Answer:
4
Step-by-step explanation:
1. the volume of the cone is:
\(V_c=\frac{1}{3}\pi hR^2,\)
where 'h' - the height of the cone, 'π' - 3.1415.
2. the volume of the sphere is:
\(V_s=\frac{4}{3}\pi *R^3,\)
where 'π' - 3.1415.
3. according to the condition:
\(V_c=V_s; => \frac{1}{3}\pi *h*R^2=\frac{4}{3} \pi*R^3; => h=4*R.\)
4. h=4R means 4 time the height of the cone is larger then R.
I need help with this and I’m new pls be nice to me pls
Answer:
The answer would be 9 - x because you can see the word fewer is in the problem and that means it's subtraction, and since we don't know what the number is they're subtracting by, we'd put x
Step-by-step explanation:
Help once again thanks! !!!!!!!
14Y - 7y = 35. solve for y
Answer:
y = 5
Step-by-step explanation:
\(14y-7y=35\\7y=35\\y=5\)
14 minus 7 is 7
7Y is equal to 35
divide both sides by 7 is equal to 5
evaluate the expression when b=5
Answer:
8. 10
11. 10
Step-by-step explanation:
put 5 instead of b
8. (15 - b)
= (15-5)
= (10)
11. b +b
= 5 +5
= 10
I will mark brainliest for best answer!
Answer:
a) 8 b)9 c)1 d) 3
Step-by-step explanation:
Find the volume. 11 yd 5 yd 6 yd
anwser it pls aaaaaaaassaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Answer:
Step-by-step explanation:
Volume = Bh
Turn the shape so the trapezoid is on the bottom/base
h=18 for overall shape
B = area of base, trapezoid
B = 1/2 (b₁ + b₂) h
b₁ = 11
b₂ = 25
h = 24 for trapezoid
B = 1/2 (11 + 25)(24)
B = 432
V = Bh
V = (432)(18)
V= 7776 in³
= Answer:
Find the y-intercept of 2x - y = -16
three friends meet to share their rock collection sarah has two rocks Camilla has three times as many rocks as sarah zachary has four times as many rocks as Camilla
Answer: (if that's the question?)
SARAH:: 2 rocks
CAMILLA:: 6 rocks
ZACHARY:: 24 rocks
Step-by-step explanation:
If Sarah has 2 rocks and Camilla has 3 times as many, then Camilla has 6 rocks because 2*3= 6
And if Camilla has 6 rocks while Zachary has four times as many as Camilla, then Zachary has 24 rocks because 6*4= 24
(hope this helps :)
 Hey guys, I would really appreciate if one of you help me with this question
Answer: 28.25%
Step-by-step explanation:
113/400=0.2825=28.25%
Julio has a net pay of $ 537.00 each paycheck. He pays $ 142.00 in pre-tax deductions and taxes each paycheck. What is Julio's gross income before the tax deductions?
Answer:
Julio's gross income before the tax deductions is $ 405.
Step-by-step explanation:
Given that Julio has a net pay of $ 537.00 each paycheck, and he pays $ 142.00 in pre-tax deductions and taxes each paycheck, to determine what is Julio's gross income before the tax deductions the following calculation must be performed:
547 - 142 = X
405 = X
Therefore, Julio's gross income before the tax deductions is $ 405.
ASAP
The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 80.8° is added to the data, how does the range change?
The range decreases to 44°.
The range increases to 52°.
The range stays 46°.
The range stays 48°.
If a value of 80.2° is added to the data, the range stays at 48º.
The mean of the data-set would change the most, and it would assume a value of 84º.
What is the mean and the range of a data-set?The mean of a data-set is given by the sum of all observations in the data-set divided by the number of observations. The range of a data-set is given by the difference between the highest value of the data-set by the smallest value of the data-set.
here, we have,
The highest and smallest high temperatures for the city are given as follows:
Smallest: 57º.
Highest: 105º.
Hence the range is obtained as follows:
105 - 57 = 48º.
80.2º would be neither the highest nor the smallest value in the data-set, which would then remain constant.
As it involves all values, it would be changed the most by changing the value of 58º to 101º, and would then assume a value of 84º.
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On monday, Maggie ran n miles. On tuesday, she ran 90% of the number of miles that she ran on Monday. On wednesday,she ran 50% of the miles that she ran on Tuesday
Answer:
+ 0.5 then 1.5 n
Step-by-step explanation:
Write the fraction below as a
percent. Round your percent to the
nearest tenth if necessary.
6
50
Answer - 12%
6/50 = 12/100
URGENT NEED ANSWERS •_•
A - on the po boyds at a emase the foot, 1, of building. He. Observes an obje- et on the top, P of the building at an angle of ele- building of 66 Aviation of 66 Hemows directly backwards to new point C and observes the same object at an angle of elevation of 53° · 1P) |MT|= 50m point m Iame horizontal level I, a a
Answer:
53\(x_{123}\) == 134 cf
Step-by-step explanation:
A - on the po boyds at a emase the foot, 1, of building. He. Observes an obje- et on the top, P of the building at an angle of ele- building of 66 Aviation of 66 Hemows directly backwards to new point C and observes the same object at an angle of elevation of 53° · 1P) |MT|= 50m point m Iame horizontal level I, a a
The height of the building is approximately 78.63 meters.
The following is a step-by-step explanation of how to solve the problem. We'll need to use some trigonometric concepts and formulas to find the solution.
Draw a diagram of the situation described in the problem to get a better understanding of the problem. The diagram would have a right-angled triangle with angle of elevation of 66° at the bottom left vertex and another angle of elevation of 53° at the bottom right vertex. The object on top of the building is at the vertex of the triangle. Point M and I on the diagram are points on the horizontal line of sight and on the ground respectively. We can label the diagram with the following values:Angle of elevation from point A = 66°Angle of elevation from point P = 53° Length of line segment AM = h Length of line segment MP = x Length of line segment IP = y Length of line segment MT = 50m. We'll use these values to calculate the length of h, which is the height of the building.Use the tangent ratio to find x:tan 66° = h / x => x = h / tan 66°. Use the tangent ratio to find y:tan 53° = h / y => y = h / tan 53°.We know that x + y = 50, so substituting the expressions for x and y from step 3 gives:h / tan 66° + h / tan 53° = 50h = 50 tan 66° tan 53° / (tan 53° + tan 66°) ≈ 78.63 m.Therefore, the height of the building is approximately 78.63 meters.
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linda Put $610 in a savings account that pays 1.2% interest each year. Enrique puts $590 in a high-yield account that pays 3.9% interest each year.
PART A: After one year who has more money? How much more?
PART B: After a second year who has more money? How much more?
PART A: Linda has $4.41 more than Enrique after one year.
PART B: Enrique has $12.10 more than Linda after the second year.
PART A: After one year, we can calculate the amount of money each person has in their respective accounts.
For Linda's account:
Principal amount = $610
Interest rate = 1.2%
\(Interest $ earned = Principal $ amount \times (Interest rate/100) = $610 \times (1.2/100) = $7.32\)
\(Total $ amount after one year = Principal amount + Interest earned = $610 + $7.32 = $617.32\)
For Enrique's account:
Principal amount = $590
Interest rate = 3.9%
\(Interest $ earned = Principal amount \times (Interest rate/100) = $590 \times (3.9/100) = $22.91\)
Total amount after one year = Principal amount + Interest earned = $590 + $22.91 = $612.91
Comparing the two amounts, after one year Linda has more money.
The difference in the amount is:
$617.32 - $612.91 = $4.41
Therefore, Linda has $4.41 more than Enrique after one year.
PART B: After a second year, we need to calculate the amounts again.
For Linda's account:
Principal amount = $617.32
Interest rate = 1.2%
\(Interest earned = Principal amount \times (Interest rate/100) = $617.32 \times (1.2/100) = $7.41\)
Total amount after the second year = Principal amount + Interest earned = $617.32 + $7.41 = $624.73
For Enrique's account:
Principal amount = $612.91
Interest rate = 3.9%
\(Interest earned = Principal amount \times (Interest rate/100) = $612.91 \times (3.9/100) = $23.92\)
Total amount after the second year = Principal amount + Interest earned = $612.91 + $23.92 = $636.83
Comparing the two amounts, after the second year Enrique has more money.
The difference in the amount is:
$636.83 - $624.73 = $12.10
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Can someone pls explain
163. The distance between A(-5, 6) and B(5, -5) is: AB ≈ 14.9 units
164. Applying the Pythagorean theorem, we have: Diagonal ≈ 21.2 ft.
165. Marissa's final answer is wrong. It should be, c = √676 = 26 units.
166. Missing side = 29 ft.
What is the Pythagorean Theorem?The Pythagorean theorem states that c² = a² + b², given that a and b are shorter legs and c is the hypotenuse or longest leg of the right triangle.
163. The distance between A(-5, 6) and B(5, -5):
AB = √[(5−(−5))² + (−5−6)²]
AB = √221
AB ≈ 14.9 units
164. Apply the Pythagorean theorem to find the diagonal:
Diagonal = √(15² + 15²) ≈ 21.2 ft.
165. The answer Marissa got is wrong. The final answer which is the square root of 676 is:
c = √676 = 26 units.
166. Missing side = √(20² + 21²) = 29 ft.
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Simplify this expression: 4(1-2b)+7b-10
Answer:
-b-6
Step-by-step explanation:
4(1-2b)+7b-10 multiply inside the parenthesis with 4
4 - 8b + 7b - 10 now add like terms
-b - 6
Answer:
-b-6
Step-by-step explanation:
\(4(1-2b)+7b-10\\\)
Expand
\(4\left(1-2b\right):\quad 4-8b\)
\(=4-8b+7b-10\)
Simplify
\(\mathrm{Simplify}\:4-8b+7b-10:\\\\\quad -b-6\)
Suppose you have 24 CDs. You know that you have 7 more CDs than your friend. Write and solve an equation to find the number of CDs your friend has.
a. 24 + 7 = n; 31
b. 24 + n = 7; –17
c. n + 7 = 24; 17
d. n – 7 = 24; 31
Continues (- infinity , infinity) find c
[ cx^2 + 8x
if x < 5
X^3 - cx if x> 5
It sounds like you're asked to find c such that f(x), defined by
\(f(x)=\begin{cases}cx^2+8x&\text{for }x<5\\x^3-cx&\text{for }x>5\end{cases}\)
is continuous at x = 5.
With the strict inequalities given in the definition, this is not possible. So you probably meant to use ≤ or ≥ in one of the pieces of the definition.
In order for f(x) to be continuous at x = 5, the limit from either side as x approaches 5 must be the same.
We have
\(\displaystyle\lim_{x\to5^-}f(x)=\lim_{x\to5}(cx^2+8x)=25c+40\)
and
\(\displaystyle\lim_{x\to5^+}f(x)=\lim_{x\to5}(x^3-cx)=125-5c\)
Then
\(25c+40=125-5c\implies30c=85\implies c=\dfrac{85}{30}=\boxed{\dfrac{17}6}\)
The pentagons ABCDE and JKLMN are similar.
Find the length x of JK.
The value of x in the pentagon JKLMN is 7.2.
What is Polygon?A polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain.
The pentagons ABCDE and JKLMN are similar.
when two figures have the same shape but their sizes are different, then such figures are called similar figures.
We need to find the value of x.
1/1.8=4/x
Apply cross multiplication
x=4×1.8
x=7.2
Hence, the value of x in the pentagon JKLMN is 7.2.
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what equation defines a line that intersects the graph of 6x-2y=10 exactly once?
Any line with a slope different than 3 will intercept the given line only once.
What equation defines a line that intersects the graph?The answer will be any line that is not parallel (nor the same) to the given line.
Remember two lines are parallel if the lines have the same slope and different y-intercept
In this case, the given linear equation is:
6x - 2y = 10
y = 3x - 5
So the slope is 3 and the y-intercept is -5.
Then, any line with a slope different than 3 will intercept this line only once.
An example can be:
y = 314*x
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(1 point)
Calculate the directional derivative of f(x, y) = cot-'(xy) in the direction of v = -4i + 5j at the point P = (0.5, 0.5).
Remember to normalize the direction vector.
DS(0.5, 0.5) =
Looks like f(x, y) = cot⁻¹(xy), as in the inverse cotangent.
If you're like me and you don't remember the derivative of the inverse trig functions, we can derive it as follows. Let y = cot⁻¹(x), so that for appropriate x we can write cot(y) = x. By the chain rule, differentiating both sides gives
-csc²(y) y' = 1
y' = -sin²(y) = -sin²(cot⁻¹(x)) = - 1 / (x² + 1)
Next, recall that the derivative of a function f(x, y) at a point (a, b) in the direction of a vector v is given by
∇ f(a, b) • v
Compute the gradient ∇ f(x, y) :
∇ f(x, y) = - y / ((xy)² + 1) i - x / ((xy)² + 1) j
At the point P, we have
∇ f(x, y) = - 8/17 i - 8/17 j
So, the derivative of f at P along v = - 4 i + 5 j is
(- 8/17 i - 8/17 j) • (- 4 i + 5 j) = - 8/17
Find the values of x and y
Answer:
x = 29.44
y = 34
Step-by-step explanation:
For this problem, we will simply use trigonometry to find the values of y and x for the given triangle.
The two trigonometric functions we will use are tangent and sine.
The general form for tangent is:
tan (Θ) = opposite / adjacent
The general form for sine is:
sin (Θ) = opposite / hypotenuse
For our given triangle, let's solve for x.
tan (30) = 17 / x
x * tan(30) = (17 / x) * x
x tan(30) = 17
x tan(30) * ( 1 / tan(30) ) = 17 * ( 1 / tan(30) )
x = 17 / tan(30)
x = 29.44
Now, let's solve for y.
sin (30) = 17 / y
y * sin(30) = (17 / y ) * y
y sin (30) = 17
y sin (30) * ( 1 / sin(30) ) = 17 * ( 1 / sin(30) )
y = 17 / sin(30)
y = 34
Hence, the values of x and y in our triangle are as follows:
x = 29.44
y = 34
Cheers.
A store can increase its profit by increasing the price of the sweaters that it sells. The relation between the income, R, in dollars, and the dollar increase in the price per sweater, d, can be modelled by the equation R--50(d - 3.5)* + 4500. What is the maximum possible income? a. S4500.00 b. S3887.50 c. $50.00 d. $3.50
A. $4500
To find the maximum possible income, we need to find the maximum value of R with the given formula. In this case, you can find the maximum value of R by setting the derivative of R with respect to d to 0 and solving for d.
The derivative of R after d is
R' = -50(d - 3.5)
Setting this to 0 and solving for d yields:
0 = -50 (days - 3.5)
d = 3.5
Substituting this value of d into the original R formula yields:
R = -50 (3.5 - 3.5) + 4500
= 4500
So the maximum possible income is 4500 USD this is the correct answer among the four choices
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What’s the correct answer for this?
Answer:
Answer is the first one :)
Step-by-step explanation:
√(-7-5)² + (-7-9)²
answer is 20
hope this helps
Answer:
A.
Step-by-step explanation:
In the attached file
Identify the number of solutions of the system of linear equations.
x=y+3z=6
x-2y = 5
2x - 2y + 5z = 9
no solution
exactly one solution
infinitely many solutions
Solve the system. If there are infinitely many solutions, write the ordered triple in terms of z. If there is no solution, lea
The solution is (x, y, z)
-1.2
3
The solution to the system of linear equations is (x, y, z) = (64/11, 37/11, 9/11). The system has exactly one solution.
Let's solve the system of linear equations correctly.
The given system of linear equations is:
x = y + 3z = 6
x - 2y = 5
2x - 2y + 5z = 9
To determine the number of solutions, we can analyze the system using the method of elimination or substitution. Let's use the method of elimination:
From equation 1, we have:
x = y + 3z
Substituting this value of x in equation 2:
(y + 3z) - 2y = 5
y + 3z - 2y = 5
-z + 3z = 5 - y
2z = 5 - y
Now, let's substitute the value of x in equation 3:
2(y + 3z) - 2y + 5z = 9
2y + 6z - 2y + 5z = 9
11z = 9
Simplifying the equation, we find:
z = 9/11
Now, substituting this value of z back into the equation 2z = 5 - y, we get:
2(9/11) = 5 - y
18/11 = 5 - y
18/11 - 5 = -y
18/11 - 55/11 = -y
-37/11 = -y
y = 37/11
Finally, we can substitute the values of y and z into equation 1 to find the value of x:
x = y + 3z
x = 37/11 + 3(9/11)
x = 37/11 + 27/11
x = 64/11
Therefore, the solution to the system of linear equations is (x, y, z) = (64/11, 37/11, 9/11).
The system has exactly one solution.
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Airline companies are interested in the consistency of the number of babies on each flight, so that they have adequate safety equipment. Suppose an airline conducts a survey. Over Thanksgiving weekend, it surveys 6 flights from Boston to Salt Lake City to determine the number of babies on the flights. R determines the amount of safety equipment reeded by the result of that study. Select the things that were wrong with the way the survey was conducted. Conducting the survey on a holiday weekend will not produce representative results The survey uses systematic sampling. The survey was conducted using six similar flights. The survey would not be a true representation of the entire population of air travelers. Choosing 6 flights represents a stratified sample. Select the ways that you would improve the survey if it were to be repeated. Ask travelers to fill out a questionnaire Conduct the survey at the entrance to the airport. Conduct the survey during different times of the year. Conduct the survey on different days of the week. Conduct the survey using flights to and from various locations
Survey was wrong: holiday, systematic sample, 6 similar flights. To improve: questionnaire, various times/locations, entrance, different days.
The problems with the survey conducted by the airline are:
1) Conducting the survey on a holiday weekend is not representative of the entire population of air travelers;
2) The survey uses systematic sampling which may not accurately reflect the entire population;
3) The survey was only conducted on 6 similar flights and does not represent the entire population of air travelers.
To improve the survey, the following steps can be taken:
1) Ask travelers to fill out a questionnaire;
2) Conduct the survey at the entrance to the airport;
3) Conduct the survey during different times of the year;
4) Use various days of the week to conduct the survey;
5) Conduct the survey using flights to and from various locations.
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What is the value of x?
98°
Answer:
x = 139
Step-by-step explanation:
Isosceles triangle.
Let the equal angles = y
y + y + 98 = 180 {Sum of all the angles of triangles}
2y + 98 = 180
2y = 180 - 98
2y = 82
y = 82/2
y = 41
x = 41 + 98 { exterior angles equals the sum of interior opposite angles}
x = 139