Help!!!! please!!!!!
Answer:
Hey there!
The correct answer would be a rectangle.
Answer:
Hey!
Your answer is definitely RECTANGLE!
Step-by-step explanation:
Hope this helps!
Are the expressions: 3n - 1n + 7 and 2n + 10 - 3, for n=5
Answer:
17 Which means they are equal
All you have to do is replace n in the equasion.
Step-by-step explanation:
3(5) - 1(5) + 7
=17
2(5) + 10 - 3
=17
Your school is donating items to the local food pantry. Your homeroom is
having a competition to see who will donate the most items. You have
already donated 14 items and plan to donate 3 more each week. Your
friend has already collected 8 items and plans to collect 5 more items
each week. How many weeks will it take for both of you to have collected
the same amount? How much will each of you have collected at that
time? *
Answer:
It will take 3 weeks for both of us to have collected the same amount. Each of us will have collected 23 items at that time.
Step-by-step explanation:
Let x=weeks
Me: y=14+3x
Friend: y=8+5x
14+3x=8+5x
14=8+2x
6=2x
3=x
y=14+3(3)=23
Given: abcd is a rectangle, M is midpoint of line AB prove: line DM is congruent to CM
DM is congruent to line CM because CDM is congruent to triangle CBM using the SAS congruence criteria for triangles.
Draw a diagram of the rectangle ABCD with M as the midpoint of AB. Draw lines CM and DM ( refer to the attached image). Since AB is a line segment, we know that AM is congruent to MB (because M is the midpoint of AB). Since ABCD is a rectangle, we know that AB is parallel to CD, and AD is parallel to BC. Thus, we have two pairs of parallel lines: AB and CD, and AD and BC.
Using the fact that opposite sides of a rectangle are congruent, we have CD = AB. Now, we have a pair of congruent sides (DM and CM) that are opposite each other in triangle CDM and CBM respectively. We also have another pair of congruent sides (CD and AB) that are opposite each other in both triangles. Finally, we know that the angle CMD is congruent to the angle CMB because they are vertical angles. By the Side-Angle-Side (SAS) congruence criterion, we can conclude that triangle CDM is congruent to triangle CBM.
Therefore, line DM is congruent to line CM by SAS congruence criteria.
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what is the set of all solutions to the equation 2 = − x 2 =−xsquare root of, x, plus, 2, end square root, equals, minus, x ?
The equation 2 = -x√(x + 2) - x has two potential solutions: x = -1 and x = -8. However, x = -8 does not satisfy the equation, so the set of all solutions is {x = -1}.
To find the set of solutions to the equation 2 = -x√(x + 2) - x, we can solve it algebraically.
Starting with the given equation, we can simplify it step by step:
2 = -x√(x + 2) - x
Adding x to both sides:
2 + x = -x√(x + 2)
Squaring both sides to eliminate the square root:
(2 + x)^2 = (-x√(x + 2))^2
Expanding and simplifying:
4 + 4x + x^2 = x^2(x + 2)
Simplifying further:
4 + 4x = x^3 + 2x^2
Rearranging terms:
x^3 + 2x^2 - 4x - 4 = 0
Factoring the equation:
(x + 1)(x^2 + x - 4) = 0
Setting each factor to zero:
x + 1 = 0 or x^2 + x - 4 = 0
Solving the first equation, we find x = -1.
For the second equation, we can use the quadratic formula:
x = (-1 ± √(1^2 - 4(1)(-4))) / (2(1))
x = (-1 ± √(1 + 16)) / 2
x = (-1 ± √17) / 2
However, when we substitute x = (-1 + √17) / 2 into the original equation, it does not satisfy the equation. Therefore, x = -8 is not a solution.
Hence, the set of all solutions to the equation is {x = -1}.
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The school's football team won 12 of the matches they played for the season. They lost 2 and fied 2. What percentage of the matches did they win?
Answer: 75%
Step-by-step explanation:
12+2+2= 16
12 wins/16 matches = 75%
Sam the trainer has two solo workout plans that he offers his clients: Plan A and Plan B. Each client does either one or the other (not both). On Wednesday
there were 5 clients who did Plan A and 3 who did Plan B. on Thursday there were 7 clients who did Plan A and 9 who did Plan B. Sam trained his Wednesday
clients for a total of 6 hours and his Thursday clients for a total of 12 hours. How long does each of the workout plans last?
Length of each Plan A workout:
Length of each Plan B workout:
Answer: 45 minutes for BOTH workouts
Step-by-step explanation:
Let time for plan a be x
Let time for plan b be y
On Wednesday
# of clients for plan a are 5
# clients for plan b are 3
On Thursday
# of clients for plan a are 7
# of clients for plan b are 9
Wednesday eqn --> 5x+3y=6
Thursday eqn --> 7x+9y=12
Multiply Wednesday equation by -3 and use elimination to solve
-15x-9y=-18
7x+9y=12
-8x=-6
x=6/8
Reduce: x=3/4 hour
Substitute x=3/4 into Thursday equation
7(3/4)+9y=12
9y=27/4
y=3/4
Therefore, the length of BOTH the plan a and plan b workouts were 45 minutes
Solve using the quadratic formula
By using the quadratic formula, the solution to this quadratic equation is equal to -0.5251 or -3.8081.
What is a quadratic equation?In Mathematics, a quadratic equation can be defined as a mathematical expression that can be used to define and represent the relationship that exists between two or more variable on a graph. In Mathematics, the standard form of a quadratic equation is given by;
ax² + bx + c = 0
Mathematically, the quadratic formula is modeled or represented by this mathematical expression:
\(x = \frac{-b\; \pm \;\sqrt{b^2 - 4ac}}{2a}\)
From the information provided, we have the following values;
3x² + 13x + 4 = 0
Where:
a = 3
b = 13
c = 4
Substituting the values into the quadratic formula, we have the following;
\(x = \frac{-(13)\; \pm \;\sqrt{(13)^2 - 4(3)(13)}}{2(3)}\\\\x = \frac{-13\; \pm \;\sqrt{169 - 72}}{6}\)
x = (-13 + √97)/6
x = -0.5251 or -3.8081.
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daily output of marathon's garyville, louisiana, refinery is normally distributed with a mean of 232,000 barrels of crude oil per day with a standard deviation of 7,000 barrels. (a) what is the probability of producing at least 232,000 barrels? (round your answer to 4 decimal places.)
The probability of producing at least 232,000 barrels is 0.5.
The standard normal distribution table:The standard normal distribution table, also known as the z-table, is a table that provides the probabilities for a standard normal distribution, which has a mean of 0 and a standard deviation of 1.
The table lists the probabilities for values of the standard normal distribution between -3.49 and 3.49, in increments of 0.01.
Here we have
Daily output of marathon's garyville, louisiana, refinery is normally distributed with a mean of 232,000 barrels of crude oil per day with a standard deviation of 7,000 barrels.
Since the daily output of the refinery is normally distributed,
we can use the standard normal distribution to calculate the probability of producing at least 232,000 barrels.
First, we need to standardize the value using the formula:
=> z = (x - μ) /σ
where:
x = value we want to calculate the probability for (232,000 barrels)
μ = mean (232,000 barrels)
σ = standard deviation (7,000 barrels)
=> z = (232000 - 232000) / 7000 = 0
Next, we look up the probability of producing at least 0 standard deviations from the mean in the standard normal distribution table.
This value is 0.5.
Therefore,
The probability of producing at least 232,000 barrels is 0.5.
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A piece of foam padding has a volume of 1,500 cm³ and a mass of 200 g.
What is the density of the foam?
The density of the piece of form will be 0.14 g/cm³.
What is density?Density is defined as the ratio of the mass of the object to the volume of the object. It does not depend upon the whole mass it only depends upon the mass per unit volume.
Volume is defined as the space occupied by the object in the three-dimensional space.
Given that a piece of foam padding has a volume of 1,500 cm³ and a mass of 200 g.
The density of the foam will be calculated as,
D = mass / Volume
D = 200 / 1500
D = 0.1333333333 or 0.14 g/cm³
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y=6x-3 in standard form
Answer:
It would be 6x - y = 3.
Please show work. Thanks
Combine the like terms to create an equivalent expression 11m + 1 + 3m +4
Answer:
14m + 5
Step-by-step explanation:
Answer:
14m+5
Step-by-step explanation
combining like terms when you add
11m + 3m
and
1 + 4
The organization sent
out 640 invitations to a
fundraiser. Of those
invited 416 attended.
What percent of the
people invited attended
the fundraiser?
Answer: 65%
Step-by-step explanation:
The organization sent out 640 invitations.
416 out of this 640 attended the fundraiser.
The percentage who attended is:
= 416/ 640
= 0.65
= 65%
Find an equation of the line perpendicular to the line 3x+6y=5 and passing through the point (1,3). Write the equation in the standard form.
The standard form of the equation of a line perpendicular to the line (3x + 6y = 5) and passing through the point (1, 3) is (2x - y = -1)
To determine the equation of a line perpendicular to the line (3x + 6y = 5) and passing through the point (1, 3), we can follow these steps:
1. Obtain the slope of the provided line.
To do this, we rearrange the equation (3x + 6y = 5) into slope-intercept form (y = mx + b):
6y = -3x + 5
y =\(-\frac{1}{2}x + \frac{5}{6}\)
The slope of the line is the coefficient of x, which is \(\(-\frac{1}{2}\)\).
2. Determine the slope of the line perpendicular to the provided line.
The slope of a line perpendicular to another line is the negative reciprocal of the slope of the provided line.
So, the slope of the perpendicular line is \(\(\frac{2}{1}\)\) or simply 2.
3. Use the slope and the provided point to obtain the equation of the perpendicular line.
We can use the point-slope form of a line to determine the equation:
y - y1 = m(x - x1)
where x1, y1 is the provided point and m is the slope.
Substituting the provided point (1, 3) and the slope 2 into the equation, we have:
y - 3 = 2(x - 1)
4. Convert the equation to standard form.
To convert the equation to standard form, we expand the expression:
y - 3 = 2x - 2
2x - y = -1
Rearranging the equation in the form (Ax + By = C), where A, B, and C are constants, we obtain the standard form:
2x - y = -1
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Please help me out with this problem, and an explanation would also be helpful. I was out of class for a couple days last week so I don’t really know what I’m doing. Thanks in advance
The missing length s in the triangle is 64736.
We are given that;
The triangle with shaded region area= 952yd2
Now,
By substituting the values in the area formula;
952=1/2 * s * h
952=1/2 * s * 34
s= 952 * 34 * 2
s= 64736
Therefore, by area the answer will be 64736.
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The population of China was about 1,360,000,000 people in 2014. Which number best approximates the population as a single digit times a power of 10?
Answer: 1 * 10^9
Step-by-step explanation:
1*10^9 = 1,000,000,000, which is the closest you can get.
Hope it helps <3
Which of the following functions is equivalent to the function below?
Select three that apply.
f(x)=(13)2x
g(x)=(23)−x
g(x)=9−x
g(x)=3x2
g(x)=(16)x
g(x)=(19)x
g(x)=3−2x
Answer:
g(x) = 3x2
g(x) = 16x
g(x) = 19x
Explanation:
Assuming that you're referring to f(x) = (13)2x, without much context, I'm going to assume that any of the ax + b, are going to be wrong. The the process of elimination, the only ones left are just x and a coefficient.
Hope that helps!
true or false A vector in Fn may be regarded as a matrix in Mn×1(F).
True, a vector in Fn can be regarded as a matrix in Mn×1(F).
In linear algebra, a vector is an ordered list of numbers, and it can be represented as a matrix with a single column. In other words, a vector in Fn, where n is the number of components in the vector, can be thought of as a matrix with n rows and 1 column, denoted as Mn×1(F). The "M" represents the number of rows, "n" represents the number of components in the vector, "1" represents the number of columns, and "(F)" indicates that the entries of the matrix are elements from the field F.
Therefore, a vector in Fn can be considered as a matrix in Mn×1(F).
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according to your text, which of the following is the primary source of primate endangerment today? habitat destruction human diseases social stress and dislocation use of primates for pets
Based on the text, the primary source of primate endangerment today is habitat destruction.
Habitat destruction is considered the primary source of primate endangerment based on various factors mentioned in the text. Primates, like many other species, heavily rely on their natural habitats for survival, including food, shelter, and breeding. However, human activities such as deforestation, urbanization, and land conversion for agriculture or infrastructure development have significantly reduced and fragmented primate habitats.
Habitat destruction leads to the loss of critical resources and disrupts the ecological balance necessary for primate populations to thrive. As their habitats shrink, primates face increased competition for limited resources, reduced access to food and water sources, and decreased opportunities for successful reproduction and rearing of offspring. This loss of habitat also exposes primates to increased vulnerability to predation, disease transmission, and human-wildlife conflicts.
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13. At high tide, the water level is 10 feet below a certain pier. At low tide the water level is
26 feet below the pier. Assuming sinusoidal, behavior, sketch a graph of y
water level, relative to the pier, at time t (in hours) if at t=
f(t)-the
and falling, until it reaches the first low tide at t = 3. Based on your sketch and the
0 the water level is -18 feet
information provided above, give a formula for f(t).
The graph of the water level, relative to the pier, at time t (in hours) can be represented by the formula f(t) = -8sin(πt/3) - 18, where f(t) denotes the water level in feet.
1. Given that at high tide, the water level is 10 feet below the pier, and at low tide, the water level is 26 feet below the pier.
2. The water level follows a sinusoidal behavior, indicating a sine function will be used to represent the graph.
3. Let's consider the sine function: y = A sin(B(t - C)) + D, where A represents the amplitude, B is the frequency, C is the horizontal shift, and D is the vertical shift.
4. Since the water level goes from 10 feet below the pier (high tide) to 26 feet below the pier (low tide), the amplitude of the sine function is (26 - 10) / 2 = 8.
5. The period of the sine function is the time it takes to go from one high tide to the next. Given that the first low tide occurs at t = 3, the period is 3 hours. Therefore, the frequency B = 2π / 3.
6. The horizontal shift C is 0 because the first low tide occurs at t = 3, and the starting point is at t = 0.
7. The vertical shift D is -18 because at t = 0, the water level is -18 feet.
8. Combining the information from steps 4, 5, 6, and 7, the formula for f(t) is f(t) = 8sin(πt/3) - 18, which represents the water level relative to the pier at time t in feet.
9. Sketching the graph using this formula will give a visual representation of the water level at any given time.
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Objects that are juxtaposed are: A. in a circle. B. near each other. C. far from each other. D. in a triangle.
Juxtaposition refers to the act of placing two or more objects or elements close to each other for the purpose of comparison, contrast, or creating a specific effect. Objects that are juxtaposed are "near each other." (Option B)
It suggests that the objects are positioned in close proximity or are adjacent to one another. Option A, "in a circle," does not accurately describe juxtaposition as it refers to objects arranged in a circular shape, rather than their proximity to each other. Option C, "far from each other," is the opposite of juxtaposition as it implies a significant distance between the objects. Option D, "in a triangle," refers to objects arranged in a triangular shape and does not capture the concept of proximity.
Therefore, the correct answer is Option B, "near each other," which accurately reflects the idea of objects being juxtaposed. Juxtaposition can occur in various contexts, such as in art, literature, design, or everyday situations where objects are deliberately placed in close proximity to create a visual or conceptual impact.
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a) Find f(t).
ℒ−1
e−????s
s2 + 1
f(t)=? + (?) (t - ?)
The value of function, f(t) for L⁻¹ ( e−s /(s²+ 1)) is equals to sin( t - π ) u(t-π) .
The Laplace transform is the essential term of the given derivative function. Moreover, it comes with a real variable (t) for converting into complex function with variable (s). For ‘t’ ≥ 0, let ‘f(t)’ be given, the Laplace transform of ‘f(t)’, denoted by 'L{f(t)}' or ‘F(s)’ is definable with the equation:
\( L(f(t)) = F(s) = ₀∫^{ \infty } e⁻ˢᵗ f(t)dt\)
we have L⁻¹ ( e−s /(s²+ 1))
Now, L⁻¹ (1 /(s²+ 1)) = sin(t)
so, L⁻¹ ( e−s /(s²+ 1)) = sin( t - π ) u(t-π)
where u(t-π) is unit of step function.
so, required function f(t) is sin( t - π ) u(t-π).
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Complete question:
Find f(t) ℒ−1 (e−s /(s²+ 1))
f(t)=? + (?) (t - ?)
The volume of a cylinder is 980 pie inches square the height of the cylinder is 20 inches what is the radius of the cylinder
Answer:
r≈3.95in
Step-by-step explanation:
hii pls help i’ll give you brainliest if you give a correct answer.
Answer:
1. 19.375 inches taller
2. 8.808 km farther
Step-by-step explanation:
Answer:
Step-by-step explanation:
1.19.375
2.8.808
for the reasoning you just show that you subtracted
What is the standard form for 9^2
Answer:
81
Step-by-step explanation:
i need help with this plz
Answer:
i would go with B
Step-by-step explanation:
I'm not too sure I'm so sorry but thats my closest guess
need help pls it for math
Answer:
B
Step-by-step explanation:
-4y-3<9
-4y<12
y<-3
==> B
this is worth 40 points so pls help! I need this ASAP.
I also need COMPLETE solution
Answer:
Shown below.
Step-by-step explanation:
Test Marks Tally Frequency Percentage
1 8 8/60 = 0.133
2 6 6/60 = 0.100
3 5 5/60 = 0.083
4 5 5/60 = 0.083
5 5 5/60 = 0.083
6 8 8/60 = 0.133
7 6 6/60 = 0.100
8 7 7/60 = 0.116
9 4 4/60 = 0.066
10 5 5/60 = 0.083
Total 59 59/60 = 0.983
For the Tally section, I believe you just fill in tally marks corresponding to the frequency. One of the observations in the table is 0, which is not a column in the frequency table.
Where would you place 5/8?
A.) integers, rational numbers, and real numbers
B.) Irrational numbers, real numbers
c.) whole numbers, integers, rational numbers, real numbers
D.) rational numbers, real numbers
Answer:
Option D
Step-by-step explanation:
Fractions are considered to be rational numbers because they are decimals that can be written as a fraction and since it's already wrote as a fraction but can be converted back to a decimal it is a rational number. The fraction is considered to be a real number because all rational numbers are real numbers and since we just proved that 5/8 is a rational number it is therefore a real number. Which means your answer is option D or "rational numbers, real numbers."
Hope this helps.