The length of the bathroom is (2x² + 13x + 15) / (2x + 3) when the area is 2x² + 13x + 15 and the width of the room is 2x+3
To find the length of the bathroom, we need to divide the area of the floor by the width of the room.
Given:
Area of the floor = 2x² + 13x + 15
Width of the room = 2x + 3
To find the length, we divide the area by the width:
Length = Area of the floor / Width of the room
Length = (2x² + 13x + 15) / (2x + 3)
The length of the bathroom remains as (2x² + 13x + 15) / (2x + 3).
To learn more on Area click:
https://brainly.com/question/20693059
#SPJ1
How many solutions do these two have seperately
1. x = 5
2. x = y
Possible answers: no solution, infinite solutions, one solution
Pls help
Answer:
sorry if im wrong but i believe its no solution, once again i may be wrong
Step-by-step explanation:
eh
Help please ASAP thank you!!
And no links please no linksss!!
Given:
The dimensions of the square photo are 12'' × 12''.
The frame is 2 inches wider than the photo in both length and width.
To find:
The perimeter of the frame.
Solution:
We have,
Length of the photo = 12 inches
Width of the photo = 12 inches
The frame is 2 inches wider than the photo in both length and width. So,
Length of the frame = 12+2 inches
= 14 inches
Width of the frame = 12 inches
= 14 inches
The perimeter of a square is:
\(P=4a\)
Where, a is the side length.
Now, the perimeter of the square frame with side 14 inches is:
\(P=4(14)\)
\(P=56\)
Therefore, the perimeter of the square frame is 56 inches, Hence, option A is correct.
Write an explicit formula for an,
the nth term of the sequence 3, 8, 13, .
An explicit formula for aₙ, the nth term of the arithmetic sequence is aₙ = 3 + 5(n - 1)..
How to write an explicit formula for the arithmetic sequence?Mathematically, the nth term of an arithmetic sequence can be calculated by using this mathematical expression:
aₙ = a₁ + (n - 1)d
Where:
d represents the common difference.a₁ represents the first term of an arithmetic sequence.n represents the total number of terms.From the information provided, we have the following parameters:
First term, a₁ = 3
Second term, a₂ = 8
Next, we would determine the common difference as follows:
Common difference, d = a₂ - a₁
Common difference, d = 8 - 3
Common difference, d = 5
Substituting the parameters into the mathematical expression, we have;
aₙ = 3 + (n - 1)(5)
aₙ = 3 + 5(n - 1).
Read more on arithmetic sequence here: brainly.com/question/24989563
#SPJ1
Please help, I will give you brainliest answer!
Answer:
2 rocks
Step-by-step explanation:
2 crates + 2 rocks = 1 crate + 4 rocks
2 crates + 2 rocks = 2 crates + 8 rocks
Hence, 1 crate = (8-4)÷2
= 2 rocks
Marie heated water in a beaker. When she began, the water had a temperature of 40 degrees, and she heated it at a rate of 2.5 degrees per minute. Kathy heated water in a different beaker. When she began, the water had a temperature of 50 degrees, and she heated it at a rate of 1.5 degrees per minute. Which equation could be used to determine how many minutes passed before the water temperature in both beakers was the same?
Answer:
2.5x + 40 = 1.5x + 50
Step-by-step explanation:
To find how many minutes passed before the water temperature in both beakers are the same, you need to set both of the expressions that show how hot the water in each beaker is to be equal to each other
What coefficient of d makes the
expressions equivalent?
–1/3}(2.7d + 1.8) =(?-0.6)
Answer:
The coefficient of d that will make equation equal is -0.9
Step-by-step explanation:
Given
Left hand side equation = {–1/3}(2.7d + 1.8)
Simplifying LHS we get -
-0.9 d -0.6
Hence, the coefficient of d that will make equation equal is -0.9
please help:
What is an equation in slope-intercept form for the line given?
The equation of the line passing through points (-1, 2) and (1, -1) is y = -1.5x + 0.5
How to solve an equationAn equation is an expression that shows the relationship between two or more numbers and variables.
The standard form of a linear equation is:
y = mx + b
Where m is the slope of the line and b is the y intercept
The line given passes through the point (-1, 2) and (1, -1). The equation is:
y - 2 = [(-1-2)/(1 - (-1)](x - (-1)]
y - 2 = -(3/2)(x + 1)
y = -(3/2)x - (3/2)
y = -1.5x + 0.5
The equation of the line is y = -1.5x + 0.5
Find out more on equation at: https://brainly.com/question/2972832
#SPJ1
Ramona is climbing a hill with a 10 incline and wants to know the height of the rock formation. She walks 100 ft up the hill and uses a clinometer to measure the angle of elevation to the top of the formation. What is the height h of the rock formation?
Answer:
40.4026226 aka 40.403
Step-by-step explanation:
tan 22 degrees = h/100
6. If mLABE = 2n +7 and mZEBF = 4n-13, find mZABE.
Answer: 18°
Step-by-step explanation:
The question doesn’t state where F is in relation to A, B or E, so we have to guess. Here are two guesses.
If ABF is a straight line then ∠ABE+∠EBF=180, so 2n+7+4n-13=180, 6n-6=180.
Divide each side by 6: n-1=30 so n=31 and m∠ABE=2n+7=2×31+7=62+7=69°.
If BF bisects ∠ABE, then ∠ABE=2×∠EBF, so 2n+7=2(4n-13)=8n-26. So 6n=33 and, dividing both sides by 3: 2n=11. Therefore m∠ABE=2n+7=11+7=18°.
Use 3.14 for to find The radius of a circle is 1 yard. What is the circle's area?
Answer:
9.42.
Step-by-step explanation:
If you have 3.14 × 3 You would put it over as an equation.
3.14
× 3
----------
9.42 is final answer.
What is first big change that American drivers made due to higher gas prices? According to an Access America survey,
30% said that it was cutting recreational driving. However, 27% said that it was consolidating or reducing errands. If
these figures are true for all American drivers, and if 15 such drivers are randomly sampled and asked what is the first
big change they made due to higher gas price,
Therefore, based on the percentages and the sample size of 15 drivers, we estimate that 4 drivers cut recreational driving and 4 drivers consolidated or reduced errands as their first big change due to higher gas prices.
If the figures of 30% cutting recreational driving and 27% consolidating or reducing errands are true for all American drivers, and 15 drivers are randomly sampled and asked about the first big change they made due to higher gas prices, we can use these percentages to estimate the number of drivers who made each change.
Out of the 15 sampled drivers:
30% would correspond to 0.30 * 15 = 4.5 drivers who cut recreational driving.
27% would correspond to 0.27 * 15 = 4.05 drivers who consolidated or reduced errands.
Since we cannot have fractions of drivers, we need to round these numbers. In this case, we have:
4 drivers who cut recreational driving (rounding down from 4.5).
4 drivers who consolidated or reduced errands (rounding down from 4.05).
To know more about sample size,
https://brainly.com/question/15682344
#SPJ11
Maria is installing gutters on her rectangular shed that measures 10 ft by 9 ft she has 23 ft of gutter already and need to purchase more to complete of gutter all the way around the shed the store sells gutters in length of 5 feet how many lenths of gutter does she need to buy to finish the shed
Answer:
Maria needs 3 lengths of gutter of finish the shed.
Step-by-step explanation:
We need to calculate the perimeter of the rectangular shed to know how much 5 feet gutter is needed.
The perimeter of the shed is p = 2(l + b) where l = 10ft and b = 9 ft
p = 2(10 + 9) = 2(19) = 38 ft
Now, the perimeter of the shed also equal 23 ft of gutter already installed plus 5x ft gutter where x = number of gutters.
So 23 + 5x = 38
collecting like terms, we have
5x = 38 - 23
5x = 15
dividing through by 5 we have
5x/5 = 15/5
x = 15/5
x = 3
So, Maria needs 3 lengths of gutter of finish the shed.
Determine the maximum gradient/slope of the function f(x,y) = 3x² +3y at the point (x,y)=(2, 2). Also indicate the direction in which the maximum slope occurs as a unit vector State your answers exactly Note that you need to use the square brackets "[" and "]" typed from the keyboard to enclose vector responses.
maximum gradient = direction =
The magnitude of the gradient vector is calculated as |∇f(2, 2)| = √(12² + 3²) = √(144 + 9) = √153.
To determine the maximum gradient/slope of the function f(x, y) = 3x² + 3y at the point (x, y) = (2, 2), we need to find the gradient vector and then calculate its magnitude.
The gradient vector ∇f(x, y) of a function f(x, y) is given by ∇f(x, y) = [∂f/∂x, ∂f/∂y], where ∂f/∂x and ∂f/∂y represent the partial derivatives of f with respect to x and y, respectively.
Taking the partial derivatives, we have:
∂f/∂x = 6x
∂f/∂y = 3
Substituting x = 2 and y = 2, we get:
∂f/∂x = 6(2) = 12
∂f/∂y = 3
Therefore, the gradient vector at (2, 2) is ∇f(2, 2) = [12, 3].
The magnitude of the gradient vector is calculated as |∇f(2, 2)| = √(12² + 3²) = √(144 + 9) = √153.
So, maximum gradient/slope of the function f(x, y) = 3x² + 3y at (x, y) = (2, 2) is √153, and the direction in which the maximum slope occurs is the unit vector in the direction of ∇f(2, 2), which is obtained by normalizing the gradient vector:
direction = ∇f(2, 2)/|∇f(2, 2)| = [12/√153, 3/√153].
to learn more about slope click here:brainly.com/question/3605446
#SPJ11
Identify the percent of change as an increase or a decrease. Then find the percent of change. Round to the nearest tenth of a percent, if necessary: 120 pounds to 180 pounds
Answer:
50%
Step-by-step explanation:
We need to find the percent change from 120 pounds to 180 pounds. We can find it as follows :
\(\%=\dfrac{180-120}{120}\times 100\\\\=\dfrac{60}{120}\times 100\\\\=50\%\)
So, the percent change is equal to 50%.
Giselle bought a dress for $35 and three t-shirts. She used a coupon for $2. 50 off each t-shirt. The total cost can be modeled by the expression 35 + 3(n - 2. 5). What does n - 2. 5 represent?
n - 2.5 represent the Cost Price after a discount of 2.50
Given parameters,
Modeling of the total cost = 35 + 3(n - 2.5)
The general format of models like this is as follows;
Price + quantity (cost after coupon)
Coupon literally is a code that are used to obtain a discount on the current purchase
By comparison;
Price = 35 (i.e. current dress price).
Quantity = n (i.e. the number of shirts bought)
Lastly, cost after coupon = n - 2.5
It is stated that she applies a coupon on each T shirt
This can be interpreted to: removing a total discount of $2.50 from the three t-shirt.
By removing, the expression is given as negative $2.5
Hence,
n - 2.5 represent the total cost on each T shirt after coupon is applied
Learn more about Cost:
https://brainly.com/question/11027396
#SPJ4
Please help.........
Answer: what the heck do you have to answer
Step-by-step explanation:
A clay specimen, 25 mm thick, has been tested in an oedometer apparatus with two way rainage, and it is observed that 50% of the consolidation settlement occurs in 1 hour. A ayer of the same clay is observed to settle 10 mm in 10 years and after many years to settle (total primary consolidation) by 35 mm. Determine the thickness of the clay layer if it drains only from upper surface
The thickness of the clay layer, which drains only from the upper surface, can be determined based on the consolidation settlement observations. With 50% of consolidation settlement occurring in 1 hour for a 25 mm thick specimen, and a total primary consolidation settlement of 35 mm occurring over many years, the thickness of the clay layer is approximately 87.5 mm.
The consolidation settlement of a clay specimen can be used to estimate the thickness of a clay layer that drains only from the upper surface. In this case, the observed settlement data provides valuable information.
Firstly, we know that 50% of the consolidation settlement occurs in 1 hour for a 25 mm thick clay specimen. This is an important parameter for calculating the coefficient of consolidation (Cv) using Terzaghi's theory. From the Cv value, we can estimate the time required for full consolidation settlement.
Secondly, we are given that the same clay settles 10 mm over 10 years and eventually settles a total of 35 mm over a longer period. This long-term settlement is known as the total primary consolidation settlement. By comparing this settlement value with the settlement data from the oedometer test, we can determine the thickness of the clay layer.
To calculate the thickness, we can use the concept of the consolidation settlement ratio. The ratio of the total primary consolidation settlement to the consolidation settlement at 50% completion is equal to the ratio of the total thickness to the thickness at 50% completion. Applying this ratio, we can determine that the thickness of the clay layer, which drains only from the upper surface, is approximately 87.5 mm.
To learn more about thickness click here: brainly.com/question/23622259
#SPJ11
The oxygen production rate of Plant A followed the daily pattern of A(t)=-0.1(t-12)^(2)+4, while Plant B 's rate was B(t)=-0.2(t-13)^(2)+6. At what times would the oxygen production rates of plant A and B equal each other
The oxygen production rates of Plant A and Plant B would be equal to each other at approximately time t = 5.2.
To find the times when the oxygen production rates of Plant A and Plant B are equal, we need to set the two equations equal to each other and solve for t:
-0.1\((t - 12)^2\)+ 4 = -0.2\((t - 13)^2\) + 6
Now, let's solve this equation step by step:
Step 1: Expand the squared terms:
-0.1(\(t^2\) - 24t + 144) + 4 = -0.2(\(t^2\) - 26t + 169) + 6
Step 2: Distribute the coefficients:
-0.1\(t^2\) + 2.4t - 14.4 + 4 = -0.2\(t^2\) + 5.2t - 33.8 + 6
Simplify the equation:
-0.1\(t^2\) + 2.4t - 10.4 = -0.2\(t^2\) + 5.2t - 27.8
Step 3: Combine like terms:
0.1\(t^2\) + 2.8t - 17.4 = 0
Step 4: Move all terms to one side to set the equation equal to zero:
0.1\(t^2\) + 2.8t - 17.4 = 0
Step 5: Solve the quadratic equation using factoring, completing the square, or using the quadratic formula. Let's use the quadratic formula here:
t = (-2.8 ± √(\(2.8^2\) - 4 * 0.1 * -17.4)) / (2 * 0.1)
Simplifying the formula:
t = (-2.8 ± √(7.84 + 6.96)) / 0.2
t = (-2.8 ± √14.8) / 0.2
Step 6: Calculate the values of t by using both the positive and negative square root:
t1 = (-2.8 + √14.8) / 0.2
t2 = (-2.8 - √14.8) / 0.2
Step 7: Simplify the values of t:
t1 ≈ 5.2
t2 ≈ -28.2
Therefore, the oxygen production rates of Plant A and Plant B would be equal at approximately t = 5.2.
To know more about production rates refer here:
https://brainly.com/question/32075361#
#SPJ11
an 8 sided regular polygon (regular octagon) is inscribed in a circle whose radius is 16 feet. find the area of the polygon.
The area of the regular octagon inscribed in a circle with a radius of 16 feet can be found using the formula A = (2 + 2sqrt(2))r^2, where r is the radius of the circle. Plugging in the value for r, we get:
A = (2 + 2sqrt(2))(16)^2
A = (2 + 2sqrt(2))(256)
A = 660.254 ft^2
Therefore, the area of the regular octagon is approximately 660.254 square feet.
To derive the formula for the area of a regular octagon inscribed in a circle, we can divide the octagon into eight congruent isosceles triangles, each with a base of length r and two congruent angles of 22.5 degrees. The height of each triangle can be found using the sine function, which gives us h = r * sin(22.5). Since there are eight of these triangles, the area of the octagon can be found by multiplying the area of one of the triangles by 8, which gives us:
A = 8 * (1/2)bh
A = 8 * (1/2)(r)(r*sin(22.5))
A = 4r^2sin(22.5)
We can simplify this expression using the double angle formula for sine, which gives us:
A = 4r^2sin(45)/2
A = (2 + 2sqrt(2))r^2
Therefore, the formula for the area of a regular octagon inscribed in a circle is A = (2 + 2sqrt(2))r^2.
To learn more about regular octagon : brainly.com/question/1386507
#SPJ11
50 for city council members voted in favor of the new tax law and 18 voted against it. What percentage of the city council members voted in favor of the new tax law?
Approximately 73.5% of the city council members voted in favor of the new tax law.
In order to find the percentage of the city council members who voted in favor of the new tax law, lets use the following formula:
Percentage = (Number of votes in favor / Total number of votes) x 100
First, we need to add the number of votes in favor and the number of votes against it:
50 + 18 = 68
Next, we can use this total to find the percentage of those who voted in favor:
Percentage = (50 / 68) x 100 Percentage = 0.735 x 100 Percentage = 73.5%
To know more about percentage please visit :
https://brainly.com/question/24877689
#SPJ11
please help, ive been stuck on this for a while
Answer: A≈1922.46
Step-by-step explanation: A=6a^2=6·17.92≈1922.46
Choose a linear function for the line represented by the point-slope equation y – 5 = 3(x – 2).
The Linear function for the line represented by the point-slope equation y - 5 = 3(x - 2) is y = 3x - 1.
The point-slope equation for a line is of the form y - y1 = m(x - x1), where (x1, y1) is a point on the line and m is the slope of the line. Given the point-slope equation y - 5 = 3(x - 2),
we can see that the slope of the line is 3 and it passes through the point (2, 5).
To find the linear function for the line, we need to write the equation in slope-intercept form, which is y = mx + b, where m is the slope of the line and b is the y-intercept (the point at which the line intersects the y-axis).
To get the equation in slope-intercept form, we need to isolate y on one side of the equation.
We can do this by distributing the 3 to the x term:y - 5 = 3(x - 2) y - 5 = 3x - 6 y = 3x - 6 + 5 y = 3x - 1
Therefore, the linear function for the line represented by the point-slope equation y - 5 = 3(x - 2) is y = 3x - 1.
For more questions on Linear .
https://brainly.com/question/2030026
#SPJ8
A jury has 12 jurors. A vote of at least 10 out of 12 for "guilty" is necessary for a defendant to be convicted of a crime. Assume that each juror acts independently of the others and that the probability that any one juror makes the correct decision on a defendant is .80. If the defendeant is guitly, what is the probability that the jury makes the correct decision?
If the defendeant is guilty, the probability that the jury makes the correct decision is approximately 0.476.
To calculate the probability that the jury makes the correct decision, we need to consider two cases: the defendant is guilty and the defendant is not guilty.
Let's start with the case where the defendant is guilty. The probability that any individual juror makes the correct decision on the defendant is 0.80. Therefore, the probability that at least 10 out of 12 jurors make the correct decision is given by the binomial distribution:
P(at least 10 out of 12 jurors say "guilty") = sum of P(k jurors say "guilty") for k = 10, 11, 12
Using a binomial calculator or formula, we can find that this probability is approximately 0.952.
Now let's consider the case where the defendant is not guilty. In this case, the probability that any individual juror makes the correct decision is 0.20 (since they should say "not guilty"). Therefore, the probability that at least 10 out of 12 jurors say "guilty" when the defendant is actually not guilty is given by the same binomial distribution:
P(at least 10 out of 12 jurors say "guilty" | defendant is not guilty) = sum of P(k jurors say "guilty") for k = 10, 11, 12
Using the binomial formula, we can find that this probability is approximately 0.0003.
To find the probability that the jury makes the correct decision, we need to weigh the two cases by their respective probabilities:
P(correct decision) = P(defendant is guilty) * P(at least 10 out of 12 jurors say "guilty") + P(defendant is not guilty) * P(at least 10 out of 12 jurors say "guilty" | defendant is not guilty)
Plugging in the values, we get:
P(correct decision) = 0.5 * 0.952 + 0.5 * 0.0003 = 0.476
To learn more about probability click on,
https://brainly.com/question/31116768
#SPJ4
Three artists used different methods to estimate the diagonal length of a canvas in inches. Their results were: 18.44 in. 1835 in. 77–√ in. Which list shows these diagonal lengths in order from greatest to least? Question 9 options: 77–√ , 1835, 18.44 1835, 77–√, 18.44 1835, 18.44, 77–√ 18.44, 77–√, 1835
♡ The Question/Task ♡
18.44 in. 18 3/5 in. 7√7 in.
Ordered from greatest to least.
*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*
♡ The Answer ♡
18 3/5, 7√7, 18.44!
*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*
♡ The Explanation/Step-By-Step ♡
-No Explanation/Step-By-Step Provided!
*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*
♡ Tips ♡
-No Tips Provided!
Find the volume of the given prism. Round to the nearest tenth if necessary.
Look at the dot plot to answer the following question.
A dot plot titled How Old Were You When You Started Babysitting Question mark goes from 10 to 16. 10 has 2 dots, 11 has 3 dots, 12 has 3 dots, 13 has 6 dots, 14 has 2 dots, 15 has 1 dot, and 16 has 1 dot.
How many more people started babysitting when they were 13 rather than 12?
3
6
12
13
Answer: I think it’s 3
Step-by-step explanation: I took a look at 13 and 12 subtracted 6-3=3
so I believe this is the answer sorry if I’m wrong
Answer:
3?
Step-by-step explanation:
What we know about prime and common factors help us to find the _____
of two or more numbers.
Answer:
greatest common factor
Step-by-step explanation:
greatest common factor the largest factor that any given numbers have in common
What are the coordinates of the point (2,3) when reflected across the y-axis?
Answer:
(-2,3)
Step-by-step explanation:
25 points plus brainliest
Answer:
The first answer is correct
Step-by-step explanation:
y = mx + b is the slope intercept form of a line
15x - 5y = 30 Subtract 15x from both sides
-5y = -15x + 60 Divide both sides by -5
y = 3x -6 The -6 is your y-intercept. It is the point (0.-6) We could stop here because that is the only choice that shows (0,-6), but let's find the x intercept.
The x-intercept is when y = 0
y = 3x -6
0 = 3x - 6 Add 6 to both sides
6 = 3x Divide both side by 3
2 = x This is the point (2,0)
We could have taken the original equation and set x=0 and y=0
15x - 5y = 30
15(0) - 5y = 30
-5y = 30 Divide both sides by -5
y = -6
15x -5y = 30
15x - 5(0) = 30
15x = 30 Divide both sides by 15
x = 2
-
Select the correct answer.
Tracy wants to make a cylindrical model. The height of the cylindrical model, H(V), in inches, is modeled by this
equation, where Vis the volume of the cylindrical model, in cubic inches.
H(V) = 2. 6937
What is the average rate of change of the model's height when its volume changes from 512 cubic inches to
1,000 cubic inches?
The model's height increases by approximately 21. 52 inches for every 1-cubic-inch increase in its volume.
The model's height increases by approximately 0. 022 inch for every 1-cubic-inch increase in its volume.
The model's height increases by approximately 0. 011 inch for every 1-cubic-inch increase in its volume.
The model's height increases by approximately 26. 9 inches for every 1-cubic-inch increase in its volume.
The average rate of change of the height function is slope of the height function
The model's height increases by approximately 0.011 inch for every 1-cubic-inch increase in its volume.
How to determine the average rate of change?The height function is given as:
\(H(V) = 2.69\sqrt[3]{V}\)
When V = 512, the function becomes
\(H(512) = 2.69\sqrt[3]{512}\)
\(H(512) = 21.52\)
Similarly;
When V = 1000, the function becomes
\(H(1000) = 2.69\sqrt[3]{1000}\)
\(H(1000) = 26.9\)
The average rate of change is then calculated as:
\(H' = \frac{H(1000) - H(512)}{1000 - 512}\)
This gives
\(H' = \frac{26.9 - 21.52}{1000 - 512}\)
\(H' = \frac{5.38}{488}\)
Evaluate the quotient
\(H' = 0.01102459016\)
Approximate
\(H' = 0.011\)
Hence, the model's height increases by approximately 0.011 inch for every 1-cubic-inch increase in its volume.
Read more about average rate of change at:
https://brainly.com/question/8728504
Answer:
The model’s height increases by approximately 0.011 inch for every 1-cubic-inch increase in its volume.
Step-by-step explanation:
Plato/Edmentum