Answer:
yall help out alot
Step-by-step explanation:
Veronica can rollerblade 160 feet in 8 seconds. How many feet will she rollerblade in 30 seconds?
Which expression is equivalent to 25x â€" 45y?
A. 25(5x â€" 20y)
B. 5(5x - 9y)
C. 70(x â€" y)
D. 10(15x â€" 35y)
Answer:
D
Step-by-step explanation:
Somehting bknbye3uehnfhnjun Español uno, como sulfhídrica
Question: 18 The auditorium at McCaskey East High School in Lancaster, PA has 800 seats. Suppose that the drama club has a goal of making $3400 each night of their spring play to cover expenses and raise money for the club. Adult tickets are $7 and students/senior tickets are $4.
Based on the information, it should be noted that there be 67 adults and 733 students in the auditorium.
How to calculate the value?Let adults tickets = a
Let students tickets = s
The auditorium at McCaskey East High School in Lancaster, PA has 800 seats. This will be:
a + s = 800 ..... i
Therefore, suppose that the drama club has a goal of making $3400. This will be:
7a + 4s = 3400 ..... ii
From equation i, a = 800 - s.
7a + 4s = 3400
7(800 - s) + 4s = 3400
5600 - 7s + 4s = 3400
Collect like terms
-7s + 4s = 3400 - 5600
3s = -2200
s = 2200 / 3
s = 733
a = 800 - 733 = 67
Therefore, there'll be 67 adults and 733 students.
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Which is a perfect square?
6^1
6^2
6^3
6^5
Answer:
all of them
Step-by-step explanation:
Answer: 6^2
Step-by-step explanation: because the perfect squares are the squares of the whole numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, and so on. <3
Rewrite the equation in standard form.
3x−18=−x^2
Standard form: =0
Answer:
\(x^{2}\)+3x-18=0
Step-by-step explanation:
3x-18= -\(x^{2}\)
+\(x^{2}\) +\(x^{2}\)
----------------------
\(x^{2}\)+3x-18=0
How many hours of gaming a day is healthy?
Maximum two hours of gaming a day is healthy.
What is meaning of healthy?
Not just the absence of illness or infirmity, but also a complete condition of physical, mental, and social well-being, is what is meant by "health."
Additionally, twice as many parents of teen boys than teen girls report that their son plays video games daily. Teenage guys are also more likely to play video games for three or more hours.
The American Academy of Pediatrics advises limiting screen-based entertainment to no more than two hours each day. According to Radesky, parents should make a "media plan" that specifies how much time a kid can spend playing video games without having an impact on their behavior or their schoolwork.
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find x. pls asap
i need explanation as well
Answer:
7/5 or 1.4
Step-by-step explanation:
1. Cross multiply. 5(2x-1)= 3(3)
2. Simplify and add 5. 10x -5= 9. 10x = 14
3. Divide by 10. 10x/10 = 14/10
X= 14/10= 7/5 or 1.4
Hope this helps. Please mark Brainliest!
A computer monitor has a width of 14.60 inches and a height of 10.95 inches. What is the area of the monitor display in square meters? area How many significant figures should there be in the answer? 2 3 4 5
The area of the computer monitor display is approximately 0.103 square meters, with three significant figures.
The area of the monitor display in square meters is found by converting the measurements from inches to meters and then calculate the area.
The conversion factor from inches to meters is 0.0254 meters per inch.
Width in meters = 14.60 inches * 0.0254 meters/inch
Height in meters = 10.95 inches * 0.0254 meters/inch
Area = Width in meters * Height in meters
We calculate the area:
Width in meters = 14.60 inches * 0.0254 meters/inch = 0.37084 meters
Height in meters = 10.95 inches * 0.0254 meters/inch = 0.27813 meters
Area = 0.37084 meters * 0.27813 meters = 0.1030881672 square meters
Now, we determine the number of significant figures.
The measurements provided have four significant figures (14.60 and 10.95). However, in the final answer, we should retain the least number of significant figures from the original measurements, which is three (10.95). Therefore, the answer should have three significant figures.
Thus, the area of the monitor display in square meters is approximately 0.103 square meters, with three significant figures.
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let u and v be distinct vectors in a vector space v . show that {u, v} is linearly dependent if and only if u or v is a multiple of the other.
linearly independent sets of vectors form the building blocks of vector spaces, and understanding when sets of vectors are linearly dependent is crucial to understanding the structure of these spaces.
Suppose {u, v} is linearly dependent. Then there exist scalars a and b, not both zero, such that au + bv = 0. Without loss of generality, assume a is not zero. Then we can write u = -(b/a)v, which shows that u is a multiple of v. Similarly, if we assume b is not zero, we can write v = -(a/b)u, which shows that v is a multiple of u. Therefore, we have shown that if {u, v} is linearly dependent, then either u or v is a multiple of the other.
Conversely, suppose u = kv for some scalar k. Then ku + (-1)v = 0, so {u, v} is linearly dependent. Similarly, if v = ku for some scalar k, then (-1)u + kv = 0, so {u, v} is linearly dependent. Therefore, we have shown that if either u or v is a multiple of the other, then {u, v} is linearly dependent.
In conclusion, we have shown that {u, v} is linearly dependent if and only if u or v is a multiple of the other. This result is important in linear algebra because linearly independent sets of vectors form the building blocks of vector spaces, and understanding when sets of vectors are linearly dependent is crucial to understanding the structure of these spaces.
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how do we decide whether to use a t test or an analysis of variance (anova) to analyze the data from an experiment?
The best way to analyze their data for significance is to Conduct a two-way variable analysis.
As we can see, there is a 2x3 factorial design. Thus, we know that there will be a two level or two way analysis of variables, which is referred to as two way variables analysis. Factorial design is a research method that allows for the inquiry of a main and interaction effects of two or more independent variables on one or more outcome variables (s).
It has been argued that factorial designs represent the true beginning of modern behavioral research and have resulted in a significant paradigm shift in how social scientists conceptualize their research questions and produce objective results (Kerlinger & Lee, 2000).
Factorial design is an experimental methodology that goes beyond standard single-variable experimentation. Previously, social scientists were fixated on single independent variable experiments, foreshadowing the significance of extraneous variables that can attenuate or diminish research findings.
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X^2-18x complete the square
\(x^2 -18x \\\\=x^2 - 2 \cdot 9x +9^2 -9^2\\\\=(x-9)^2-81\)
Solving equation with shown steps plz and thank u <3
-8 - x=-3(2x - 4) + 3x
.Find the largest subset S on which the given vector - valued function is continuous?
F = ( t/9+t^4, 7t^2-7t+1, ln (t+3))
.
The largest subset S on which the vector-valued function F is continuous is the interval (-3, ∞).
To find the largest subset S on which the given vector-valued function is continuous, we need to examine the individual component functions and identify any restrictions or conditions that could cause discontinuities.
Component 1: f1(t) = t/(9 + t^4)
This function is a rational function. It will be continuous for all real values of t except where the denominator equals zero: 9 + t^4 = 0. However, there are no real values of t that satisfy this equation, so f1(t) is continuous for all real values of t.
Component 2: f2(t) = 7t^2 - 7t + 1
This function is a polynomial function, and polynomial functions are continuous for all real values of t. Therefore, f2(t) is continuous for all real values of t.
Component 3: f3(t) = ln(t + 3)
The natural logarithm function is defined for the positive values of its argument. Therefore, t + 3 > 0, which implies t > -3. Hence, the function f3(t) is continuous for t > -3.
Taking all these considerations into account.The function is continuous for all values of t greater than -3.
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14 pointsMr. Escamilla has a tent that is a triangular prism. The volume of the tentis 280 cubic feet, the width of the base is 8 feet, and the length is 10 feet.What is the height of the tent?8 ft10 ftO oftO 7ft8 ftO oft
We have to put the triangular side as the base.
So, the height of the tent is signified by the red line, h.
Shown below:
The volume of the triangular prism is area of triangle x height
V = A_T x h
Let's find the area of the triangle, A_T:
\(\begin{gathered} A_T=\frac{1}{2}bh \\ A_T=\frac{1}{2}(8)(h)_{} \\ A_T=4h \end{gathered}\)The height is 10.
The volume is 280.
Substituting into the formula, let's sovle for "h". Shown below:
\(\begin{gathered} V=A_T\times h \\ 280=4h\times10 \\ 40h=280 \\ h=\frac{280}{40} \\ h=7 \end{gathered}\)Answer7 ftDoes anyone know how much does a Toyota AE86 car gets for monthly car payments??
not math-related sorry
Answer:
$464
Step-by-step explanation:
If A =3L(2h+pie R)find r in terms of A,L,pie and R
The value of the equation is r = ( 1/2 ) ( A / 3L - πR )
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is
A = 3L ( 2r + πR ) be equation (1)
Now , on simplifying the equation , we get
( 2r + πR ) = A / 3L
Subtracting πR on both sides of the equation , we get
2r = A / 3L - πR
Divide by 2 on both sides of the equation , we get
r = ( 1/2 ) ( A / 3L - πR )
Therefore , the value of r is ( 1/2 ) ( A / 3L - πR )
Hence , the equation is r = ( 1/2 ) ( A / 3L - πR )
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a jar contains eight marbles. one of them is blue. if five marbles are independently drawn from the jar, what is closest to the probability that the blue marble is drawn twice? group of answer choices 0.001 0.015 0.105 0.196 not enough information given
The answer is closest to 0.196. This means that if we repeat the experiment many times, we would expect to draw the blue marble twice in approximately 19.6% of the trials.
We can solve this problem using the hypergeometric probability distribution. The hypergeometric distribution is used when we have a finite population and we want to calculate the probability of drawing a certain number of objects of a specific type without replacement.
In this case, the population consists of 8 marbles, one of which is blue. We want to calculate the probability of drawing the blue marble twice when we draw 5 marbles without replacement. The number of ways to choose 5 marbles out of 8 is given by the binomial coefficient:
C(8,5) = 56
The number of ways to choose the blue marble twice and the other three marbles from the remaining 7 is:
C(1,2) * C(7,3) = 35
Therefore, the probability of drawing the blue marble twice is:
P = 35/56 = 0.625.
The closest answer choice to this probability is 0.196. Therefore, the answer is closest to 0.196. This means that if we repeat the experiment many times, we would expect to draw the blue marble twice in approximately 19.6% of the trials.
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Can you guys help me with 15/8m-11=7/4m+1
Answer:
m=96
Step-by-step explanation:
\(\frac{15}{8}m-11=\frac{7}{4}m+1\\\\\frac{15}{8}m -\frac{7*2}{4*2}m=1+11\\\\\frac{15-14}{8}m=12\\\\\frac{1}{8}m=12\\\\m=12*8\\\\m=96\)
what is the general solution to the differential equation dydx=cos(8x)cos(4y)dydx=cos(8x)cos(4y) ?
The general solution to the differential equation `dy/dx = cos(8x)cos(4y)` is given below:Main Answer:Separating the variables in the given differential equation, we have `dy/cos(4y) = cos(8x) dx`Integrating both sides, we get:`1/4 sin(4y) = 1/8 sin(8x) + C`where C is the constant of integration.
Now, solving for y, we get:`y = 1/4 sin^{-1}(2sin(8x) + C)`where `sin^{-1}` denotes the inverse of sine function. So, this is the general solution to the given differential equation.Explanation:Given differential equation:`dy/dx = cos(8x)cos(4y)`Separating the variables:`dy/cos(4y) = cos(8x) dx`Integrating both sides:`∫ dy/cos(4y) = ∫ cos(8x) dx``1/4 ∫ sec^2(4y) dy = 1/8 sin(8x) + C``1/4 tan(4y) = 1/8 sin(8x) + C`
Now, solving for y:`tan(4y) = 1/2 sin(8x) + C`Dividing both sides by 4, we get:`y = 1/4 tan^{-1}(1/2 sin(8x) + C)`However, the inverse of the tangent function is a bit messy, so we use the identity:`tan^{-1}(x) = 1/2 i ln((i+x)/(i-x))`where `i` is the imaginary unit. Plugging in, we get:`y = 1/4 i ln((i+1/2 sin(8x) + C)/(i-1/2 sin(8x) - C))`This is the general solution to the given differential equation.
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Can you please help with this question. Please please
Answer:
Step-by-step explanation:
5.2*9= 46.8
Do you want to know how to find the answer? :/
In how many ways can 6 policemen be assigned to 12 coaches of a passenger train if he must ride in a different coach
The number of ways in which 6 policemen can be assigned to 12 coaches of a passenger train if he must ride in a different coach is 665,280.
The number of ways in which 6 policemen can be assigned to 12 coaches of a passenger train if they must ride in a different coach is given by :
12 × 11 × 10 × 9 × 8 × 7
This is because the first policeman can be assigned to any of the 12 coaches. Once he has been assigned to a coach, the second policeman can be assigned to any of the remaining 11 coaches.
Continuing in this way, the number of ways in which the policemen can be assigned to the coaches is:
12 × 11 × 10 × 9 × 8 × 7
Therefore, the number of ways in which 6 policemen can be assigned to 12 coaches of a passenger train if he must ride in a different coach is 665,280.
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find the z-score for the value 62, when the mean is 79 and the standard deviation is 4.
The z-score of the value 62 in the distribution is -4.25
How to determine the z-score of the value?From the question, the given parameters about the distribution are
Mean value of the set of data = 79
Standard deviation value of the set of data = 4
The actual data value = 62
The z-score of the data value is calculated using the following formula
z = (x - mean value)/standard deviation
Substitute the known values in the above equation, so, we have the following representation
z = (62 - 79)/4
Evaluate the difference
z = -17/4
Evaluate the quotient
z = -4.25
Hence, the z-score is -4.25
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The rectangular zoo must have a minimum area of 3200m^2 for the animals to have enough space to roam around with 25 people.
a) the clients have 220m of fencing to enclose the zoo. write an equation for the perimeter of fencing that is available for length in terms of width l(w)
b) the clients would like the area of the petting zoo to be maximized using the fencing that they have available. write an equation for the area of the fence in terms of width a(w)
The equation for width l(w)=110-w and for area A(w)=110w-w2.
The perimeter of the Rectangle could be considered one of the important formulae of the rectangle. It is the total distance covered by the rectangle around its outside. In Maths, you will come across many geometric shapes and sizes, which have an area, perimeter, and even volume (for 3-d figures).
The minimum area of the zoo is 3200 m2. for animals and 25 people.
(a)
The client has 220m of fencing to enclose the zoo.
P=2(l+w)
220=2(l+w)
we have A= l.w
3200=l.w
w = 3200/l
hence, the equation is -
\(220=2(l+\frac{3200}{l})\\110l=l^2+3200\\l^2-110l+3200=0\)
l(w)=110-w
(b) The equation for A(w) is-
A=l.w and l=110-w
A(w)=(110-w)w
\(A(w)=110w-w^2\)
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STORAGE COSTS According to a certain prediction equation, the cost of 200 square feet of storage space is $60. The cost of 325 square feet of storage space is $160. Find the slope of the prediction equation (in decimal form). Use the prediction equation to calculate the cost of 520 square feet. (use slash symbol to separate both answers, do not space)
Answer: for the first one it would be y=.8x-100 and the other answer would be 180
Let me know ASAP pls if it’s correct I found the answer online
Answer:
Full answer is
.8 for 1st one
and 360 for 2nd one
Step-by-step explanation:
Correct answer was given after wrong one.
Please answer with steps. Thank you and have a good day/night
The value of a of the given cube root expression is: a = 1
How to find the cube root of the expression?The cube root of a number is defined as that number which when multiplied 3 times gives us the original number. Whenever a number (x) is multiplied three times, then we can say that the resultant number is known as the cube of that number.
We are given the expression as:
∛(81x¹⁵y⁹)
Now, expressing this individually gives us the expression:
\(81^{\frac{1}{3} } * x^{\frac{15}{3}} * y^{\frac{9}{3}}\)
= 3¹x⁵y³
Thus, a = 1
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Can the triangles below be proven similar by the sas similarity postulate?
Answer:
Yes it can!
Step-by-step explanation:
In the given triangles,
∠B = ∠F
Also, ratio of sides given are
2.3/13.8 ≈ 1.67 -> (i)
And 1.9/11.4 ≈ 1.67 -> (ii)
Thus, (i) = (ii)
∴ AB/BF = BC/DF
So we can prove both triangles are similar as the two sides are proportional and the angle between the corresponding sides are equal, so we can use the SAS similarity postulate as the two sets of corresponding sides are proportional and the included angles are congruent .
which one is greater 3/10 or 2/5
Answer:
2/5
Step-by-step explanation:
2/5=4/10
Answer:
2/5 is great because it's 40%
3/10 is 30%
so 2/5 is greater
Consider the function given by f(x) = 7x² cos(x³) Give the Taylor series for this function centered at a = 0.
The Taylor series expansion of f(x) centered at a = 0 is:
f(x) = 7x² + (7/2)x⁴ + ...
To find the Taylor series expansion of the function f(x) = 7x² cos(x³) centered at a = 0, we need to compute its derivatives and evaluate them at x = 0.
Let's begin by calculating the derivatives of f(x):
f'(x) = d/dx [7x² cos(x³)]
= 14x cos(x³) - 21x⁴ sin(x³)
f''(x) = d²/dx² [7x² cos(x³)]
= 14 cos(x³) - 42x² sin(x³) - 63x⁵ cos(x³)
f'''(x) = d³/dx³ [7x² cos(x³)]
= -126x sin(x³) - 105x⁴ cos(x³) - 315x⁷ sin(x³)
To find the general form of the Taylor series expansion, we can evaluate the derivatives at x = 0:
f(0) = 7(0)² cos(0³) = 0
f'(0) = 14(0) cos(0³) - 21(0)⁴ sin(0³) = 0
f''(0) = 14 cos(0³) - 42(0)² sin(0³) - 63(0)⁵ cos(0³) = 14
f'''(0) = -126(0) sin(0³) - 105(0)⁴ cos(0³) - 315(0)⁷ sin(0³) = 0
Now we can write the Taylor series expansion by using the derivative evaluations:
f(x) = f(0) + f'(0)x + (f''(0)/2!)x² + (f'''(0)/3!)x³ + ...
Substituting the values we calculated:
f(x) = 0 + 0x + (14/2!)x² + (0/3!)x³ + ...
Simplifying, we have:
f(x) = 7x² + (7/2)x⁴ + ...
Therefore, the Taylor series expansion of f(x) centered at a = 0 is:
f(x) = 7x² + (7/2)x⁴ + ...
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classify the triangle by its sides and by measuring its angle 135
A triangle with an angle measuring 135 degrees is classified as an obtuse triangle, but its side lengths cannot be determined without additional information.
The classification of this triangle would be the "obtuse triangle." To classify a triangle by its sides and by measuring its angles, we will use two concepts called "triangle sides" and "triangle angles." The "triangle sides" classify the triangle by the length of its sides, while the "triangle angles" classify the triangle based on its angles. Let's first classify a triangle by its sides:
A triangle is a polygon with three sides. The classification of triangles is determined by their sides. When it comes to their sides, they may be classified as equilateral, isosceles, or scalene: An equilateral triangle has three sides that are of equal length.
An isosceles triangle has two sides that are of equal length. A scalene triangle has three sides that are all of different lengths. Next, let's classify a triangle by measuring its angles: When we classify a triangle by measuring its angles, we have three types: acute, right, and obtuse.
When a triangle has an angle that is less than 90 degrees, it is referred to as an acute triangle. When a triangle has an angle that is 90 degrees, it is known as a right triangle. When a triangle has an angle that is more than 90 degrees, it is known as an obtuse triangle.
Using these concepts, we can classify a triangle with the measurement of 135 degrees in the following ways: 135 degrees is more than 90 degrees, so it is an obtuse triangle. Additionally, there is no information given about the length of its sides, so we cannot classify the triangle based on the length of its sides.
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The volume of a solid hemisphere of radius r inches is equal to the curved surface area of a cone of base radius 6 inches and slant height 10 inches. What is the radius of the genus of the nearest tenth of an inch? A=4.5 B=5.5 C=6.5 D=7.5 (show work if u can, if not it’s fine)
Answer:Jesus
Step-by-step explanation: Jesus is always the answer, kiddo