as already suggested, we can simply get the whole volume of the larger cone and then get the volume of the upper-smaller cone and if we subtract the volume of the upper-smaller cone, in essence making a hole in the larger cone, what's leftover is the shaded part.
[tex]\stackrel{ \textit{\LARGE Larger} }{\textit{volume of a cone}}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=4\\ h=10 \end{cases}\implies V=\cfrac{\pi (4)^2 (10)}{3} \\\\\\ \stackrel{ \textit{\LARGE Upper-Smaller} }{\textit{volume of a cone}}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=2\\ h=4 \end{cases}\implies V=\cfrac{\pi (2)^2 (4)}{3} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\cfrac{\pi (4)^2 (10)}{3}~~ - ~~\cfrac{\pi (2)^2 (4)}{3}\implies \cfrac{160\pi }{3}-\cfrac{16\pi }{3}\implies \cfrac{160\pi -16\pi }{3} \\\\\\ \cfrac{144\pi }{3} ~~ \approx ~~ \text{\LARGE 150.80}~cm^2[/tex]
Simplify: 5x(5) - 2x +3
Answer:
The answer I got was 23x +3 because I multiplied the two fives together and that gives you 25x then I subtracted the 2x from the 25x and I got 23x and then I just added the +3 to the end of the 23x and that is how I got 23x +3.
Solve the inequality 8k−(2k−1)≥7k−21, and write the solution in interval notation.
Answer:
k∈(-∞;22]
Step-by-step explanation:
I added a photo of my solution
Find the area of the shaded triangle or quadrilateral.
Answer:
For the Triangle it is 3 and for the quadrilateral,(trapezoid) it is 10.5
Step-by-step explanation:
for the triangle do bxh/2. and for the trapezoid divide it into a square and triangle.
please i need it quick
Answer:
98 degrees
Step-by-step explanation:
angle 3 and angle 4 are supplementary angles, since they together add up to 180 degrees.
Since we know angle 3, we can subtract that from 180 degrees to find angle 4:
180 - 82 = 98.
Therefore, angle 4 is 98 degrees.
I need help with this please
The snow that will be gotten daily of the line plot is redistributed equally will be 1/2.
What is a line plot?A line plot, also known as a line graph, is a type of graph that displays information as a series of data points connected by straight lines. Line plots are often used to show how a particular variable changes over time or to compare two or more variables.
To create a line plot, you typically need to have a set of data points that represent the variable you want to graph. You then plot each data point on a graph, with the x-axis representing time or some other variable, and the y-axis representing the value of the variable you're graphing.
The snow that will be gotten daily of the line plot is redistributed equally will be:
= (1/8 + 2/8 + 3/8 + 4/8 + 5/8 + 6/8 + 7/8 + 8/8) / 9
= 36/8 / 9
= 1/2
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Help me please 15 points
In given Histogram, The fraction of shows that was more than half full was 2/3 i.e. C.
What exactly is a histogram?
A histogram is a graphical depiction of numerical data distribution. It entails splitting the data range into intervals or bins and counting how many data points fall into each bin. Bins are often stated as non-overlapping, sequential intervals of a variable. The count or frequency of data points in the respective bin is represented by the height of each bar on the graph. Histograms are often used in statistics to illustrate data distribution and to find trends, outliers, and other data properties.
Now,
Given that
Total shows shown were=3+0+7+10+7+3=30
Show which has more than 150 viewers=1+7+3=20
then,
The fraction of shows that was more than half full =20/30⇒2/3.
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In a circle with radius 7, an angle measuring π radians intercepts an arc. Find the length of the arc in simplest form.
Answer: the length of an arc intercepted by an angle in a circle is L = rθ, where L is the length of the arc, r is the radius of the circle, and θ is the central angle in radians.
Using this formula, we can find the length of the arc intercepted by an angle of π radians in a circle with radius 7:
L = rθ = 7π/1 = 7π
Therefore, the length of the arc is 7π units. This is already in its simplest form since π is a constant that cannot be simplified further.
Step-by-step explanation:
g(x)= 0.5|x+1|. Edit the transformation Function. Use y= +A|x-C| + D
The transformation of the function G(x) in the form of y = +A| x - C| + D is -
y = 0.5| x + 1| + 0.5
What is a function?
In mathematics, a function is a unique arrangement of the inputs (also referred to as the domain) and their outputs (sometimes referred to as the codomain), where each input has exactly one output and the output can be linked to its input.
To write the transformation of the function G(x) = 0.5|x+1| in the form y = +A |x - C| + D, we need to find the values of A, C, and D.
First, let's rewrite the given function in the form of |x - C| -
G(x) = 0.5 | x + 1| = 0.5| x - (-1)|
Comparing with the standard form y = A | x - C| + D, we have -
A = 0.5, C = -1
To find the value of D, we need to substitute a point on the graph of G(x) into the function and solve for D.
Let's use the point (-2, 1) -
G(-2) = 0.5|-2+1| = 0.5
So, we get D = 0.5.
Therefore, the transformation of the function is y = 0.5| x + 1| + 0.5.
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Kimmy is at track practice she starts by walking 0.25 km as a warm-up then she runs 2 km she feels tired after running that far so she only walk 0.15 km to cool down if the truck is 400 m long how many times did Kimmy go around the track
Kimmy went around the track 6 times.
What is Track practice ?Track practice typically refers to a training session or practice session for athletes who participate in track and field events such as running, jumping and hurdling.
Kimmy's total distance covered during her warm-up, run, and cool-down is:
0.25 km + 2 km + 0.15 km = 2.4 km
To find how many times Kimmy went around the track, we need to convert the total distance to laps.
Since the track is 400 m long, we can divide 2.4 km by 0.4 km to get:
2.4 km ÷ 0.4 km/lap = 6 laps
Therefore, Kimmy went around the track 6 times.
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How many three-digit positive integers x are there, such that subtracting
the sum of digits of × from x gives a three-digit number whose digits are all
the same?
Answer:
Let's call the three-digit number whose digits are all the same "n". We know that n must be between 111 and 999, inclusive.
Now let's consider a three-digit number x. We can write x as:
makefile
Copy code
x = 100a + 10b + c
where a, b, and c are the hundreds, tens, and one's digits of x, respectively. The sum of the digits of x is:
CSS
Copy code
a + b + c
If we subtract this sum from x, we get:
CSS
Copy code
100a + 10b + c - (a + b + c) = 99a + 9b
We want this to be equal to n, which means:
Copy code
99a + 9b = n
We know that n has three identical digits, so we can write:
makefile
Copy code
n = 111p
where p is a digit between 1 and 9. Substituting this into the equation above, we get:
CSS
Copy code
99a + 9b = 111p
11a + b = 37p
Since a and b are digits between 0 and 9, we can see that 37p must be between 0 and 99. The possible values of p are therefore 1, 2, and 3.
If p = 1, then 37p = 37, and we need to find two digits a and b such that 11a + b = 37. This gives us the solutions (a, b) = (3, 4) and (a, b) = (4, 3), which correspond to the numbers 343 and 434.
If p = 2, then 37p = 74, and we need to find two digits a and b such that 11a + b = 74. There are no such solutions since the largest possible value of 11a + b is 99.
If p = 3, then 37p = 111, and we need to find two digits a and b such that 11a + b = 111. This gives us the solution (a, b) = (10, 1), which corresponds to the number 1001. However, 1001 is not a three-digit number, so it does not count.
Therefore, the only two three-digit numbers that satisfy the conditions of the problem are 343 and 434. There are 2 such numbers.
Step-by-step explanation:
Two brothers, Mark and Brian, each inherit $39000 . Mark invests his inheritance in a savings account with an annual return of 2.1% , while Brian invests his inheritance in a CD paying 5.6% annually. How much more money than Mark does Brian have after 1 year?
Answer: 4.2
Step-by-step explanation:
Help me solve this. Thank you
the total area under the normal distribution curve is 0.9632.
How to find total area under the normal distribution curve?
To find the total area under the normal distribution curve, we can use the standard normal distribution table or a calculator with a normal distribution function. We need to find the areas to the left and right of the given z-scores and add them together.
First, we can find the area to the left of z = -2.15 using the standard normal distribution table or a calculator with a normal distribution function. The area to the left of z = -2.15 is the same as the cumulative probability of a standard normal distribution with a z-score of -2.15. Using a standard normal distribution table or a calculator, we find this area to be 0.0158.
Next, we can find the area to the right of z = 1.62 using the standard normal distribution table or a calculator with a normal distribution function. The area to the right of z = 1.62 is the same as the complement of the cumulative probability of a standard normal distribution with a z-score of 1.62. Using a standard normal distribution table or a calculator, we find the complement to be 0.0526. Therefore, the area to the right of z = 1.62 is 1 - 0.0526 = 0.9474.
Finally, we can add the area to the left of z = -2.15 and the area to the right of z = 1.62 to find the total area under the normal distribution curve:
S = area to the left of z = -2.15 + area to the right of z = 1.62
S = 0.0158 + 0.9474
S = 0.9632
Therefore, the total area under the normal distribution curve is 0.9632.
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URGENT!! ILL GIVE
BRAINLIEST! AND 100 POINTS
The answer Choices are:
5-n=x
2(n + 9)
X=n -5
3n/7
2n + 9
(3n)(7)
Answer:
Step-by-step explanation:
1st box: it mentions "Quotient" meaning divide, if you look at the answer choices only 1 of them has division sign (the fraction one, division can e seen with ÷ or as a fraction)
2nd box: mentions "less" meaning subtract, there are two answer choices with a subtraction sign, do note subtraction-related word problems are counter intuitive (the opposite of what you would think). You would think its 5-x since it mentions "5" then the "n" BUT, if you think it about it, the problem is saying there taking 5 away FROM n, so, its x-5
3rd box: it mentions "sum" meaning addition, and "twice a number" meaning 2n. So, its 2n +9
4th box: it mentions " 2 times the sum of" pay attention to the "of" part because it signifies that the "2" part of this problem is multiplied by a conjunction of two terms. So its 2(n+9)
**you could use your deductive reasoning skills to figure it out. Since the problem mentions addition and since the answer choices leave you with one addition-related answer choice, it has to be 2(n+9)**
5th box: it mentions "product" meaning multiply, also mentions "3 times a number" meaning 3n. So its, (3n)(7)
6th box: After solving the previous 5 problems, the only answer is 5-n=x, so that's the answer for the 6th box
~lmk if u got Qs
Y=6-x4/3algebraic method
Answer:
Step-by-step explanation:
How can I solve this?
Answer:
Step-by-step explanation:
linear function
straight line
Write four tasks that you can do using you Computer
Jon Marc is ordering bark dust for two clients. Each client has a circular flower bed. Jon Marc
knows the radius of one flower bed is 6.5 feet and the diameter of the other is 30 feet. How
many square feet of bark dust should Jon Marc order?
The total area square feet of bark dust should Jon Marc order is 839.1 square feet.
What is area?
The region that an object's shape defines as its area. The area of a figure or any other two-dimensional geometric shape in a plane is how much space it occupies.
Here we know that , area of the circle = [tex]\pi r^2[/tex] square unit.
Now radius of one flower bed = 6.5 feet. Then,
Area of the bed = [tex]3.14\times 6.5^2[/tex] = 132.6 square feet,
Now diameter of another bed = 30 feet then,
Radius = 30/2 = 15 feet. Then
Area of the bed = [tex]3.14\times15^2[/tex] = 706.5 square feet.
Then total square feet of bark dust should Jon Marc order is
=> 132.6 + 706.5 = 839.1 square feet.
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here's the picture pls help
The volume of the square based cuboid is 160 cm³.
What is the volume of the square based cuboid?A rectangular prism is simply a three-dimensional solid shape which has six faces that are rectangles.
The volume of a rectangular prism is expressed as;
V = w × h × l
Since the cuboid has a squared base.
Width w = 4cmLength l = 4cmHeight h = 10cmPlug in the given values and solve for the volume.
Volume = w × h × l
Volume = 4cm × 10cm × 4cm
Volume = 160 cm³
Therefore, the volume is 160 cubic centimeters.
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Use appropriate formulas to find (a) the perimeter and (b) the area of the figure.
(a) The perimeter is
(b) The area is
17 cm
17 cm
Answer:
perimeter=68cm
area=289cm^2
Step-by-step explanation:
the perimeter is 17+17+17+17=68cm
the area is 17×17=289cm^2
Properties of Parallelograms
Answer:
In a parallelogram opposite sides are parallel to each other
Step-by-step explanation:
the opposite sides are equal that's why it is called parallelogram
useing distributive property to write an expression that is equivalent to 6(10I+7)
Answer:
JEWS = LIES
BLACK PPL(LIKE ME) =TRUTH
:}
Step-by-step explanation:
Root of the equation
Answer:
A fancy way of saying "solutions" of the equation
Emir, Katherine, Dylan and Anna Who earned enough money to attend the festival?
Therefore , the solution of the given problem of unitary method comes out to be able to afford the festival because 120 is larger than 70.
What is an unitary method?To accomplish the task, one may use this generally accepted ease, preexisting variables, as well as any significant components from the original Diocesan customizable query. If so, there might be an opportunity to interact with the item once more. Otherwise, every significant factor that affects how algorithmic evidence behaves will be gone.
Here,
The following chart allows us to determine each person's earnings:
=> Person 1: 2 hours times $8 per hour = $16
=> Person 2: $4 hours x $8 per hour = $32 per person
=>Person 3: 3 hours x $8 per hour = $24 per person.
=> Person 4: 5 hours x $8 per hour = $40.
=> Person 5: One hour times $8 per hour equals $8.
Each person needs to bring at least $70 in order to join the festival. As a result, the disparity shown below can be used to describe this circumstance:
=> 16 + 32 + 24 + 40 + 8 ≥ 70
Simplifying the inequality's left side, we obtain:
=> 120 ≥ 70
We can infer that all of the friends were able to afford the festival because 120 is larger than 70.
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If it is 10:41 now what time will it be in 18 hours 17 minutes
Answer : 04:48 AM
:)
Answer:
4:58
Step-by-step explanation:
10+18 = 28
28/12 = 2 r4
41+17 = 58
8. Compare the numbers in the following sequence and try to determine what the next number
should be.
6, 9, 18, 21, 42, 45, ?
Answer:
90
Step-by-step explanation:
this is the pattern: +3, *2, +3, *2, +3
so theoretically the next number would be 90.
The next number is 90.
If you observe the pattern the second number is +3 of the first number and the third number is ×2 of the second number following this pattern.
6+3=9
9×2=18
18+3=21
21×2=42
42+3=45
45×2=90
Therefore 90 is the right answer.
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PLEASE HELP! DUE TODAY!!
SHOW WORK!!!!
Answer:
Step-by-step explanation:
The sum of the measures of angles DAC and CAB must equal the measure of angle DAB, since they are adjacent angles that share a common vertex, A. Therefore, we have:
(DAC) + (CAB) = (DAB)
Substituting the given values, we get:
(2y - 7) + (3y + 2) = (DAB)
Simplifying and solving for y, we get:
5y - 5 = (DAB)
y = (DAB + 5) / 5
Now we can find the measure of angle CAB by substituting y back into the given expression for CAB:
<CAB = (3y + 2) = 3[(DAB + 5)/5] + 2 = (3DAB + 17)/5
Therefore, the measure of angle CAB is (3DAB + 17)/5 degrees.
A patient has a choice between four different prescription plans through their health insurance. The options are:
Option A: $105 monthly premium with a $15 co-pay per prescription
Option B: $100 monthly premium with a $20 co-pay per prescription
Option C: $115 monthly premium with a $10 co-pay per prescription
Option D: $110 monthly premium with a $12 co-pay per prescription
Which option is the most expensive if the patient fills 7 prescriptions each month?
O Option A
O Option B
O Option C
O Option D
Option B is the most expensive, with a total cost of $240 per month if the patient fills 7 prescriptions per month.
Which option is the most expensive if the patient fills 7 prescriptions each month?To determine which option is the most expensive, we need to calculate the total cost for each option if the patient fills 7 prescriptions per month.
For Option A, the total cost would be:
(7 x $15) + $105 = $210
For Option B, the total cost would be:
(7 x $20) + $100 = $240
For Option C, the total cost would be:
(7 x $10) + $115 = $185
For Option D, the total cost would be:
(7 x $12) + $110 = $194
Therefore, Option B is the most expensive, with a total cost of $240 per month if the patient fills 7 prescriptions per month. The other options are cheaper, with Option C being the least expensive at $185 per month.
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A mail-order computer business has four telephone lines. Let X denote the number of lines in use at a specified time. Suppose the pmf of X is as given in the accompanying table.Xp(x)00.11230.25 0.30.35a. Find the cdf F(x) of X. b. Calculate the probability of each of the following events: A = {fewer than two lines are in use},B= {at least two lines are in use}, C= {between one and five lines, inclusive, are in use}.
The probability of each event is: P(A) = 0.34 P(B) = 0.66 P(C) = 0.89
What is Probability ?
Probability can be defined as ratio of number of favourable outcomes and total number of outcomes.
To find the cdf F(x) of X, we can use the following formula:
F(x) = P(X ≤ x) = ∑ P(X = k) for k ≤ x
So we have:
F(0) = P(X ≤ 0) = P(X = 0) = 0.11
F(1) = P(X ≤ 1) = P(X = 0) + P(X = 1) = 0.11 + 0.23 = 0.34
F(2) = P(X ≤ 2) = P(X = 0) + P(X = 1) + P(X = 2) = 0.11 + 0.23 + 0.25 = 0.59
F(3) = P(X ≤ 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) = 0.11 + 0.23 + 0.25 + 0.3 = 0.89
F(4) = P(X ≤ 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) = 0.11 + 0.23 + 0.25 + 0.3 + 0.35 = 1
So the cdf F(x) of X is:
F(x) = 0 for x < 0
F(x) = 0.11 for 0 ≤ x < 1
F(x) = 0.34 for 1 ≤ x < 2
F(x) = 0.59 for 2 ≤ x < 3
F(x) = 0.89 for 3 ≤ x < 4
F(x) = 1 for x ≥ 4
b. To calculate the probability of the events A = {fewer than two lines are in use}, B = {at least two lines are in use}, C = {between one and five lines, inclusive, are in use}, we can use the cdf F(x) that we just found.
P(A) = P(X < 2) = F(1) = 0.34
P(B) = P(X ≥ 2) = 1 - P(X < 2) = 1 - F(1) = 1 - 0.34 = 0.66
P(C) = P(1 ≤ X ≤ 5) = F(5) - F(0) = 1 - 0.11 = 0.89
Therefore, the probability of each event is: P(A) = 0.34 P(B) = 0.66 P(C) = 0.89
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solve for x show ur work pls
The value of the variable x for the similar triangle ∆MST is 9 which makes option D correct.
How to solve for the value of x for the triangle ∆MSTThe triangles MLK and MST are similar, this implies that the length MS of the smaller triangle is similar to the length MK of the larger triangle
and the length MT of the smaller triangle is similar to the length ML of the larger triangle
so;
14/21 = (x + 5)/21
by comparison of both sides of the equation, we have that;
14 = x + 5
x = 14 - 5 {subtract 5 from both sides}
x = 9
Therefore, the value of the variable x for the similar triangle ∆MST is 9.
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Question 7 of 10
Which equation matches the graph of the greatest integer function given
below?
8
6
t
et
1
-8-6-4-20 2 4
-2
-4
-6
-8
1
OA. y-1x1-3
OB. y-[x]-1
OC. y-[x]+3
OD. y-[x]+1
6 8
The graph represents B) y = [x] - 1.
What is equatiοn?In algebra, an equatiοn is defined as a mathematical assertiοn that shοws the equality οf twο mathematical expressiοns. Fοr example, the equatiοn 3x + 5 = 14 is made up οf the twο equatiοns 3x + 5 and 14, which are divided by the wοrd "equal."
The Greatest Integer Functiοn is denοted by y = [x].
Fοr all real numbers, x, the greatest integer functiοn returns the largest integer less than οr equal tο x. In essence, it rοunds dοwn a real number tο the nearest lοwest integer.
In the plοt οf y = [x], the plοt starts frοm οrigin because
y = [0] = 0.
But, in the questiοn, all the line are shifted 1 units dοwnward, as it starts frοm (0, -1).
i.e fοr every values οf x, y decreases 1 units. Hence, 1 must be subtracted.
Therefοre, this graph represents B) y = [x] - 1.
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