Answers
Answer:
The answer is 36
Step-by-step explanation:
First, suppose that each square is the unit length, and from it the length of the hall can be calculated and we find that it is equal to 10, then to find the value of the other two we drop a column of the vertex of the triangle on the base and find that its length is 12 units and it divides the base into two equal halves, so we determine that each side equals 13 units using Pythagoras and it will be The lengths of the sides of the triangle are 10, 13, 13
Then the perimeter is
\(10 + 13 + 13 = 36\)
Related Questions
43.7826087 rounded to the nearest tenth
Answers
Answer:
43.8
When you round look at the number after the one your rounding up to. If its greater than 5 round up. If its lower than 5 keep it the same number
List the sides of FGH in order from least to greatest if the measure of angle F=15x-7, the measure of angle G=6x-15 and the measure of angle H=4x+2
Answers
If 0 < x < 5, the sides of triangle FGH are FG, GH, and FH in descending order.
The measure of each angle of a triangle is related to the length of its opposite side by the law of sines. We can use this law to write:
FH/sin(H) = FG/sin(F) = GH/sin(G)
We wish to arrange the sides in descending order, which implies we must compare their ratios to the sines of their respective angles. Because sin(F) decreases for 0 x 180/15 = 12, we know that FG will be the smaller side if sin(F) is the denominator in the FG/sin(F) calculation.
Similarly, GH will be the smallest side, while FH would be the largest. We need 0 < x < 5 to ensure that the angles are acute (and hence sin(F), sin(G), and sin(H) are positive). As a result, the sides of triangle FGH are, from least to biggest, FG, GH, and FH if 0 x 5.
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ANSWER ASAP For a ride on a rental scooter, Kevin paid an eight dollar fee to start the scooter +6 cents per minute of the ride. The total bill for Kevin’s ride was $14.36 for how many minutes did Kevin ride the scooter.
Answers
Answer:
106 seconds
Step-by-step explanation:
14.36-8=$6.36 $6.36=636 cents so 636/6=106 so 106 seconds
A sample of a radioactive element has a mass of 80 g. How much daughter materials are in the sample after two half-lives?
Answers
Answer:
60g
Step-by-step explanation:
A sample of radioactive element has a mass that weighs 80g
The amount of life spent is two half-lives
This means that after two half lives, the number of daughter materials that would be available in the sample is 60g
Hence 60g of daughter cells would be available after two half lives
How do you solve this equation ? 25 − 3 x = 40
Answers
Answer:
x = -5
Step-by-step explanation:
25 - 3x = 40
3x = -15
x = - 5
Answer:
x = -5
Step-by-step explanation:
25 − 3x = 40
-3x = 15
x = -5
What is the image of ( 12 , − 4 ) (12,−4) after a dilation by a scale factor of 1 4 4 1 centered at the origin?
Answers
What is the image of ( 12 , − 4 ) after a dilation by a scale factor of 1/4 centered at the origin is (3, -1)
What is transformation?Transformation is the movement of a point in the coordinate plane. Types of transformation are rotation, reflection, translation and dilation.
Dilation is the increase or decrease of a figure by a scale factor k. If the value of k > 1, then it is an enlargement but if k < 1, it is a reduction.
The point (12, -4) is dilated by a scale factor of 1/4 using the rule (x, y) ⇒ (x/4, y/4). The new point is (4, -1)
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Can someone tell me what x= to and y=?
Answers
Answer:
x = 112
y = 76
Step-by-step explanation:
x + 68 = 180
x = 180 - 68
x = 112
y = 76 (Because of alternate interior angles)
the population of bacteria in an experiment has been increasing by 50% each day. If there were 100 bacteria at the beginning of the experiment, predict the number of bacteria in 4 days
Answers
Answer:
506
Step-by-step explanation:
The count is multiplying by 1.5 each day, so after 4 days, it will have multiplied by 1.5^4 = 5.0625
Then the count is predicted to be ...
100·5.0625 ≈ 506.25
The count will be 506 after 4 days.
Answer:
100=(1+0.50)^4 = 506
Step-by-step explanation:
Tell me the y-intercept of the line: 2x - 3y = 9
Answers
Answer:
y-intercept: (0,-3)
Step-by-step explanation:
Y-intercepts mean that the x-value has to be equal to 0. When plugging in 0 for the x-value, we receive:\(2(0)-3y=9\\0-3y=9\\-3y=9\\y=\frac{9}{-3} \\y=-3\)Therefore, the point is (0,-3).Answer:
y-intercept (0,−3)
Step-by-step explanation:
A bag has 4 red marbles, 5 blue marbles, and 6 green marbles. What is the probability if choosing a red marble from the bag, not putting it back, and then choosing a green marble?
Answers
Answer: 4/35
Step-by-step explanation:
Number of red marbles = 4
Number of blue marbles = 5
Number of green marbles = 6
Total number of marbles = 4+5+6 = 15
When a red marble is picked, the probability is 4/15, then to pick a green marble after that, we have 14 marbles left and probability of picking green is 6/14.
Now, probability of choosing a red marble from the bag, not putting it back, and then choosing a green marble will be:
= 4/15 × 6/14
= 24/210
= 4/35
Please help and answer the question properly.
Answers
Answer:
x = 15.65 and y = 5√2
Step-by-step explanation:
To get x and y we will use the Pythagoras theorem as shown
hyp^2 = adj^2 + opp^2
x^2 = 14^2+7^2
x^2 = 196 + 49
x^2 = 245
x = √245
x = 15.65
Similarly for y;
y2 = 5^2 + 5^2
y^2 = 25 + 25
y^2 = 50
y = √2*25
y = 5√2
Hence x = 15.65 and y = 5√2
x=7√5 unit and y=5√2 unit is your answer
By selling a stool for $240 a carpenter loses 20%. How much per cent would he gain or lose by selling it for $360?
Answers
Answer:
Answer. Step-by-step explanation: By selling it at 360 he would lose 13% because the amount of money lost with 240$ is 48$ (You can find that out by doing 240 x 0.2). If he loses 48$ again when selling it at 360$ he would make 312 dollars.
plz mark brainlist i beg
Answer:
he would gain 20 percent
Step-by-step explanation:
HELP PLEASE, SUPER URGENT!!!!!!!!!!!
Which of the following are NON statistical questions?
A. How many people in
your family are over
16 years old?
B. How many years until
you are 16 years old?
C. What is the average
age
of the people in
your family?
D. What are the ages
of the students and
teachers in your school?
E. What are the ages
of the parents of the
students in your class?
F. What is the age
of your favorite
television star?
Answers
Answer:
Hans
Step-by-step explanation:
Jansj
Measure the length of a pencil in inches.
Answers
a standard wooden pencil typically measures around 7 inches to 7.5 inches in length.
The average length of a pencil can vary depending on factors such as the type of pencil, region, and manufacturer. However, a standard wooden pencil typically measures around 7 inches to 7.5 inches in length. This range encompasses the most common lengths found in the market.
It's important to note that there may be slight variations in length between different pencil brands and styles. Additionally, specialty or novelty pencils may have different lengths based on their design or intended purpose.
To obtain a more accurate average length for a specific set of pencils or a particular region, you would need to measure a representative sample of pencils and calculate the average length based on the measurements obtained.
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A 2-gallon bucket of paint costs $58.24. What is the price per cup?
Hehe pleaseee .
Answers
Answer:
$1.82 per cup
Step-by-step explanation:
REMEMBER:16cups per gallon
2 x 16 = 32
58.24 divided by 32 = 1.82
Devi’s mother is three times as old as Devi. Five years ago, Devi’s mother was four times as old as Devi was then. Find their present ages
Answers
Answer:
Devi's present age = 15 years
Devi's Mother's present age = 45 years
Step-by-step explanation:
Let the present age of Devi be x years.
Therefore, mother's present age = 3x
Five years ago:
Devi's age = (x - 5) years
Mother's age =( 3x - 5) years
According to the given condition:
Five years ago:
Devi's mother's age = 4 times Devi's age
3x - 5 = 4( x - 5)
3x - 5 = 4x - 20
20 - 5 = 4x - 3x
15 = x
x = 15 years
3x = 3* 15 = 45 years
Hence,
Devi's present age = 15 years
Devi's Mother's present age = 45 years
The graph of this system of equations is which of the following?
2x + y = 6
6x + 3y = 18
Overlapping lines
Parallel lines
Intersecting lines
A curve intersecting with a line
Answers
Answer:
They are the same line. It means that they are overlapping line.
Answer:
Overlapping
Step-by-step explanation:
Divide every term of the second equation, it would be 2x + y = 6, which is the same as the first equation.
b) 5(2x - 4)
Expand the following
Answers
Answer:
10x-20
Step-by-step explanation:
(5×2x)-(5×4)
10x-20
Make x the subject of m= n + x/p
Answers
Answer:
\(x\) = m - n x p
Step-by-step explanation:
m - n = \(x\)/p
\(x\) = m - n x p
Answer:
x = pm - pn
Step-by-step explanation:
Make x the subject:To make 'x' as the subject, isolate 'x'.
\(\sf n + \dfrac{x}{p}=m\\\\\text{Subtract 'n' from both sides,}\\\\\dfrac{x}{p}=m-n\\\\\text{Multiply both sides by p,}\\\\p*\dfrac{x}{p}=p*(m-n)\\\\\)
x = pm - pn
2. Rico wants to buy a battery-operated toy car which costs P587. 50. He
already saved P150. 0. His ninong gave him P200. 0. If he saves
P12. 50 a day from his allowance, how long will it take him to save the
rest of the money to buy the toy car?
Answers
It will take Rico 19 days to save the rest of money needed to buy the toy car, assuming he continues to save P12.50 each day from his allowance.
To find out how long it will take Rico to save the rest of the money needed to buy the toy car, we can subtract the amount he already saved and the amount his ninong gave him from the total cost of the toy car.
Total cost of the toy car: P587.50
Amount Rico already saved: P150.00
Amount his ninong gave him: P200.00
To find out how much more Rico needs to save, we subtract the amount he already saved amount and the amount his ninong gave him from the total cost of the toy car:
P587.50 - P150.00 - P200.00 = P237.50
Rico still needs to save P237.50 to buy the toy car.
Now let's calculate how long it will take him to save the remaining amount. Rico saves P12.50 each day from his allowance. To find out how many days it will take him to save P237.50, we divide the remaining amount by his daily savings:
P237.50 ÷ P12.50 = 19
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A piecewise function f (x) is defined by Part A: Graph the piecewise function f (x) and determine the range. (5 points)Part B: Determine the asymptotes of f (x). Show all necessary calculations. (5 points)Part C: Describe the end behavior of f (x). (5 points)
Answers
Answer
• a) Range: (-∞, –1)
• b) Horizontal asymptote when x ≤ 2: y = –3. Vertical asymptote when x > 2: x= 2. Horizontal asymptote when x > 2: y = –1.
,• c) When x decreases, it approaches –3, and when x increases, it approaches –1.
Explanation
• Part A: Graph the piecewise function f (x) and determine the range.
Using a graphing tool we can get the following graph:
As the range is all the y-values included in the function, we can see that in this case, the range is:
\((-\infty,-1)\)• Part B: Determine the asymptotes of f (x). Show all necessary calculations.
We have to get the asymptotes from the part where x ≤ 2 and x > 2.
In x ≤ 2 we do not have a vertical asymptote as it is not a rational function, but we do have a horizontal asymptote, which is y = k when we have the function:
\(y=a(b)^{x-h}+k\)Thus, in our case y = –3.
In x > 2, we do have a vertical and horizontal asymptote. We can get the vertical asymptote by setting the denominator of the function to 0:
\(x^2-5x+6=0\)If we solve the expression by factoring we get two solutions:
\((x-2)(x-3)=0\)\(\begin{gathered} x_1-2=0 \\ x_1=2 \end{gathered}\)\(\begin{gathered} x_2-3=0 \\ x_2=3 \end{gathered}\)Based on our function we can see that the vertical asymptote is x = 2 when x > 2. Then, the horizontal asymptote can be calculated with the limit:
\(\lim_{x\to\infty}(\frac{-x^2+2x+3}{x^2-5x+6})=-1\)Thus, our horizontal asymptote is y = –1 when x > 2.
• Part C: Describe the end behavior of f (x).
The end behavior of a function is how the function acts when x increases or decreases. Based on our graph we can see that when x decreases, it approaches –3, and when x increases, it approaches –1.
Determine the intercepts of the line. What is the Y- Intersept and X- Intersept?
2x+5y=−6
Answers
Answer:
y=−65−2x5 x=−3−5y2
Step-by-step explanation:
hope i helped <3 :)
help pls 1/3(3m+6)-2(2m+6)
1/3(3m+6)-2(3m+6)
Answers
Answer:
-5m - 10
Step-by-step explanation:
1/3(3m+6)-2(3m+6)
= 1m + 2 - 6m - 12
= -5m - 10
So, the answer is -5m - 10
Answer:
-5(m+2)
Step-by-step explanation:
1/3(3m+6)-2(3m+6)
combine like terms
-5/3(3m+6)
Distribute
-5m - 10
common factor
-5(m+2)
Paul has 100 stocks of Geetex Ltd. He had bought them in the primary market. The face value of these stocks was $10. These stocks show a high potential and now have a market value of $60. Geetex Ltd.’s earning per share is $2.50. What is the PE ratio? A. 24 B. 22 C. 4 D. 20 E. 60
Answers
Answer: 24
Step-by-step explanation:
The price to earnings ratio (PE ratio) is used to know if the price of stock of a particular company is either overvalued or undervalued.
The price to earnings ratio is calculated as:
= Price per share/Earnings per share
where Price per share = $60
Earnings per share = $2.50
PE Ratio = $60/$2.50
= 24
Therefore, the PE ratio is 24.
How does the author illustrate how computer programs have changed the job of an architect? The author shows that computer programs are more fun to use than pencil. The author shows that computer programs let you save your work faster. The author shows that computer programs speed up the process of getting building permits. The author shows that computer programs make it much faster to make changes to blueprints.
Answers
The author shows that computer programs make it faster to make changes to blur prints.
A computer program is a set of instructions written in a programming language that a computer is supposed to obey.
Computer programs are one of the intangible components of software, which also includes documentation and other components.The version of a computer program that humans can read is called the source code. Source code must be run by another program because computers can only execute their native machine instructions. Consequently, source code can be transformed into machine instructions using the language's compiler. (Programs written in machine language are translated using an assembler.) The produced file's name is an executable. The language's interpreter may also be used as a backup.Hence it is clear that the author shows that computer programs make it much faster to make changes to blue prints.
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To study the effect of temperature on yield in a chemical process, five batches were produced at each of three temperature levels. The results follow.
Construct an analysis of variance table. Use a 0.05 level of significance to test whether the temperature level has an effect on the mean yield process.
Temperature
50 degrees C 60 degrees C 70 degrees C
34 30 23
24 31 28
36 34 28
39 23 30 32 27 31
Answers
We fail to reject the null hypothesis that the temperature level has no effect on the mean yield process.
Summary of Result:
Source | SS | df | MS | F | p-value
Treatment | 118.2 | 2 | 59.1 | 2.94 | 0.095
Error | 241.0 | 12 | 20.1 | |
Total | 359.2 | 14 | | |
To construct an analysis of variance (ANOVA) table and test whether the temperature level has an effect on the mean yield process, we need to perform the following steps:
Step 1: Calculate the total sum of squares (SST), the treatment sum of squares (SSTR), and the error sum of squares (SSE).
SST = ΣΣ(yij - ȳ)^2 = 359.2
where yij is the yield of the ith batch at the jth temperature level and ȳ is the overall mean yield.
SSTR = Σ(nj(ȳj - ȳ)^2) = 118.2
where nj is the number of batches produced at the jth temperature level, ȳj is the mean yield at the jth temperature level, and ȳ is the overall mean yield.
SSE = SST - SSTR = 241.0
Step 2: Calculate the degrees of freedom (df) for SST, SSTR, and SSE.
df(Total) = N - 1 = 14
where N is the total number of observations.
df(Treatment) = k - 1 = 2
where k is the number of treatment levels.
df(Error) = df(Total) - df(Treatment) = 12
Step 3: Calculate the mean square (MS) for SSTR and SSE.
MS(Treatment) = SSTR / df(Treatment) = 59.1
MS(Error) = SSE / df(Error) = 20.1
Step 4: Calculate the F-statistic.
F = MS(Treatment) / MS(Error) = 2.94
Step 5: Determine the critical value of F for a 0.05 level of significance with df(Treatment) = 2 and df(Error) = 12.
From a table of F-distributions, the critical value of F is 3.89.
Step 6: Compare the F-statistic to the critical value of F and make a decision.
Since 2.94 < 3.89, we fail to reject the null hypothesis that the temperature level has no effect on the mean yield process. In other words, we do not have sufficient evidence to conclude that there is a difference in mean yield among the three temperature levels.
Step 7: Summarize the results in an ANOVA table.
Source | SS | df | MS | F | p-value
Treatment | 118.2 | 2 | 59.1 | 2.94 | 0.095
Error | 241.0 | 12 | 20.1 | |
Total | 359.2 | 14 | | |
Note: The p-value is calculated as P(F > 2.94) = 0.095, which is greater than the significance level of 0.05. Therefore, we do not reject the null hypothesis.
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if your height is 5 feet 3 inches and your weight is 120 pounds, what is your bmi? round the answer to the nearest whole number.
Answers
If your height is 5 feet 3 inches and your weight is 120 pounds, then the BMI is 21.23
To calculate your Body Mass Index (BMI), use the following formula:
BMI = weight in kilograms / (height in meters)²
First, convert your height to meters :
5 feet 3 inches = 63 inches
63 inches = 160.02 cm
160.02 cm = 1.6002 meters
Next, convert your weight to kilograms :
120 pounds = 54.43 kg
Now, plug in these values to calculate your BMI:
BMI = 54.43 kg / (1.6002 meters)²
Divide the terms
BMI = 21.23
Therefore, your BMI is approximately 21.23
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A confidence interval is constructed to estimate the value of O a statistic or parameter O a statistic. O a parameter
Answers
A confidence interval is constructed to estimate the value of a parameter.
In statistics, a parameter refers to a numerical characteristic of a population, such as the population mean or population proportion. When we want to estimate the value of a parameter, we construct a confidence interval.
A confidence interval provides a range of values within which we believe the true parameter value is likely to fall, based on our sample data. It is constructed using sample statistics and takes into account the variability and uncertainty in the estimation process.
A confidence interval is constructed to estimate the value of a parameter, not a statistic.
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what percentage of $898.01billion is spent on $161.4billion
Answers
The percentage of $898.01 billion that is spent on $161.4 billion is equal to 17.97%.
What is a percentage?In Mathematics, a percentage simply refers to any number that is expressed as a fraction of hundred (100). This ultimately implies that, a percentage indicates the hundredth parts of any given number.
In order to determine the percentage, we would use the following mathematical expression:
Percentage = 161.4/898.01 × 100
Percentage = 0.1797 × 100
Percentage = 17.97%
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What is the slant height of a square pyramid that has a surface area of 336 square meters and a side length of 12
meters?
Answers
Check the picture below.
the surface area of the pyramid is simply the area of the four triangular faces plus the squarish base, and the triangular faces have a base of 12 and an altitude or height of "s", and we know that's 336.
\(336~~ = ~~\stackrel{\textit{\LARGE Areas}}{\stackrel{square}{(12)(12)}~~ + ~~\stackrel{\textit{four triangles}}{4\left[ \cfrac{1}{2}(\underset{b}{12})(\underset{h}{s}) \right]}}\implies 336~~ = ~~144~~ + ~~24s \\\\\\ 192=24s\implies \cfrac{192}{24}=s\implies 8~m=s\)
