Step-by-step explanation:
429.72*100=42972 centrileter
Does doubling the height of a cylinder have the same effect on the volume of a cylinder as doubling the radius? Explain
Answer:
No, doubling the height will just double the volume.
Step-by-step explanation:
It doubles the volume. Volume of a cylinder: volume= \pi *radius squared * height.
Answer:
No, it does not have the same effect. Doubling the height of a cylinder doubles the volume, while doubling the radius generates a volume 4 times greater.
Step-by-step explanation:
:)
need help with this one too
Step-by-step explanation:
the correct one is b - 9 since sum of all angles of a triangle is 180
There are 600 dishes that need to be rinsed. Eric can rinse them in 60 minutes by himself. It will take his friend Reuben 120 minutes to rinse these dishes. How long will it take them if they rinse these 600 dishes together?
Write an equation of the line perpendicular to line MN that goes through point Q.
Francisco has solved the problem for you, but made a mistake.
Find the error in the work and correct the mistake. Show your work for full credit.
Francisco’s work:
Step 1: Slope of MN: 1/4
Step 2: Slope of the line perpendicular: 4
Step 3: y - y = m(x - x) Q(6, -2)
y - (- 2) = 4 (x - 6)
Step 4: y + 2 = 4x - 24
Step 5: y + 2 - 2 = 4x - 24 - 2
Step 6: y = 4x - 26
Step completed incorrectly: ___
(I believe the step completed incorrectly is 2? But I’m not very sure on the showing my work part as well.)
Answer:
Step completed incorrectly: 2
Correct Answer: y = -4x + 22
Step-by-step explanation:
The graph is a straight line through points M(4, -1) and N(8, 0). Point Q is located at (6, -2).
To calculate the slope of the line, substitute the points into the slope formula:
\(\textsf{Slope $(m)$}=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{0-(-1)}{8-4}=\dfrac{1}{4}\)
Therefore, the slope of MN is 1/4, so step 1 of Francisco's calculations is correct.
If two lines are perpendicular to each other, the slopes of these lines are negative reciprocals. The negative reciprocal of a number is its negative inverse.
The negative reciprocal of 1/4 is -4.
Therefore, the slope of the perpendicular line is -4.
So Francisco has made an error in his calculation in step 2 by not making the perpendicular slope negative.
Corrected work
\(\textsf{Step 1:} \quad \sf slope\;of\;MN:\; \dfrac{1}{4}\)
\(\textsf{Step 2:} \quad \sf slope\;of\;the\;line\;perpendicular:\; -4\)
\(\begin{aligned}\textsf{Step 3:} \quad y-y_1&=m(x-x_1)\;\; \sf Q(6,-2)\\y-(-2)&=-4(x-6)\end{aligned}\)
\(\textsf{Step 4:} \quad y+2=-4x+24\)
\(\textsf{Step 5:} \quad y+2-2=-4x+24-2\)
\(\textsf{Step 6:} \quad y=-4x+22\)
Therefore, step 2 has been completed incorrectly.
The correct answer is y = -4x + 22.
Which of the following can be used as you solve this equation?
54 ÷ r = 9
54 × 9
r = 6
9 × 6
r = 9
Answer:
r=6 and 9 × 6
the equation is basically telling us what 54 ÷ 9 is and the answer is r = 6
Answer:
54 × 9 I guesssssssss
Step-by-step explanation:
54÷r=9
it is the same things as
r/54=9
then cross multiply
then, r=54×9
r= 486
PLEASE HELP THANK YOU SO MUCH!
Answer:
Triangle FHL
Step-by-step explanation:
Ellie is the agricultural manager of Apple a Day Orchards. To boost pollination, she puts a beehive with about 10,000 bees on the property. She expects the bee population to increase by 12% each year. You can use a function to approximate the number of bees in the hive after x years
The correct function to approximate the number of bees in the hive after x years is,
⇒ y (x) = 8928.57 (1.12)ˣ
Since, We have to given that;
Ellie is the agricultural manager of Apple a Day Orchards.
And, boost pollination, she puts a beehive with about 10,000 bees on the property.
Since, She expects the bee population to increase by 12% each year.
Hence, We can formulate;
the number of bees in the hive after x years is,
⇒ y (x) = 10,000 (1 + 0.12)ˣ⁻¹
⇒ y (x) = 10,000 (1.12)ˣ⁻¹
⇒ y (x) = 10,000 (1.12)ˣ / 1.12
⇒ y (x) = 8928.57 (1.12)ˣ
Thus, The correct function to approximate the number of bees in the hive after x years is,
⇒ y (x) = 8928.57 (1.12)ˣ
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BRAINLIEST + 30 points if correct!!
Which of the following statements about this function's domain is true?
A.
Domain: 0 < y < 4
The domain represents the set of all possible outputs - the various prices of the pool.
B.
Domain: 0 ≤ x ≤ 16 and 0 < y < 3.5
The domain represents all of the values that were measured in this problem.
C.
Domain: 0 ≤ y ≤ 16
The domain represents the set of all possible inputs - the times when price was measured.
D.
Domain: 0 ≤ x ≤ 16
The domain represents the set of all possible inputs - the times when price was measured.
Answer:
D.
Domain: 0 ≤ x ≤ 16
The domain represents the set of all possible inputs - the times when price was measured.
m + m + m + m = 4 + m
Answer:
4m=4+m
4m-m=4
3m=4
m=4/3
hope this helps:)))
Can you help me with this question?
A Ferris wheel has a diameter of 14 meters determine the distance to the nearest meter that a rider travels after 2 complete laps.
Answer:
88
Step-by-step explanation:
The distance traveled by a rider on a Ferris wheel can be calculated by finding the circumference of the wheel and then multiplying it by the number of complete laps.
The formula for the circumference of a circle is:
C = πd
where C is the circumference, d is the diameter, and π is a constant approximately equal to 3.14.
In this case, the diameter of the Ferris wheel is 14 meters, so the radius (half the diameter) is 7 meters.
C = πd = π(14) = 43.9823 meters (rounded to 4 decimal places)
To find the distance traveled after 2 complete laps, we need to multiply the circumference by 2:
distance = 2C = 2(43.9823) = 87.9646 meters
Rounding to the nearest meter, the distance traveled by a rider after 2 complete laps is 88 meters.
11 of 3011 of 30 Questions
Question
A baker makes peanut butter cookies and chocolate chip cookies.
She needs 2 cups of flour and 34
cup of butter to make one batch of peanut butter cookies.
She needs 3 cups of flour and 1 cup of butter to make one batch of chocolate chip cookies.
If the baker has 26 cups of flour and 9 cups of butter, how many batches of each type of cookie can she make?
The baker can only make peanut butter cookies and cannot make any chocolate chip cookies with the given amount of ingredients.
Let's denote the number of batches of peanut butter cookies as "x" and the number of batches of chocolate chip cookies as "y."
From the given information, we can set up the following system of equations:
For the flour:
2x + 3y = 26
For the butter:
34x + y = 9
To solve this system of equations, we can use the substitution method or the elimination method. Let's use the elimination method:
Multiply the first equation by 17 (to make the coefficients of x in both equations the same):
34x + 51y = 442
Now we have the system of equations:
34x + y = 9
34x + 51y = 442
Subtract the first equation from the second equation:
34x + 51y - (34x + y) = 442 - 9
50y = 433
Divide both sides by 50:
y = 433/50
Since the number of batches of cookies cannot be fractional, we need to find a whole number solution for y. However, in this case, y is a fraction, indicating that the given amount of butter is not sufficient to make even one batch of chocolate chip cookies.
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Find the equation of the line perpendicular to y=-2x+1 that also intersects the points (8,2)
Answer:
y=2x+1
Step-by-step explanation:
change -2x to 2x
Javier bought a painting for
$
150
$150dollar sign, 150. Each year, the painting's value increases by a factor of
1.15
1.151, point, 15.
Which expression gives the painting's value after
7
77 years?
Choose 1 answer:
Choose 1 answer:
(Choice A)
(
150
⋅
1.15
)
7
(150⋅1.15)
7
left parenthesis, 150, dot, 1, point, 15, right parenthesis, start superscript, 7, end superscript
A
(
150
⋅
1.15
)
7
(150⋅1.15)
7
left parenthesis, 150, dot, 1, point, 15, right parenthesis, start superscript, 7, end superscript
(Choice B)
150
⋅
1.1
5
7
150⋅1.15
7
150, dot, 1, point, 15, start superscript, 7, end superscript
B
150
⋅
1.1
5
7
150⋅1.15
7
150, dot, 1, point, 15, start superscript, 7, end superscript
(Choice C)
(
150
+
1.15
)
⋅
7
(150+1.15)⋅7left parenthesis, 150, plus, 1, point, 15, right parenthesis, dot, 7
C
(
150
+
1.15
)
⋅
7
(150+1.15)⋅7left parenthesis, 150, plus, 1, point, 15, right parenthesis, dot, 7
(Choice D)
150
+
1.15
⋅
7
150+1.15⋅7150, plus, 1, point, 15, dot, 7
D
150
+
1.15
⋅
7
150+1.15⋅7
The correct expression is \($(150 \cdot 1.15)^7$\) (Choice A).
The problem states that the painting's value increases by a factor of 1.15 each year. This means that the value at the end of each year is 1.15 times the value at the beginning of the year. Therefore, after one year, the value of the painting is\($150 \cdot 1.15 = 172.50$\).
To find the value after 7 years, we need to multiply the value of the painting each year by 1.15 a total of 7 times. This can be represented mathematically as \($(150 \cdot 1.15)^7$\). This expression is equal to the starting value of the painting, 150, multiplied by 1.15$ raised to the 7th power, which represents the 7 years of appreciation.
If we were to choose expression B, it would give an incorrect result because it uses a value of 1.1 instead of 1.15 to represent the yearly increase in value.
Expressions C and D are also incorrect because they are not taking into account the compounding effect of the yearly increase. Expression C adds the initial value and the total years together, and expression D adds the initial value to the yearly increase multiplied by 7, neither of which correctly reflects the exponential growth of the painting's value.
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Need Help please i will mark brainliest when it lets me
Answer:it’s the second one
Step-by-step explanation:
Answer:
the 2nd one
Step-by-step explanation:
I asked my brother and he said it was that one
Four blue tiles added to eight blue tiles represents the sum 4+8
Answer:
its true
Step-by-step explanation:
Answer:
Im sorry I don't quite understand but here's but I'm going by:
Step-by-step explanation:
4 blue tiles + 8 blue tiles, represents the sun 4+8. Which equals 12.
sorry if this doesn't help!
chris used two different regular diamonds is making a quilt the ratio of the side length was 3:4 the side length of smaller diamond measured 6.0 inches what was the side length of the larger diamond
The ratio of the side length is,
\(\frac{s}{l}=\frac{3}{4}\)The ratio of side smaller diamone to side of larger diamond is always remain constant. So,
\(\begin{gathered} \frac{6}{l}=\frac{3}{4} \\ l=\frac{6\cdot4}{3} \\ =8 \end{gathered}\)So length of the larger diamond is 8 inches.
In this problem, we explore the effect on the mean, median, and mode of multiplying each data value by the same number. Consider the following data set.
4, 4, 5, 8, 12
The mean is 6.6, the median is 5 and the mode is 4
How to determine the mean, median, and mode?The dataset is give as:
4, 4, 5, 8, 12
The mean is calculated as:
Mean = Sum/Count
So, we have:
Mean = (4 + 4 + 5 + 8 + 12)/5
Evaluate
Mean = 6.6
The median is the middle number.
Here, the middle number is 5
So, we have:
Median = 5
The mode is the number with the highest frequency
Here, 4 has the highest frequency
So, we have:
Mode = 4
Hence, the mean is 6.6, the median is 5 and the mode is 4
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Determine the total surface area and volume of each figure.
The total surface area of solid is,
S = 220 m²
And, The volume of the prism is, 200 m³
We have to given that;
A solid prism is shown in figure.
Since, The surface area of a prism is,
S = (2 × Base Area) + (Base perimeter × height)
Where, "S" is the surface area of the prism.
Hence, We get;
base area = 5 x 10 = 50 m²
height = 4 m
Base Perimeter = 2 (5 + 10) = 30
Hence, We get;
S = (2 x 50) + (30 x 4)
S = 100 + 120
S = 220 m²
Since, A prism is a solid shape that is bound on all its sides by plane faces. The volume of a prism is expressed as;
V = base area × height.
Now, For given figure,
Volume of the prism = base area × height
base area = 5 x 10 = 50 m²
height = 4 m
Hence, Volume = 50 × 4 m³
= 200 m³
Thus, The volume of the prism is, 200 m³
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Select the correct answer. Which expression is equivalent to the given expression? (6n^-5)(3n^-3)^2
The equivalenet expression is 54\(n^{-11}\)
What is expression?Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression.
What is exponent?The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.
To simplify the given expression, we need to apply the power of a power rule, which states that to raise a power to another power, we need to multiply the exponents.
Starting with:
(\(6n^-5\))(\(3n^-3\))²
We can simplify as follows:
(\(6n^-5\))(\(9n^-6\))
Now, we can use the product of powers rule, which states that when multiplying two powers with the same base, we add their exponents.
Therefore:
6 x 9 = 54
\(n^-5 * n^-6 = n^-11\)
So the simplified expression is:
\(54n^-11\)
Therefore, the expression \((6n^-5)(3n^-3)^2\) is equivalent to \(54n^-11.\)
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The expression that is equal to (6n-5)(3n-3) option D, 54n11.
What is expression?Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement.
We can use the distributive property of multiplication to expand the expression (6n - 5)(3n - 3) as follows:
(6n - 5)(3n - 3) = 6n(3n) - 6n(3) - 5(3n) + 5(3)
= 18n² - 18n - 15n + 15
= 18n² - 33n + 15
Therefore, the expression that is equivalent to (6n - 5)(3n - 3) is 18n² - 33n + 15, which is option D.
So, the answer is option D, 54n11.
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The distance that a jogger travels at a constant speed of 6.5 miles per hour can be modeled by the linear function f(x)=6.5x, where x is the time in hours the jogger runs. What is the domain of this function? How would a graph of this function show it?
The domain of the function f(x) = 6.5x will be a positive real number.
What are domain and range?The domain means all the possible values of x and the range means all the possible values of y.
The distance that a jogger travels at a constant speed of 6.5 miles per hour can be modeled by the linear function f(x) = 6.5x, where x is the time in hours the jogger runs.
We know that time is a scalar quantity. Then the value of the time is always greater than equal to zero.
x ≥ 0
The domain of the function f(x) = 6.5x will be a positive real number.
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I need help answering. Thanks.
Answer:
28
Step-by-step explanation:
C or B's so 30% + 40% = 70% so:
70/100 multiplied by 40 because 40 students
7/10 times 40 = 28
hsosjqndksowowlwksmzndnkwoa
Answer:
What do you want us to answer here?
Step-by-step explanation:
???
determine the value of X?
Determine the Magnitude of FTD?
The value of x is 50 and FTD = 130°
How to find the value of x?Both of the angles in the diagram must have the same measure because are vertical, then:
3x - 20 = 2x + 30
3x - 2x = 30 + 20
x = 50
That is the value of x.
And we can see that FTD = 2x + 30 = 2*50 + 30 = 130
That is the measure.
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Please help with this thank you! :)
The following image shows the construction of segment RS.Based on the steps shown to create that construction,which type linenis RS?
A- Median
B-Midsegment
C-Altitude
D- Skew
Answer:
A) Median
Step-by-step explanation:
A median joins the midpoint of a side and the opposite vertex.
Please help with this question I really need help
Answer/Step-by-step explanation:
Part A: In the table given above, every input value has exactly one output value. No input value gives two different output value. Therefore, the data in the table represents a function.
Part B: in the table given, when x = 4, y = 9. That is, f(4) = 9.
Given the relation f(x) = 2x - 8, to find what value it would give us, when x = 4, substitute x = 4 into the relation.
f(4) = 2(4) - 8 = 8 - 8
f(4) = 0
Therefore, the relation in the table has a greater value when x = 4.
Part C: using, f(x) = 2x - 8, when f(x) = 34, value of x would be calculated as shown below:
34 = 2x - 8
Add 8 to both sides
34 + 8 = 2x
42 = 2x
Divide both sides by 2
42/2 = x
21 = x
x = 21
please help will give brainliest
Use Stokes' Theorem to evaluate the double integral of the curl of F
F(x, y, z) = e^(xy) cos(z)i + x^2 zj + xyk,
S is the hemisphere
x = radical 49 − y^2 − z^2
oriented in the direction of the positive x-axis.
Stokes' theorem relates the surface integral of the curl of \(\vec F\) across \(S\) to the line integral of \(\vec F\) along the boundary of \(S\).
The boundary of \(S\) is a circle with radius 7 centered at the origin in the \(x,y\)-plane. Parameterize this path by
\(\vec r(t) = 7\cos(t)\,\vec\imath + 7\sin(t)\,\vec\jmath\)
with \(0\le t\le2\pi\). Observe that \(z=0\), so \(\cos(z) = 1\) and the \(\vec\jmath\)-component of \(\vec F\) contributes nothing. The double integral then reduces to
\(\displaystyle \iint_S (\nabla\times\vec F)\cdot d\vec S = \int_0^{2\pi} \vec F(\vec r(t)) \cdot \frac{d\vec r}{dt} \, dt \\\\ ~~~~~~~~ = \int_0^{2\pi} \left(e^{49\cos(t)\sin(t)}\,\vec\imath + 49\cos(t)\sin(t)\,\vec\jmath\right) \cdot \left(-7\sin(t)\,\vec\imath + 7\cos(t)\,\vec\jmath\right) \, dt \\\\ ~~~~~~~~ = -7 \int_0^{2\pi} e^{49\cos(t)\sin(t)} \sin(t) \, dt\)
Observe that by substituting \(t=u+\pi\), we have
\(\sin(t) = \sin(u+\pi) = \sin(u)\cos(\pi) + \cos(u)\sin(\pi) = -\sin(u)\)
so that the integral over \([\pi,2\pi]\) can be expressed in terms of the integral over \([0,\pi]\) as
\(\displaystyle \int_\pi^{2\pi} e^{49\cos(t)\sin(t)} \sin(t) \, dt = \int_0^\pi -e^{49\cos(t)\sin(t)} \sin(t) \, dt\)
Then the integrals over \([0,\pi]\) and \([\pi,2\pi]\) cancel each other and integral of the curl of \(\vec F\) is
\(\displaystyle -7 \int_0^{2\pi} e^{49\cos(t)\sin(t)} \sin(t) \, dt = -7 \int_0^\pi 0 \, dt = \boxed{0}\)
Find the area 12ft 12ft
The heights of nine different mountains are shown in the table below.
Find the mean height, rounded to the nearest foot.
Group of answer choices
20,309 ft
19,850 ft
20,716 ft
20,837 ft
Alan has 229 songs on a playlist. He's categorized them in the following manner: 11 rock, 21 Latin American, 46 gospel, 30 country, 39 rap, 25 classical, and 57 pop. If Alan begins listening to his playlist on shuffle, what is the probability that the first song played is a rock song?
=================================================
Work Shown:
11 rock songs
229 total
11/229 is the probability of randomly selecting a rock song. The fraction doesn't reduce since 11 and 229 have no factors in common (other than 1).
If you wanted to convert to decimal form, then 11/229 = 0.04803 approximately. This converts to about 4.803%