To find the width of the rectangular frame, we need to set up an equation using the given information about the total area of 160 square inches.
The area of a rectangle is given by the formula length multiplied by width. In this case, the length is represented by the expression 2x + 8, and the width is represented by the expression 2x + 6. So, we can set up the equation: (2x + 8)(2x + 6) = 160
Now, let's solve this equation step by step: 1. Expand the equation: 4x^2 + 12x + 16x + 48 = 160 2. Combine like terms: 4x^2 + 28x + 48 = 160 3. Move 160 to the other side of the equation: 4x^2 + 28x + 48 - 160 = 0 4. Simplify: 4x^2 + 28x - 112 = 0 So, the correct equation to solve for the width of the rectangular frame with a total area of 160 square inches is:
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The perimeter of a square is 40 inches. The length of each side of the square is 4x-2 inches. What is the value of x? Show or explain how you found your answer.
please help i need this asap please
Answer:
4x^2
Step-by-step explanation:
(8x^3)^(2/3)
= 8^(2/3) * (x^(3))^2/3
8^(2/3) can be rewritten as ³√8²;
³√8² = ³√64
= 4
(x^(3))^2/3 = x^(3 * 2/3)
= x^2
Your solution is 4x^2, option a
HELP I will give. Brainliest
Answer:
Almost 8 times greater
Step-by-step explanation:
113.1 is the original volume if you double both dimensions the new volume is 904.78
Determine if each set of ordered pairs represents a function.
Answer:
h is the a
Step-by-step explanation:
ALGEBRAIC PROOF!!!! PLS HELP!!! The area of a rectangular blanket is 20 square feet. The blanket's length is (2x + 1) ft and the blanket's width is 2x ft. find the dimensions of the blanket. provide justification for each step.
Answer:
Length: 5 ft; width: 4 ft.
Step-by-step explanation:
A = LW formula for area of rectangle
(2x + 1)(2x) = 20 substitute length, width, and area into formula
4x² + 2x - 20 = 0 use the distributive property to multiply out left side
2x² + x - 10 = 0 divide both sides of equation by 2
(2x + 5)(x - 2) = 0 factor out trinomial
2x + 5 = 0 or x - 2 = 0 use zero product rule to solve for x
2x = -5 or x = 2 subtract 5 from both sides; add 2 to both sides
x = -5/2 or x = 2
We discard x = -5/2 since it would give negative length and width, and the length and width cannot be negative.
Length: 2x + 1 = 2(2) + 1 = 5
Width: 2x = 2(2) = 4
Length: 5 ft; width: 4 ft.
There are seven different roads between town A and town B, four different roads between town B and town C, and two different roads between town A and town C.
(a) How many (total) different routes are there from A to C?
(b) How many different routes are there from A to C and back to A? Note that any road can be used once in each direction.
(c) How many different routes are there from A to C and back to A in which town B is visited at least once?
(d) How many different routes are there from A to C and back to A that do not use any road twice?
4. How many nonempty collections of letters can be formed from four As and eight Bs?
please provide explanation
a. The number of different routes from A to C is 7 + 2*4 = 15.
b. The number of different routes from A to C and back to A is 15 * 15 = 225.
c. The number of different routes from A to C and back to A in which town B is visited at least once can be calculated using the formula below: total number of routes from A to C and back to A - number of routes from A to B and back to A - number of routes from A to C and back to B + number of routes from A to B and back to C = 225 - 7*7 + 4*2 + 2*4 = 196.
d. The number of different routes from A to C and back to A that do not use any road twice is equal to the total number of permutations of all routes which can be arranged without repetition. This can be calculated using the formula below: 15P15 = 15!/(15-15)! = 1,307,674,368,000.
4. The number of nonempty collections of letters that can be formed from four As and eight Bs can be calculated using the formula below: total number of collections - number of collections with only As - number of collections with only Bs = 2^12 - 1 - 1 = 4095.
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if x + y = x y = 5 then x ^2 y + X Y ^ 2 equals
Answer:
25
Step-by-step explanation:
Note x^2y + xy^2 = xy(x+y)
We know xy = 5 and x+y = 5, so
5*5=25
Random error is an error that?
Random error is an unpredictable deviation from the true value or expected outcome in a measurement or experiment.
Random error refers to the unpredictable and uncontrollable variations that occur when making measurements or conducting experiments. It is a type of error that introduces inconsistencies and fluctuations in the data, leading to discrepancies between the observed values and the actual values.
Random errors can arise from various sources, such as equipment limitations, environmental factors, or human factors like imprecise readings or variations in technique.
Unlike systematic errors, which are consistent and biased in a particular direction, random errors are characterized by their lack of pattern or regularity. They are typically caused by factors that are difficult to quantify or account for, making it challenging to eliminate them entirely.
However, by taking repeated measurements and applying statistical analysis techniques, researchers can mitigate the impact of random errors and obtain more reliable and accurate results.
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If you fold the number line so that the vertical crease goes through 0,the points you label would match up explain why this happens
Answer:
When you fold the number line ( vertically through the point zero on the number line ) you have successfully divided the number line into 2 equal halves.
Step-by-step explanation:
When you fold the number line ( vertically through the point zero on the number line ) you have successfully divided the number line into 2 equal halves. and this causes the points labelled on either side of the number line to match up with with the points on the opposite side
Activity 2 of 2
Part B: What is the probability that a member chooses whole wheat bread, ham, and Swiss cheese?
O A. 1
Answer:
1/12
Step-by-step explanation:
I got this question on one of my quizzes
WHC 1 WWBHC 1 Explanation: there are 12 samples and they asked us to
WHS 2 WWBHS 2 pick 1 so it would be 1/12
(whole wheat bread, ham, swiss)
WHA 3 WWBHA 3
WTC 4 WWBTC 4
WTS 5 WWBTS 5
WTA 6 WWBTA 6
The traight line depreciation equation for a luxury car i y = −3,400x 85,000. (Expre your anwer in whole number. )
The car doesn't depreciate for 25 years.
Given;
The straight-line depreciation equation for a luxury car is,
y = −3,400x + 85,000 → (I)
How many years will it take for the car to depreciate?
To find the solution for a given case, from (I);
Let y = 0,
0 = -3400x + 85000
3400x = 85000
x = 85000/3400
x = 25
Hence, it takes 25 years for the car to depreciate.
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ab + c = d solve for b
Answer:
\(\boxed{\boxed{b=\frac{d-c}{a}; a\neq 0}}\)
Step-by-step explanation:
\(ab+c=d\\\\ab+c-c=d-c\\\\ab=d-c\\\\\frac{ab=d-c}{a}\\\\ \boxed{b=\frac{d-c}{a}; a\neq 0}\)
Suppose that f(1) = 1, f(4) = 5, f '(1) = 3, f '(4) = 3, and f '' is continuous. find the value of 4 1 xf ''(x) dx.
Answer: b
Step-by-step explanation:
I think
Solve the inequality.
-7x - 4 > 17
Answer:x<-3
Step-by-step explanation:
Answer:
x < -3
Step-by-step explanation:
\(-7x-4>17\\\\-7x-4+4>17+4\\\\-7x>21\\\\\frac{-7x}{-7}>\frac{21}{-7}\\\\x<-3\)
help im in 6th grade
Answer:
15
Step-by-step explanation:
what should be t-value to indicate that curve is not over flattening in smoothening of time series data
When smoothing time series data, it's important to ensure that the curve is not over-flattened, as this can lead to important information being lost.
What should be t-value to indicate that curve is not over flattening?To avoid over-flattening, one approach is to use a threshold value, or "t-value", to determine the maximum amount of smoothing that can be applied.Here are some steps to consider when choosing a t-value:Plot the original time series data and the smoothed curve to visualize the smoothing effect.Compare the slope of the smoothed curve to the slope of the original data.Choose a t-value that preserves the important features of the original data, such as trends, seasonality, and outliers.Ensure that the smoothed curve still accurately represents the underlying pattern in the data, while reducing noise and variability.Re-evaluate the t-value if necessary, based on the visual comparison of the original data and the smoothed curve.The t-value should be chosen such that the smoothed curve captures the underlying pattern in the data, while retaining important features such as trends and seasonality. If the t-value is set too high, the curve may become over-flattened and important information may be lost. On the other hand, if the t-value is set too low, the curve may not effectively reduce noise and variability in the data.To learn more about T-value refer:
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–2 times the quantity q minus 3
Answer:
This question was worded weirdly however I am assuming this is algebra and you need the equation. So here- -2(q-3) or -2q+6
Step-by-step explanation:
Distribute the -2, to all the terms in the parenthesis of -2(q-3) you get 2q+6
If you didnt know how to get -2(q-3), -2(multiplied) by q-3, you use parenthesis to make sure you know it is multiplication in front of the parenthesis.
Hope I could help!
What is the Quillivant to 18 P -36
Answer:
1
Step-by-step explanation:
yes
8 - 3/8=
F 8 3/8
G 5/8
H 7 1/2
J 7 5/8
K None
Answer:
J 7 5/8
Step-by-step explanation:
Method 1, use mixed numerals and borrowing.
8 - 3/8 = 7 1/1 - 3/8 = 7 8/8 - 3/8 = 7 5/8
Method 2, use fractions.
8 - 3/8 = 8/1 - 3/8 = 64/8 - 3/8 = 61/8 = 7 5/8
(4) B is the midpoint of AC, D is the midpoint of CE, find BD.
Answer:
A :10.5 is the answer
Step-by-step explanation:
4. Use a specific example to explore how the cross product behaves under scalar multiplication. Is it true that ka X ‹ b) = (ka ) × b = a × (kb)?
Using a specific example, we will explore how the cross product behaves under scalar multiplication. In conclusion, the statement does not hold true for all vectors and scalars. The behavior of the cross product under scalar multiplication is not commutative.
To investigate the behavior of the cross product under scalar multiplication, let's consider the vectors a = (1, 2, 3) and b = (4, 5, 6), and a scalar value k = 2.
First, we compute ka × b:
ka × b = 2a × b = 2(1, 2, 3) × (4, 5, 6).
Expanding the cross product, we have:
2(1, 2, 3) × (4, 5, 6) = (2(3×6 - 2×5), 2(1×6 - 3×4), 2(1×5 - 2×4)) = (12, -12, -2).
Next, we compute (ka) × b:
(ka) × b = (2a) × b = (2(1, 2, 3)) × (4, 5, 6).
Expanding the cross product, we have:
(2(1, 2, 3)) × (4, 5, 6) = (2(2×6 - 3×5), 2(3×4 - 1×6), 2(1×5 - 2×4)) = (2, -12, -2).
Finally, we compute a × (kb):
a × (kb) = (1, 2, 3) × (2(4, 5, 6)).
Expanding the cross product, we have:
(1, 2, 3) × (2(4, 5, 6)) = (1×(2×6 - 3×5), 2×(3×4 - 1×6), 3×(1×5 - 2×4)) = (-12, -12, -6).
Comparing the results, we can see that ka × b, (ka) × b, and a × (kb) are not equal in this example. Therefore, it is not true that ka × (b) = (ka) × b = a × (kb) in general.
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in a normal distribution of measurements having a mean of 200 pounds and a standard deviation of 15 pounds, what percent of the distribution falls between 100 and 175 pounds? select one: a. 95% b. 5% c. 10% d. 3%
Percent of the distribution falls between 100 and 175 pounds would be c. 10%. To answer this question, we need to use the standard normal distribution table or a calculator to find the percentage of the distribution that falls within a certain range of the mean.
In this case, the range is from 100 to 175 pounds, which is a distance of 75 pounds from the mean of 200 pounds.
We can use the standard normal distribution table or a calculator to find the percentage of the distribution that falls within one standard deviation of the mean. Since the standard deviation is 15 pounds, this means that approximately 68% of the distribution falls within one standard deviation of the mean.
To find the percentage of the distribution that falls within a range of 75 pounds, we can multiply this value by the proportion of the range to the standard deviation. In this case, the range is 75 pounds and the standard deviation is 15 pounds, so the proportion of the range to the standard deviation is 5. Therefore, approximately
5 * 68% = 34% of the distribution falls within the range of 100 to 175 pounds.
Therefore, the correct answer is (C) 10%.
Here is the calculation:
68% * (75 pounds / 15 pounds) = 34%
This means that approximately 34% of the distribution falls within the range of 100 to 175 pounds.
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solve the equation
6 = 4x + 9y
Answer:
so I don't know what you need to be solved but if you need it in slope intercept form than the answer is
y=4/9x + 2/3
After many studies, a researcher finds that the probability of a word recognition program correctly interpreting a hand-written word is 9/10 . How many words would the researcher expect the program to interpret correctly out of 40 words?
If a researcher finds that the probability of a word recognition program correctly interpreting a hand-written word is 9/10 . The number of words that the researcher expect the program to interpret correctly out of 40 words is 36 words.
How to find the number of words?Using this formula to find the number of words
Number of words = Probability of correctly interpreting a hand-written word × Expected words
Let plug in the formula
Number of words = 9/10 × 40
Number of words = 36 words
Therefore we can conclude that the number of words is 36 words.
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(car sales) of the cars sold during the month of july, 87 had air conditioning, 99 had automatic transmission, and 73 had power steering. 8 cars had all three of these extras. 24 cars had none of these extras. 24 cars had only air conditioning, 64 cars had only automatic transmissions, and 35 cars had only power steering. 9 cars had both automatic transmission and power steering. how many cars had exactly two of the given options?
Cars with exactly two options = Total cars - Cars with none or one option - Cars with all three options. 8 cars had exactly two of the given options during the month of July.
To determine the number of cars that had exactly two of the given options (air conditioning, automatic transmission, and power steering), we can follow these steps:
1. Find the total number of cars sold in July.
2. Subtract the number of cars with none, one, or all three options to get the number of cars with exactly two options.
Step 1: Find the total number of cars sold in July
- 24 cars had none of the extras
- 24 cars had only air conditioning
- 64 cars had only automatic transmission
- 35 cars had only power steering
- 8 cars had all three extras
Total cars = 24 + 24 + 64 + 35 + 8 = 155 cars
Step 2: Subtract the number of cars with one or all three options
- 87 cars had air conditioning
- 99 cars had an automatic transmission
- 73 cars had power steering
- 8 cars had all three extras
Total cars with at least one option = 87 + 99 + 73 - 8 = 251 cars
Now, subtract the number of cars with none or one option from the total number of cars to find the number of cars with exactly two options:
Cars with exactly two options = Total cars - Cars with none or one option - Cars with all three options
Cars with exactly two options = 155 - (24 + 24 + 64 + 35) - 8 = 155 - 147 = 8 cars
Therefore, 8 cars had exactly two of the given options during the month of July.
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5 divided by 15.90
Work for it
Answer: 0.3144654088 Hope this helps :)
Step-by-step explanation:
Answer:
0.3144
Step-by-step explanation:
its just division
can someone help me please thank you
The triangle is an isosceles and similar triangle. Then the value of the variable 't' will be 5.5.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180 °.
The two triangular legs and their opposing angles are congruent in an isosceles triangle.
The ratio of the matching sides will remain constant if two triangles are comparable to one another.
The angle will be congruent with each other. Then we have
12t + 7 = 8t + 29
Simplify the equation, then we have
12t + 7 = 8t + 29
12t - 8t = 29 - 7
4t = 22
t = 22 / 4
t = 5.5
The triangle is an isosceles and similar triangle. Then the value of the variable 't' will be 5.5.
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what is -2x+38.5=-9x+14
Answer:
=-3.5
Step-by-step explanation:
Subtract 38.5 from both sides of the equation then Simplify, lastly you Add
9
to both sides of the equation
Is (5, 6) a solution to this system of equations?
20x-16y=4
6x+19y=-5
Answer:
Since the point (5, 6) does not satisfy both equations at the same time, it is not a solution to the system of equations.
Step-by-step explanation:
To determine if a given point (5, 6) is a solution to a system of equations, we need to substitute the x and y values into both equations and see if they satisfy both equations at the same time. In other words, we need to see if the point satisfies both equations simultaneously.
For the first equation:
20x - 16y = 4
Substituting x = 5 and y = 6:
20 * 5 - 16 * 6 = 4
100 - 96 = 4
4 = 4
For the second equation:
6x + 19y = -5
Substituting x = 5 and y = 6:
6 * 5 + 19 * 6 = -5
30 + 114 = -5
144 = -5
Since the point (5, 6) does not satisfy both equations at the same time, it is not a solution to the system of equations.
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After driving
three hours, the Factors
stopped for lunch. The bill for 4
hamburgers and 4 milkshakes was
$12.65. How much change did Ms.
Factor receive from a $20 bill?
Answer:
7.35
Step-by-step explanation: