Answer:
7/10
Step-by-step explanation:
Answer:
okay so i think its 7/10
but im not sure
Step-by-step explanation:
Help ASAP
Which of these cylinders has the same volume as one with a radius of 4 ft and a height of 9 ft?
Select one:
a cylinder with a radius of 9 ft and a height of 16 ft
a cylinder with a radius of 3 ft and a height of 4 ft
a cylinder with a radius of 3 ft and a height of 16 ft
a cylinder with a radius of 9 ft and a height of 4 ft
A cylinder with a radius of 3 ft and a height of 4 ft has the same volume as one with a radius of 4 ft and a height of 9 ft.
Explain about the cylinders:We can determine how much interior room a cylinder has by measuring its volume. The volume would be the same as how much material would fill the full can if you had one.
Volume of cylinder = π*r²*h
r is the radius and h is the height.
For given cylinder:
r = 4 ft and h = 9 ft
Volume of given cylinder = π*4²*9
Volume of given cylinder = 144π cu. ft.
Now, from the options:
As, its is clear from formula of cylinder that there is a square of radius.
Thus,
take radius r = 3 ft such that r² = 9 ft and height h = 4 ft.
These are the same dimensions as the given cylinder.
Thus, a cylinder with a radius of 3 ft and a height of 4 ft has the same volume as one with a radius of 4 ft and a height of 9 ft.
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The first two steps in determining the solution set of the system of equations, y = x2 – 6x + 12 and y = 2x – 4, algebraically are shown in the table.
Which represents the solution(s) of this system of equations?
(4, 4)
(–4, –12)
(4, 4) and (–4, 12)
(–4, 4) and (4, 12)
Answer:
(4,4)
Step-by-step explanation:
The solution set of the system of equations can be found by setting the two equations equal to each other and solving for x.
x^2 - 6x + 12 = 2x - 4
x^2 - 8x + 16 = 0
(x - 4)^2 = 0
x = 4
Since both equations in the system are equal to y, we can substitute x = 4 into either equation to find the corresponding value of y.
y = 2x - 4 = 2(4) - 4 = 4
Therefore, the solution of this system of equations is (4, 4).
Therefore, the correct answer is (4, 4).
The table shows the amount of money raised by each region. The four regions raised a total of $(5.38×104) . Region Amount Raised ($) East 1.46×104 North 2.38×104 South 6.75×103 West ? How much did the West raise? Express the result in scientific notation. $__
The amount raised by west the region is 8.65 ×10^{3}
The area of mathematics known as algebra is used to portray situations or problems using mathematical expressions. Its purpose is to solve algebraic equations or systems of equations.
Given data:
The amount raised by east = 1.64 × 10^{4}
The amount raised by North = 2.38 × 10^{4}
The amount raised by South = 6.75 × 10^{3}
Total amount raised by four regions = 5.38 × 10^{4}
Now let us consider the amount raised by west = X
Then we have
⇒ 1.46 × 10^{4} + 2.38 × 10^{4} + 6.75 × 10^{3} + X = 5.38 × 10^{4}
⇒ 14600 + 23800 + 6750 + X = 53800
= 8650
= 8.65 × 10^{3}
Therefore, the amount raised by the west is 8.65 × 10^{3}
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Find the first and second derivatives. 5 y = - 4x® - 9 11
We are given a function y = -4x^3 - 9x^11, and we need to find its first and second derivatives.
To find the first derivative, we apply the power rule and the constant multiple rule. The power rule states that the derivative of x^n is nx^(n-1), and the constant multiple rule states that the derivative of kf(x) is k*f'(x), where k is a constant. Applying these rules, we can find the first derivative of y = -4x^3 - 9x^11.
Taking the derivative term by term, the first derivative of -4x^3 is -43x^(3-1) = -12x^2, and the first derivative of -9x^11 is -911x^(11-1) = -99x^10. So, the first derivative of y is dy/dx = -12x^2 - 99x^10.
To find the second derivative, we apply the same rules to the first derivative. Taking the derivative of -12x^2, we get -122x^(2-1) = -24x, and the derivative of -99x^10 is -9910x^(10-1) = -990x^9. Therefore, the second derivative of y is d^2y/dx^2 = -24x - 990x^9.
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find (a) the slope of the curve at the given point p, and (b) an equation of the tangent line at p. y= 1/x; p(5,1/5)
Answer:
(a) -1/25
(b) y = -1/25x +2/5
Step-by-step explanation:
You want the slope and tangent line equation for the curve y = 1/x at point P(5, 1/5).
(a) SlopeThe slope is the derivative of the function at the given point:
y = 1/x = x^(-1)
y' = (-1)x^(-1-1) = -1/x²
At x=5, the slope is ...
m = -1/5² = -1/25
(b) EquationThe equation of the tangent line is conveniently written using slope-intercept form:
y -k = m(x -h) . . . . . . . . equation for line with slope m at point (h, k)
y -1/5 = -1/25(x -5) . . . . equation for line with slope -1/25 at point (5, 1/5)
Rearranging, we have the slope-intercept form ...
y = -1/25x +2/5
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Which of the following ratios forms a proportion with 4/15?
A: 8/20
B: 7/18
C: 12/45
D:6/25
Answer:
C: 12/45
Step-by-step explanation:
You have to divide the numerator and the denominator by the same number, and if once you divide it you get the fraction then it's the right answer. So lets take 12/45 and try it.
12/3 =4
45/3 =15
4/15
Can someone please help me on this?
Answer: angle(s) A on the left.
Step-by-step explanation:
Complementary angles are angles whose sum equals 90, which is a righ angle (forms a corner)
Solve y=0.5+0.02x and y=0.25+0.03x
Answer:
The answer is
\(y =1 \\ x = 25\)
Step-by-step explanation:
\(.5 + .02x = .25 + .03 \\ .01x = .25 \\ x = 25 \\ then \\ y = .5 + .02 \times 25 = 1\)
Help me now plz it do in 30 min
Answer:
For the first row, write 5(0)-1 = 0-1. y is equal to -1.
For the second row, write 5(1)-1 = 5-1. y is equal to 4.
For the third row, write 5(2)-1 = 10-1. y is equal to 9.
For the fourth row, w rite 5(3)-1 = 15-1. y is equal to 14.
Step-by-step explanation:
Hope this helps!
Help me please, will mark brainliest
Name a fraction between 1 /5 and 1/6 .
Answer: I think that would be 2/6 because it more then 1/6 but not quite 1/5
Step-by-step explanation:
Sorry if I am wrong
Answer:
6/7
Step-by-step explanation:
make the sum of the numerators be the new numerator, and the sum of the denominators be the new denominator
(1+ 5)/(1+ 6)
6/1+6
6/7
-6.3 ⋅ 5=?
answer plz
Answer:
Answer
Step-by-step explanation:
-6.3*5= -31.5
Answer:
-31.5
Step-by-step explanation:
multiplication, when there's one negative sign during multiplication just make the answer negative
Play Station Plus costs $60.00 for a yearly (12 Months) subscription. What is the unit price per month?
Show your work. And Explain why you pick that answer!
Can somebody please help me with this? Show work. It’s due today
Answer: The surface area of the rectangular box = the amount of wrapping paper needed to cover the rectangular box = 394.24 in.²
Step-by-step explanation:
Surface area = 2(wl + hl + hw).
Volume = Length x Width x Height
Given the following:
Volume = 476.16 in.³
Length = 4.8 in.
Width = 8 in.
Find the height (h) using the volume formula:
476.16 = 4.8 × 8 × h
476.16 = 38.4 × h
476.16/38.4 = h
h = 12.4 in.
Surface area = 2(wl + hl + hw) = 2(8 × 4.8 + 12.4 × 4.8 + 12.4 × 8) = 394.24 in.²
The amount of wrapping paper needed to cover the rectangular box = Surface area = 394.24 in.²
Listed in the accompanying table are weights (lb) of samples of the contents of cans of regular Coke and Diet Coke. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) to (c). Click the icon to view the data table of can weights. a. Use a 0.10 significance level to test the claim that the contents of cans of regular Coke have weights with a mean that is greater than the mean for Diet Coke. What are the null and alternative hypotheses? Assume that population 1 consists of regular Coke and population 2 consists of Diet Coke. A. H 0
:μ 1
=μ 2
B. H 0
:μ 1
=μ 2
H 1
=μ 1
>μ 2
H 1
:μ 1
>μ 2
C. H 0
:μ 1
≤μ 2
D. H 0
:μ 1
=μ 2
H 1
:μ 1
>μ 2
H 1
:μ 1
=μ 2
There is not enough evidence to conclude that the contents of cans of regular Coke have weights with a mean that is greater than the mean for Diet Coke. The correct option is (A) as the null and alternative hypotheses are: H0: µ1 = µ2H1: µ1 > µ2
a. Use a 0.10 significance level to test the claim that the contents of cans of regular Coke have weights with a mean that is greater than the mean for Diet Coke. Assume that population 1 consists of regular Coke and population 2 consists of Diet Coke. Null Hypothesis:H0: µ1 = µ2Alternative Hypothesis:H1: µ1 > µ2(because we are testing that the mean for Coke is greater than Diet Coke) Assuming a 0.10 significance level, the critical value is z = 1.28. If the test statistic z > 1.28, we reject the null hypothesis, H0.
The formula for the test statistic is: ( x1 - x2) / √( s1²/n1 + s2²/n2) Where: x1 = the sample mean for Coke,
x2 = the sample mean for Diet Coke, s1 = the sample standard deviation for Coke,
s2 = the sample standard deviation for Diet Coke,
n1 = the sample size for Coke,
n2 = the sample size for Diet Coke. Substituting the given values:
( x1 - x2) / √( s1²/n1 + s2²/n2)= (39.986 - 39.942) / √( 0.157²/36 + 0.169²/36)
= 0.044 / 0.040
= 1.10 Since the calculated value of the test statistic, 1.10, is less than the critical value of
z = 1.28, we fail to reject the null hypothesis. Therefore, there is not enough evidence to conclude that the contents of cans of regular Coke have weights with a mean that is greater than the mean for Diet Coke. Option (A) is the correct answer, as the null and alternative hypotheses are: H0: µ1 = µ2H1: µ1 > µ2
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om the entire photo there is the info but i only need the answer to question B. Any of the writing inside the blue box is the answer that i have given so far but the answer can be from scratch or added to it. NEED ANSWER ASAP
TY
The angle XBC is 55° due to Corresponding relationship while BXC is 70°
Working out anglesXBC = 55° (Corresponding angles are equal)
To obtain BXC:
XBC = XCB = 55° (2 sides of an isosceles triangle )
BXC + XBC + XCB = 180° (Sum of angles in a triangle)
BXC + 55 + 55 = 180
BXC + 110 = 180
BXC = 180 - 110
BXC = 70°
Therefore, the value of angle BXC is 70°
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How many different committees can be formed from 7 teachers and
33 students if the committee consists of 4 teachers and 4
students? Do not use decimals, commas or units of measurement in your
answer.
The answer is 1432200. No decimals, commas, or units of measurement are used in this answer.
The number of different committees that can be formed from 7 teachers and 33 students if the committee consists of 4 teachers and 4 students can be calculated using the combination formula which is given by:
C(n,r) = n! / r!(n - r)!
where n represents the total number of objects,
r represents the number of objects to be selected from n,
and the exclamation mark (!) denotes the factorial of a number.
The number of ways of selecting 4 teachers from 7 is given by:
C(7,4)
= 7! / 4!(7 - 4)!
= 35
The number of ways of selecting 4 students from 33 is given by:
C(33,4)
= 33! / 4!(33 - 4)!
= 40920
The total number of different committees that can be formed from 7 teachers and 33 students if the committee consists of 4 teachers and 4 students is the product of the number of ways of selecting 4 teachers from 7 and the number of ways of selecting 4 students from 33.
Hence, it is given by:
35 × 40920 = 1432200
Therefore
the answer is 1432200. No decimals, commas, or units of measurement are used in this answer.
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3. Kyle starts with $15.00 and saves $3.50
each day. What expression represents
the total amount Kyle saves?
A $3.50
B $15.00
C 3.5t + 15, where t is the number
of days
D 15t + 3.5, where t is the number
of days
Answer:
C 3.5t + 15, where t is the number
of days
i need to ask again please help
Answer:
d
Step-by-step explanation:
A researcher hypothesized that children would eat more foods wrapped in familiar packaging than the same food wrapped in plain packaging. To test this hypothesis, the researcher records the number of bites that 20 children take of food given to them wrapped in fast-food packaging versus plain packaging. If the mean difference (fast-food packaging minus plain packaging) is M. - 12 and 2.4. (a) Calculate the test statistio. (5 points) (b) Calculate the 95% confidence interval. (3 points) (c) Can we conclude that wrapping foods in familiar packaging increased the number of bites that children took compared to plain packaging? Do we reject or retain the null hypothesis? (2 points)
The test statistic is t = −1.12, which corresponds to a P-value of 0.8737.
This P-value is greater than the significance level α = 0.05.
Therefore, we fail to reject the null hypothesis H0: µd ≤ 0.
There is insufficient evidence to conclude that wrapping foods in familiar packaging increased the number of bites that children took compared to plain packaging.
This interval includes zero, which is the hypothesized value of µd under the null hypothesis. Therefore, the null hypothesis cannot be rejected.
The null hypothesis cannot be rejected.
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Find the domain and the range of the given relation.
{(-9,-7), (9,3), (0, -6), (-6,0)}
The domain is. (Use a comma to separate answers as needed.)
Answer:
Domain: -9, -6, 0, 9 I put them in ascending order
Range: -7, -6, 0, 3 I put them in ascending order.
Step-by-step explanation:
The domain is the inputs or the x values.
The range is the outputs or the y values.
solve for x
5=7+x
x=
Please Help... Due tomorrow
The area of the sector in this problem, with an angle of 60º and a radius of 12 ft, is given as follows:
75.4 ft².
How to calculate the area of a circle?The area of a circle of radius r is given by the multiplication of π and the radius squared, as follows:
A = πr²
The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle, while the diameter of the circle is the distance between two points on the circumference of the circle, on a segment that passes through the center. Hence, the diameter’s length is twice the radius length.
The entire circle has an angle measure of 360º, hence for an angle measure of 60º, the equation is given as follows:
A = πr²/6
(as 60/360 = 1/6).
Considering the radius of 12 feet, the area of the sector is given as follows:
A = π x 12²/6
A = 75.4 ft².
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Rachel has 37 videos and decides to purchase 2 more each week. Write an equation describing this situation.
find the surface area
Answer:
12?
Step-by-step explanation:
Answer:
2x5=10 + 4x3=12 +12 total 34
Step-by-step explanation:
HOPE THIS HELPS!!!!!!!!!
HAVE A AWESOME DAY!!!!!
Find the values of a and b that make the following piecewise defined function both continuous and differentiable everywhere. f(x) = 3x + 4, X<-3
2x2 + ax + b. X>-3
The values of a and b that make the piecewise defined function f(x) = 3x + 4, for x < -3, and f(x) = 2x^2 + ax + b, for x > -3, both continuous and differentiable everywhere are a = 6 and b = 9.
To ensure that the piecewise defined function is continuous at the point where x = -3, we need the left-hand limit and right-hand limit to be equal. The left-hand limit is given by the expression 3x + 4 as x approaches -3, which evaluates to 3(-3) + 4 = -5.
On the right-hand side of the function, when x > -3, we have the expression 2x^2 + ax + b. To find the value of a, we need the derivative of this expression to be continuous at x = -3. Taking the derivative, we get 4x + a. Evaluating it at x = -3, we have 4(-3) + a = -12 + a. To make this expression continuous, a must be equal to 6.
Next, we find the value of b by considering the right-hand limit of the piecewise function as x approaches -3. Substituting x = -3 into the expression 2x^2 + ax + b, we get 2(-3)^2 + 6(-3) + b = 18 - 18 + b = b. To make the function continuous, b must equal 9.
Therefore, the values of a and b that make the piecewise defined function both continuous and differentiable everywhere are a = 6 and b = 9.
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Find the differential of each function. y = tan squareroot 3t y = 4 - v^2/4 + v^2
The differentials of the given functions are:
dy/dt = (1/2)√(3t) sec^2(√(3t)) dt
dy/dv = -v/2 + v
To find the differential of the function y = tan(sqrt(3t)), we can use the chain rule. Let u = sqrt(3t). Applying the chain rule, we have dy/dt = dy/du * du/dt.
First, we find dy/du by taking the derivative of tan(u), which is sec^2(u). Then, we find du/dt by taking the derivative of sqrt(3t), which is (1/2)√(3t). Multiplying these two derivatives together, we get dy/dt = (1/2)√(3t) sec^2(√(3t)) dt.
To find the differential of the function y = 4 - v^2/4 + v^2, we need to take the derivative with respect to v. The first term, 4, does not depend on v, so its derivative is 0.
For the second term, -(v^2/4), we use the power rule for differentiation. The derivative of v^2 is 2v, and dividing by 4 gives -(v/2).
For the third term, v^2, the derivative is 2v.
Combining these derivatives, we get dy/dv = -v/2 + v.
The differentials of the given functions have been calculated as dy/dt = (1/2)√(3t) sec^2(√(3t)) dt and dy/dv = -v/2 + v. These differentials represent the rate of change of the functions with respect to the respective variables.
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The differential of y = tan(sqrt(3t)) is dy/dt = (1/2)(3t)^(-1/2)(3)(sec^2(sqrt(3t))). The differential of y = 4 - v^2/4 + v^2 is dy/dv = 3v/2.
To find the differential of each function, we will differentiate them with respect to the independent variable.
Differentiation of y = tan(sqrt(3t)):Let's use the chain rule to differentiate this function.
Differentiate the outer function: d/dt(tan(sqrt(3t)))Differentiate the inner function: d/dt(sqrt(3t)) = (1/2)(3t)^(-1/2)(3)Apply the chain rule: d/dt(tan(sqrt(3t))) = (1/2)(3t)^(-1/2)(3)(sec^2(sqrt(3t)))Therefore, the differential of y = tan(sqrt(3t)) is dy/dt = (1/2)(3t)^(-1/2)(3)(sec^2(sqrt(3t))).
Differentiation of y = 4 - v^2/4 + v^2:Let's differentiate this function using the power rule and the sum/difference rule for derivatives.
Differentiate the constant term: d/dv(4) = 0Differentiate the first term: d/dv(-v^2/4) = (-1/4)(2v) = -v/2Differentiate the second term: d/dv(v^2) = 2vTherefore, the differential of y = 4 - v^2/4 + v^2 is dy/dv = 0 - v/2 + 2v = 3v/2.
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What is the recrusive formula for the sequence 9,16,23,30
Answer:
\(a_{n}\) = \(a_{n-1}\) + 7
Step-by-step explanation:
the recursive formula allows a term in the sequence to be found by adding the common difference d to the previous term.
d = 16 - 9 = 23 - 16 = 30 - 23 = 7
then
\(a_{n}\) = \(a_{n-1}\) + 7 : a₁ = 9
. which boolean operation is referred to as a boolean sum?
The Boolean operation is referred to as a Boolean sum is OR operation
In Boolean algebra, the Boolean sum operation is also known as the logical OR operation. It is one of the most commonly used Boolean operations, and is used to create a logical expression that is true if either one or both of the operands are true.
The Boolean sum operation is denoted by the symbol "+". It takes two operands and returns a result based on the truth values of those operands. The truth table for the Boolean sum operation is as follows:
Operand 1 Operand 2 Result
False False False
False True True
True False True
True True True
As you can see from the truth table, the Boolean sum operation returns true (or 1) if either one or both of the operands are true, and false (or 0) otherwise.
Therefore, the Boolean sum operation is a very important operation in Boolean algebra, and is used in a wide range of applications such as digital circuits, computer science, and programming.
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The angle of ABC is how many degrees
Answer:
I think the awsner is 180 deegrees