and know the answer just tell me!
Answer:
AAAAAAAAAA
Step-by-step explanation:
Find the area of a triangle whose vertices have coordinates (- 4, 3) (2, 5) , and (- 7, - 1) .
What percent of 2 is 32? If necessary, round your answer to the nearest tenth.
Answer:
Below
Step-by-step explanation:
32/2 x 100% = 1600 %
(3.5 x 10^5) : (7x10^8)
What is the answer to this question?
: is divide
Answer:
5 • 10^-4 I evaluate this by using scientific notation.
The value of the ratio (3.5 x 10⁵) : (7x10⁸) is 0.0005.
What are expressions?An expression is a sentence with at least two numbers or variables having mathematical operation. Maths operations can be addition, subtraction, multiplication, division.
For example, 2x+3
To solve (3.5 x 10⁵) : (7x10⁸), we can simplify the expression by dividing the numerical coefficients and dividing the exponents separately.
Dividing the numerical coefficients 3.5 and 7, we get:
3.5 ÷ 7 = 0.5
Dividing the exponents 5 and 8, we get:
10⁵ ÷ 10⁸ = 10⁵⁻⁸
= 10⁻³
Therefore, the simplified expression is:
0.5 x 10⁻³
We can further simplify this expression by converting 10⁻³ to a decimal:
10⁻³ = 1/1000 = 0.001
So, the final answer is:
(3.5 x 10⁵) : (7x10⁸) = 0.5 x 10⁻³
= 0.5 x 0.001
= 0.0005
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Michael bought 4 types of fruit to make a fruit salad. He paid $3.00 per pound of apples, $2.00 per pound for bananas, $2.50 per pound for grapes, and $3.50 per pound for blackberries.
He bought the same number of pounds of each fruit. Let the number of pounds be represented by the variable x.
Michael figured out the total amount of money that he spent on fruit can be shown using the expression 3x+2x+2.50x+3.50x
Which expression shows how Michael’s expression can be written in an equivalent single term?
A. (2+2.50)(3+3.50)x
B. (2+3+2.50+3.50)x
C. (2) (3) (2.50) (3.50)x
D. (2) (3)x+(2.50) (3.50)x
Answer:
C
Step-by-step explanation:
you can add like terms so C is the correct answer
Answer:
hi how are you doing today Jasmine
missing angle of 28 and 21 trigonometry
Letss try using Pythagoras Theorem with
\(a+b+c=180\\21+28+c=180\\c=180-21-28\\c=131\)
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What are the vertical asymptote(s) of y= (x-6)/(x+8) (x-7)
Answer:
x = -8 and x= 7
Step-by-step explanation:
recall that for a rational expression, the vertical asymptotes occur at x-values that causes the expression to become undefined. These occur when the denominator becomes zero.
Hence the asymptototes will occur in x-locations where the denominator , i.e
(x+8)(x-7) = 0
solving this, we get
(x+8) = 0 ----> x = -8
or
(x-7) = 0 ------> x = 7
hence the asymptotes occur x = -8 and x= 7
Answer:
x = -8 and x = 7.
Step-by-step explanation:
The vertical asymptotes are lines that the function will never touch.
Since no number can be divided by 0, the function will not touch points where the denominator of the function is equal to 0.
\(\frac{x - 6}{(x + 8)(x - 7)}\), so the vertical asymptotes will be where (x + 8) = 0 and (x - 7) = 0.
x + 8 = 0
x = -8
x - 7 = 0
x = 7
The vertical asymptotes are at x = -8 and x = 7.
Hope this helps!
PLS HELP ME !!!!!!!!!!!!!!!!
Answer:
C
Step-by-step explanation:
All sides make a cube
Answer:
D
Step-by-step explanation:
experimento aleatorio con orden,remplazo y sin repeticion
A randomized experiment with order, replacement, and no repetition is one in which the order of the outcomes matters, the same outcome can occur multiple times, and no outcome can occur more than once.
How to explain the information.For example, drawing a card from a deck and then flipping a coin would be a random experiment with order, replacement, and no repetition. The order of the results is important because the outcome of the coin toss will depend on the outcome of the card draw.
The same result can occur multiple times because the same card can be drawn twice, and no result can occur more than once because the coin can only land heads or tails once.
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Random experiment with order, replacement and without repetition
solve for "r"
m=3x/pir2h
The solution of the expression for r is given by:
\(r = \sqrt{\frac{3x}{2m\pi}}\)
How do we solve the expression for r?To solve the expression for r, we must isolate r, as a function of the other variables.
The expression is modeled by:
\(m = \frac{3x}{\pi r^2h}\)
Then, isolating r:
\(mr^2 = \frac{3x}{2\pi}\)
\(r^2 = \frac{3x}{2m\pi}\)
\(r = \sqrt{\frac{3x}{2m\pi}}\)
Thus, the solution of the expression for r is given by:
\(r = \sqrt{\frac{3x}{2m\pi}}\)
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okok so this isnt a question but as i was scrolling through brainly and suddenly the lights went off and everybody was in the living room, the door was closed and it wasnt a electricity problem somrwiefnau help im nervous i don know what to do
Probability - I am struggling to find which sections/numbers to use in order to solve this section of the question. I will give brainliest to anyone who can help figure it out
Answer:
Step-by-step explanation:
Looking for P(B|A)
conditional probability formula: A|B= (A∩B)/B
so B|A= (B∩A)/A
B∩A= 19+27= 46
A= 50+19+27+45= 141
46/141= .3262
Step-by-step explanation:
NO. OF STUDENTS THAT HAVE COMPLETED BOTH SMOOTH&RYTHM=19+27=46
TOTAL NO. OF STUDENTS IN SMOOTH AND RYTHM =141
Therefore,
Probability=46/141
=0.326
If a ball is thrown in the air with an initial
height of 4 feet, and if the ball remains in
the air for 3.8 seconds, then accurate to
the nearest foot, how high did it go?
Remember, the acceleration due to
gravity on Earth is -32 ft/sec².
[?] feet
The requried ball reached a maximum height of approximately 62 feet
Let the ball is thrown vertically upward, we can use the following formula to find the maximum height it reaches:
\(h(t) = -16t^2 + vt + h_0\)
here, h(t) is the height of the ball at time t, v is the initial velocity of the ball (in feet per second), and h0 is the initial height of the ball (in feet). We can also use the fact that the ball remains in the air for 3.8 seconds, which means that the time it takes to reach the maximum height is half of that or 1.9 seconds.
At the highest point, the ball's velocity is zero, so we can find the initial velocity by setting v = 0 in the above formula and solving for h₀:
h₀ = h(t) + 16t²
= 4 + 16(1.9)²
≈ 4 + 57.76
≈ 61.76
Therefore, the ball reached a maximum height of approximately 62 feet
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