The dimensions (in m) of the cardboard box with the largest volume is obtained as 2 m length.
Define the term largest volume?Volume is a mathematical term that describes how much three-dimensional space an object or closed surface occupies. Volume is measured in cubic units like m3, cm3, in3, etc. Volume is sometimes referred to as capacity.Dimensions of piece of cardboard;
Length = 8 mWidth = 4 m.Let the corner cut length be 'x',
New dimensions;
Length = 8 - 2x Width = 4 - 2xHeight = xVolume = length x width x height
Put the values;
V = ( 8 - 2x ) (4 - 2x) x
Find the solution of the obtained quadratic equation by quadratic formula.
x = 0, 2 and 4.
As, x ≠ 0 and 4.
Thus, x = 2.
Thus, the dimensions (in m) of the box with the largest volume is obtained as 2 m length.
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using a z-table like the one found in lectures, or a z-score calculator, approximately what is the probability of randomly drawing a value greater than 3.0 from a z-distribution? question 3 options: .9995
The probability of randomly drawing a value greater than 3.0 from a z-distribution is 0.0013
What does z-score mean?The Z-score, commonly referred to as the standard score, expresses how far away from the mean an object is.
An element that is below the mean is indicated by a z-score that is less than 0.
An element bigger than the mean is indicated by a z-score greater than 0.
An element that is equal to the mean is represented by a z-score of 0.
P(Z > a) = 1-P(Z<a)
Let's say we want to know, for instance, the likelihood that a z-score will be higher than 3.00.
We learn from the table, that
P(Z < 3.00) = 0.9987.
Therefore,
P(Z > 3.00) = 1 - P(Z < 3.00)
= 1 - 0.9987
= 0.0013.
Therefore, the probability of randomly drawing a value greater than 3.0 from a z-distribution is 0.0013
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the product of 180 and the positive integer n is a perfect cubic number. what is the least possible value of n?
The least possible value of n, where the product of 180 and the positive integer n is a perfect cubic number is 150.
so, by the question,
n×180 is a perfect cube
on the prime factorization of 180, we get
180 = 2²×3²×5
so the number should be
n = 2 × 3 × 5² =150
when we multiply both of them we get
180×n = (2²×3²×5)×(2 × 3 × 5²)
= (2³×3³×5³)
=(2×3×5)³
=(30)³
=27000
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log₂ (x+5)-1og₂ (x-2)=3
Answer: x=3
Step-by-step explanation:
log₂(x+5)-log₂(x-2)=3
Domain:
x+5>0 ⇔ x>-5
x-2>0 ⇔ x>2
Hence, x>2 or x∈(2,∞)
Solution:
[tex]\displaystyle\\log_2\frac{x+5}{x-2} =3log_22\\\\log_2\frac{x+5}{x-2} =log_22^3\\\\log_2\frac{x+5}{x-2} =log_28\\\\Hence,\\\\\frac{x+5}{x-2}=8[/tex]
Multiply both parts of the equation by (x-2):
[tex]x+5=8(x-2)\\\\x+5=8x-16\\\\x+5-x=8x-16-x\\\\5=7x-16\\\\5+16=7x-16+16\\\\21=7x[/tex]
Divide both parts of the equation by 7:
[tex]3=x\\\\Thus,\ x=3[/tex]
CAN someone help me with DIS
The area of the triangle below is 224 inches squared.
How to find the area of a triangle?A triangle is a polygon with three sides. The sum of angles in a triangle is 180 degrees.
The area of a triangle an be described as follows:
area of a triangle = 1 / 2 bh
where
b = baseh = heightTherefore, the area of the triangle can be found as follows:
b = 4t = 4(4) = 16 inches
h = 7(t) = 7(4) = 28 inches
Therefore,
are of the triangle = 1 / 2 × 16 × 28
are of the triangle = 8 × 28
Therefore,
are of the triangle = 224 inches²
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Answer:
224 inches squared.
Step-by-step explanation:
have great day
What is the diameter of a circle with a circumference of 47.1 in.?
A. 7.5 in.
B. 15 in.
C. 0.75 in.
D. 1.5 in.
The required diameter of the circle is given as 15 in. Option B is correct.
Given that,
The circumference of a circle is given 47.1 in, we have to determine the diameter of the circle.
Perimeter is the measure of the figure on its circumference.
Here,
As per the given condition,
First, write the formula for the circumference of the circle,
Circumference of the circle = πD
now substitute the value in the above equation,
47.1 = 3.14 D
D = 47.1/3.14
D = 15 in
Thus, the required diameter of the circle is given as 15 in. Option B is correct.
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What does x equal to??
x is equal to 125° in the triangle
How to determine the value x in the triangle?The figure given here is a triangle. And we know that the sum of the angles in a triangle is 180°. So we can apply this concept by writing the expression below:
x + 25° + 30° = 180°
x + 55° = 180°
x = 180° - 55°
x = 125°
Therefore, the value of x is 125°. So x is equal to 125°
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help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The fraction of a mile that Evan has to hike and the fraction he has hiked, gives the completed statement as follows;
[tex]\frac{5}{6}[/tex] is closest to 1 and [tex]\frac{2}{5}[/tex] is closest to [tex]\frac{1}{2}[/tex]. So the difference is closest to [tex]\frac{1}{2}[/tex]
What is a fraction in mathematics?A fraction is a representation of the part of a whole of an item or collection of items. The distance Evan's hiking trail of [tex]\frac{5}{6}[/tex] miles is a fraction of a mile.
The length of the trail = [tex]\frac{5}{6}[/tex] mile
The distance Evan has hiked = [tex]\frac{2}{5}[/tex] mile
The distance Evan has left to hike is given by the difference between the length of the trail and the distance Evan has hiked as follows;
Distance remaining = [tex]\frac{5}{6} -\frac{2}{5} = \frac{13}{30}[/tex]
Representing the numbers in decimal form, we have;
[tex]\dfrac{5}{6} = 0.8\overline 3[/tex]
The value of [tex]\frac{5}{6}[/tex] is close to 1
[tex]\dfrac{2}{5} = 0.4[/tex]
The value of [tex]\frac{2}{5}[/tex] is closest to 0.5
[tex]\dfrac{13}{30} = 0.4\overline 3[/tex]
The difference between [tex]\frac{5}{6}[/tex] and [tex]\frac{2}{5}[/tex], which is [tex]\frac{13}{30}[/tex] is therefore closest to [tex]\frac{1}{2}[/tex]
The completed statement is therefore;
[tex]\frac{5}{6}[/tex] is closest to 1 and [tex]\frac{2}{5}[/tex] is closest to [tex]\frac{1}{2}[/tex] so the difference is closest to [tex]\frac{1}{2}[/tex]
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The identification of a relationship using
multiplication and the prediction of the value of one
quantity based on the value of another.
Utilizing multiplication to find relationships and predicting that value of one "Linear regression" is a quantity derived from the value of another.
Define the term Linear regression?The relationship in between magnitude of one parameter and that of a second is modeled by simple linear regression.
For instance, as X rises, Y also increases. or Y declines as X rises. 1 Regression defines the nature of the link, whereas correlation evaluates the strength of such a linking between two variables.Simple linear regression calculates the precise amount by which Y will alter when X alters by a specific amount. The variables X and Y remain interchangeable with the correlation coefficient. Regression uses a linear relationship, or a line, to try and predict any Y variable from the X variable:Y = b 0 + b 1 X.Thus, finding correlations via multiplication and assuming that the value of one "Linear regression" is a number obtained as from value of another
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< The concession stand at the baseball park sells food in value packs. The ratio in the value pack is 4 hot dogs 2 drinks: 1 bag of chips. A tape diagram representing the ratio of each item is shown. hot dogs drinks chips a. Describe what each small rectangle in the tape diagram represents b. What is the least total amount of items in a value pack? c. How many bags of chips are in a value pack if there are 10 drinks?
Answer:
someone answer please ive been waiting for 2 hours :skull:
Step-by-step explanation: please answer yall
Transformation of functions f(x)=-7(x-8)^2 +2
Answer:
Step-by-step explanation:
I think this is the answer you were looking for but im not 100% sure
find the general terms of the sequence 4 8 12 16
Answer: The general term is an = 4n
Step-by-step explanation:
Characterize the slope of the line in the graph.
• A. Zero
• B. Negative
• C. Undefined
• D. Positive
Answer: C Undefined
Step-by-step explanation:
A vertical line never moves left and right, so the run is 0. Because the quotient of a number divided by 0 is undefined, the slope of a vertical line is always undefined.
The slope is positive
D.Positive
3) an applicant for a job has to take an aptitude test. suppose that the time it takes to finish the test is normally distributed with mean time 69 minutes and standard deviation 8 minutes. determine how much time an applicant should be given so that 97 percent of them will be able to complete the test.
An applicant needs 84.04 minutes to finish the test in order for 97 percent of them to pass.
An aptitude test is required of job candidates. Let's assume that the test's completion time has a mean of 69 minutes and a standard deviation of 8 minutes.
To get how much time an applicant should be given so that 97 percent of them will be able to complete the test.
Mean (μ) = 69
standard deviation (σ) =8
Hence, due to population standard deviation (σ) is known to use the normal distribution.
x_ Norm (μ,σ)
x_ Norm (69,8)
Therefore, x_ random variable that represents the time of applicant;
P(X<x) = 0.97
Corresponding to the left tail area of 0.97 lies in the z-table of z row of 1.8 and column 0.08.
P(z < 1.88) = 0.97
z < 1.88
(X - μ)/σ < 1.88
X < 1.88 (8) + 69
X < 84.04
The time taken by an applicant so that 97 percent of them will be able to complete the test is 84.04 minutes.
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The graph represents a one-to-one function because every x-value is paired with only one y-value.
The graph represents a one-to-one function because it is defined for all x-values.
The graph does not represent a one-to-one function because it does not pass through the origin.
The graph does not represent a one-to-one function because the y-values between 0 and 2 are paired with multiple x-values.
The correct statement regarding whether the graph is a one-to-one function is:
The graph does not represent a one-to-one function because the y-values between 0 and 2 are paired with multiple x-values.
What is an one-to-one function?An one-to-one function is a function in which each output is related to only one input, that is, there are no horizontally aligned points.
These horizontally aligned points happen when an horizontal line is traced on the graph of the function, and crosses the function more than once.
From the graph of the function given by the image at the end of the answer, it can be seen that this line would cross the function twice for values of y between 0 and 2, hence the correct option is:
The graph does not represent a one-to-one function because the y-values between 0 and 2 are paired with multiple x-values.
Missing InformationThe problem asks for the correct statement regarding the function given on the image at the end of the answer.
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your sister earns $30 per day selling clothes at the market, but in order to sell at the market, she has to pay $60 to get a license. You earn $20 per day helping rake your neighbors' lawns. How many days will it take for your sister to earn as much as you?
It will take 6 days for the sister to earn as much as the brother.
What is an equation?Two or more expressions with an equal sign are defined as an equation.
Given that, the sister earns $30 per day and pays a $60 license fee and the brother earns$20 per day.
The income of the sister in x days is:
30x - 60
The income of the brother in x days is:
20x
The income of the sister and the brother is equal when:
30x - 60 = 20x
30x - 20x = 60
10x = 60
x = 6
Hence, It will take 6 days for the sister to earn as much as the brother.
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Write an equation in slope-intercept form of the line that passes through the given points.
Equation in slope-intercept form of the line that passes through the given points is y = 2x - 1/2.
Given points:
(1, 1.5) and (2, 3.5)
slope m = 3.5 - 1.5 / 2 - 1
= 2/1
m = 2
substitute m and (1,1.5) in y = mx + c
1.5 = 2*1 + c
1.5 - 2 = c
c = -0.5
c = -1/2
y = mx + c
y = 2x - 1/2.
Therefore equation in slope-intercept form of the line that passes through the given points is y = 2x - 1/2.
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a comic book costs $3.99. it is marked up 45%. what is the final price of the comic book after it is marked up?
The final price of the comic book after it is marked up is $5.79.
Since we have given that
Cost of a comic book including tax = $ 3.99
According to the question, it is given that it is marked up 45%,
=3.99 × (100+45)÷100
=3.99 × 145/100
=399 × 1.45
=5.79
Hence, the final price of the comic book after it is marked up is $5.79.
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given the measurements; 6 cm, 10 cm, 17m. Check if three measurements can form a angle
What is the total volume of both boxes if s equals 8 inches
The total volume of both cubed boxes, combined, is of:
612 cubic inches.
What is the volume of a cube?The volume of a cube of side length s is given by the side length s cubed, as shown by the formula presented as follows:
V = s³.
In this problem, the boxes are given as follows:
Cubed box with side length of s = 8 inches.Cubed box with a volume of 100 cubic inches.The volume of the box with side length 8 inches is given as follows:
V = 8³ = 512 cubic inches.
(measure is in inches, hence the cubed measure is in cubic inches).
The total volume is given by the sum of the volumes of the two boxes, hence:
Total volume = 512 cubic inches + 100 cubic inches = 612 cubic inches.
Missing InformationThe image showing the cubes is given at the end of the answer.
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Hello I just need the answers for 31 and 32 I just answered a math equation to a few minutes ago so I’d like a final answer again please I need it ASAP thank you and have a great day
The value of n is A. -1/2
The inequality that does not represent the position of 2 numbers on a number line is A. 4 1/2 > 25/4
What is number line?A number line is a horizontal representation of number parts with equal intervals
The numbers in a number line is arranged to be increasing from left to right , hence drawing a number line will have the smaller values to the left of the bigger values
n is the negative side of the line and it is half (1/2) way between 0 and -1 hence should be -1/2
for the inequality, 4 1/2 > 25/4
4 1/2 = 4.5
25/4 = 6.25
4.5 should less than 6.25, and hence do not represent the correct position of two numbers
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Write and Solve the equation: A printing company charges $0.15 per copy in addition to a service fee of $3. Write an equation to represent the cost, y, the company charges for x numbers of copies. How much would 250 copies cost?
The equation representing the cost is y = 0.15x + 3 where x ix the number of copies and y is total cost.
Cost for 250 copies is $40.5
What is equation?The definition of an equation is a mathematical statement that shows that two mathematical expressions are equal.
Given that, a printing company charges $0.15 per copy in addition to a service fee of $3,
Therefore, according to question, the total cost y for printing x copies is,
y = 0.15x + 3
For x = 250
y = 0.15*250 + 3
y = $40.5
Hence, The equation representing the cost is y = 0.15x + 3 where x ix the number of copies and y is total cost.
Cost for 250 copies is $40.5
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A scientist uses a submarine to study ocean life.
She begins at sea level, which is an elevation of 0 feet.
She travels straight down for 68 seconds at a speed of 0.8 feet per second.
She then ascends for 11 seconds at a speed of 3.8 feet per second.
Answer:
-11.8
Step-by-step explanation:
68x0.8
11x3.8
11x3.8=41.8
68x0.8=54.4
54.4-41.8=12.6
Now minus add a minus to it and you get -12.6 FT
Please help with slope question
choose any 2 points on the graph
To calculate the slope use the formula:
slope = y (point 2)-y (point 1)/x (point 2)-x (point1)
substitute the choses points in
calculate your awnser
After raining for 3/4 of an hour, a rain gauge is of 2/5 the way full. If it continues to rain at the same rate for 15 more minutes, what fraction of the rain gauge will be filled?
Answer:
8/15
Step-by-step explanation:
You want the fraction of a rain gauge filled after 15 more minutes when the rain rate is 2/5 of the gauge in 3/4 of an hour.
Proportion15 minutes is 1/4 hour, so 15 more minutes brings the total time to 1 hour. The fraction (x) of the gauge that is filled will be ...
x/1 = (2/5)/(3/4)
x = (2/5)(4/3) = 8/15
After a total of 1 hour, the rain gauge will be 8/15 of the way full.
Write the first four terms of the sequence defined by the explicit rule. f(n) = 3n + 6
The first four terms of the sequence would be -
9, 12, 15, 18
What is a Sequence?Number sequence is a progression or an ordered list of numbers governed by a pattern or rule. For example -
3, 6, 9, 12, 15
x, x + 2, x + 4, x + 6
We have the following sequence -
f(n) = 3n + 6
We can write the first four terms as -
f(1) = 3 x 1 + 6 = 9
f(2) = 3 x 2 + 6 = 12
f(3) = 3 x 3 + 6 = 15
f(4) = 3 x 4 + 6 = 18
Therefore, the first four terms of the sequence would be -
9, 12, 15, 18
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William leaves work at 16:00. He drives 36 kilometres from work to home at an average speed of 48 km/h. What time does William arrive home?
answer using the 24 hour clock.
William will arrive home at 16:45, it will take 45 min to reach home.
Given, that William leaves work at 16:00
Distance from work to home is 36 kilometres
Also, he drives at an average speed of 48 km/hr
Now, using distance-speed relation to find the time
So, as we know Distance = Speed × Time
On putting the values of distance and speed, we get
36 km = 48 km/hr × Time
On dividing both the sides by 48, we get
36/48 = (48×Time)/48
36/48 = Time
Time = 0.75
Hence, he will take 0.75 hr to reach home.
0.75 hr ≈ 45 minutes
As, 1 hr = 60 minutes
0.75 hr = 0.75 × 60 = 45 minutes
So, William will arrive home at 16:45
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0 . 476 × 10 to the 1st power
Answer:
4.76
Step-by-step explanation:
had this on a test today!
ERROR ANALYSIS Describe and correct the error in identifying congruent triangles. TUV=XYZ by the SSS Congruence Theorem.
The letters for XYZ are in the wrong order.
The correct statement should be [tex]\triangle TUV \cong \triangle ZYX[/tex]
============================================
Further Explanation:
The order of the letters matters when writing congruence statements.
The claim is that [tex]\triangle TUV \cong \triangle XYZ[/tex]
The first two letters of each are "TU" and "XY" in that order.
But notice how TU has a single tickmark, while XY has a double tickmark. The two sides are clearly different.
--------
Instead, the statement should be: [tex]\triangle TUV \cong \triangle ZYX[/tex] because of the following three facts:
TU = ZY (single tickmark)UV = YX (double tickmark)TV = ZX (triple tickmark)Notice that:
TU and ZY are the 1st two letters of TUV and ZYXUV and YX are the last two letters of TUV and ZYXTV and ZX are the 1st and 3rd letters of TUV and ZYXOne motorcycle travels 80 mph and the second motorcycle travels 60 mph. if the faster motorcycle travels 1 hr longer than the slower motorcycle and it also travels twice the distance of the slower motorcycle, what distance does each motorcycle travel?
Each motorcycle travel a distance of 240 miles for the faster motorcycle and 120 miles for the slower motorcycle.
An algebraic expression is the combination of numbers and variables in expressing and solving a particular mathematical question. An equation is the equality of expressions.
Let x = time it took the faster motorcycle to travel
If the faster motorcycle travels 1 hr longer than the slower motorcycle, then the slower motorcycle travels x - 1 hours.
The product of the rate of speed and time is equal to the distance.
Hence, the distance traveled by the faster motorcycle is 80x, while the distance traveled by the slower motorcycle is 60(x - 1).
If the faster motorcycle travels twice the distance of the slower motorcycle, then the distance traveled by the slower motorcycle is 80x/2.
60(x - 1) = 80x/2
Simplify and solve for x.
60(x - 1) = 80x/2
60x - 60 = 40x
20x = 60
x = 3
distance traveled by the faster motorcycle = 80x = 80(3) = 240 miles
distance traveled by the slower motorcycle = 80x/2 = (80)(3)/2 = 120 miles
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triangle
please solve asap
a) since all the angles on the triangle are next to a given angle we just subtract the given angle from 180 to find the unknown angle
180-150=30=x
180-80=100=y
180-130=50=z
Sum of All triangles angles is always 180 degrees but we can still check
30+100+50
130+50=180
Now for the B triangle every angle is across from it like this means the triangle angle is equal to that
a= 40 degrees
b= 95 degrees
c= 45 degrees
And this also equal 180 degrees
Hopes this helps please mark brainliest
Answer:
1st Question Answer:
X=30
y=100
z=50
2nd Question Answer:
a=40
b=95
C=45
Step-by-step explanation:
1st Question : Since the angles of a straight line add up to 180 , we can subtract the degree of the angle given by 180 which gives us the answer . also we can make certain the angle is right because angles of a traingle add up to 180
2nd Question: Since the angles in the second question are parallel (which means they are the same) . we can easily find the answer . we can make sure the answer is right by using the same way ( angles of a triangle add up to 180)