1) The height of one of these cylinders if its radius is 2 inches is
115.207 inches.
2) The height of one of these cylinders if its radius is 3 inches is
51.203 inches.
3) The height of one of these cylinders if its radius is 6 inches is
12.800 inches.
VOLUME OF CYLINDER = πr²h = 1447 cubic inches1) when radius is 2 inches then:
πr²h = 1447
h = 1447/ (3.14 x 2²) = 115.207 inches
2)when radius is 3 inches then:
πr²h = 1447
h = 1447/ (3.14 x 9²) = 51.202 inches
3) when radius is 6 inches then:
πr²h = 1447
h = 1447/ (3.14 x {36}²) = 12.800 inches
1) The height of one of these cylinders if its radius is 2 inches is
115.207 inches.
2) The height of one of these cylinders if its radius is 3 inches is
51.203 inches.
3) The height of one of these cylinders if its radius is 6 inches is
12.800 inches.
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A denim shirt at a certain factory requires 2 1/5 yards of material. How many shirts can be made from 70 2/5 yards of material?
Answer: 32
Step-by-step explanation:
If you multiply 2 1/5 by 35 you would get 70.4, .4 is equivalent to 2/5, so 70.4 = 70 2/5.
Two people are jogging around a circular track in the same direction one person can go to completely around the track in 21 minutes the second person takes 18th if they both start running in the same direction at the same time how long will it take them to be together at this place if they continue to run
Answer:
n * 21 = m * 18 one runs n laps and one runs m laps to again be together at the same place
7 n = 6 m divide by 3
one runs 7 * 18 = 126 min
the other runs 6 * 21 = 126 min
After 126 min they will be together at the start
What is the answer for -3 > -2x + 7
?
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
−2x+7<−3Subtract 7 from both sides.
−2x<−3−7Subtract -7 from −3 to get −10.
−2x<−10Divide both sides by −2. Since −2 is negative, the inequality direction is changed.
[tex]x > \frac{ - 10}{ - 2} [/tex]Divide −10 by −2 to get 5.
x>5Match each number on the left with the correct description of the number on the right.
Answer:a, c and d
Step-by-step explanation:bc i got it right on edge
BD = 5, CX = 3, CD = 5
what does BC equal
Answer:
BC = 6
Step-by-step explanation:
since BD = CD then Δ BCD is isosceles.
the line a through D is a perpendicular bisector of BC, then
BX = CX = 3 , so
BC = BX + CX = 3 + 3 = 6
Graph the function rule. Tell whether the graph is continuous or discrete. The height h, in inches, of the juice in a 20-oz bottle depends on the amount of juice j, in ounces, that you drink. This situation is represented by the function rule h=8−0.4j.
Upon graphing of the function rule h = 8 - 0.4j, we see that the graph is continuous.
We are given the function as; h = 8 - 0.4j
Let h represent the height in inches on the y-axis and let j represent the amount of juice in ounces on the x-axis.
We are told that the height of the juice in a 20-oz bottle depends on the amount of juice. This means that j is an independent variable and h is dependent variable.
The function represents the height of juice after drinking j ounces of juice. Therefore as the juice is being drank, the height of the juice in bottle will change continuously. Therefore, the graph of our given function will be continuous because we can drink fractions of an ounce juice.
The equation of a line in slope-intercept form is given as;
y = mx + b
where;
m is Slope of line
b is y-intercept
If we rewrite our function slope-intercept form of equation, we will get;
h = -0.4j + 8
Thus;
Slope = -0.3
y-intercept = 8.
The graph is as plotted in the attached file
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2/5 divided by 8/15 please
The value of 2/5 divided by 8/15 is 3/4
What is a fraction?A fraction can be defined as the he or portion of a whole set or element
There are different types of fractions, which includes;
Proper fractionsImproper fractionsMixed fractionsComplex fractionsSimple fractionsSome examples include;
Simple fractions; 1/ 2, 1/3
Proper fractions; 1/ 4, 2/ 3
Improper fractions; 3/ 2, 5/3
Mixed fractions; 2 1/ 6
We have that;
2/ 5 ÷ 8/15
Take inverse of divisor and multiply
2/ 5 × 15/ 8
Divide through
3/4
Hence, the value is 3/4
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HELP MIDDLE SCHOOL MATH BRAINLIEST 30 POINTS
Answer:
Step-by-step explanation:
A. -1/3x
B. -x
c.-5/4x
6:3(3+3)= can anyone answer this
5. Given the following measurements in
parallelogram ABCD, find the PERIMETER of
CED.
AC 34 in. AB = 26 in. BD = 28 in.
P=
The Perimeter of triangle CED is 57 in.
What is a parallelogram?
A parallelogram is the name given to a quadrilateral in geometry. In a parallelogram, the opposing sides are parallel and of equal length. The rhombus, rectangle, and square are just a few shapes that are parallelograms.
Having two sets of parallel sides makes a quadrilateral a parallelogram. A parallelogram has opposite sides that are the same length and angles that are the same size. Additionally, the internal angles on the same transverse side are supplementary. 360 degrees are equal to the total of all internal angles.
Two parallel pairs of sides make up a parallelogram, a quadrilateral. Four right angles form a parallelogram called a rectangle.
Rhombus: An equal-length parallelogram with four sides.
The diagonals of a parallelogram bisect each other AC = 2 CE
Substitute AC= 34 into AC = 2CE =34 = 2CE
Calculate 34 = 2 CE=> CE = 17
The diagonals of a parallelogram bisect each other BD = 2DE
Substitute BD= 28 into BD = 2DE => 28 = 2DE
Calculate 28 = 2DE => DE = 14
Opposite sides of parallelogram are congruent AB = CD
Substitute AB = 26 into AB = CD => CD = 26
Perimeter of a triangle PΔCDE = CE + CD + DE
Substitute CE = 17, DE = 14, CD = 26.
PΔCDE = CE + CD + DE
PΔCDE = 17+ 26 + 14
PΔCDE = 57 in
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PLEASE HELP!!!!! will give points
explain in detail
Can you find two numbers that can satisfy this pattern? 6, 24, 60, 120, 210, ___, ___,
Answer:
336, 504
Step-by-step explanation:
You want the next two numbers in the sequence beginning 6, 24, 60, 120, 210, ....
DifferencesWhen attempting to identify a sequence it is often useful to look at the differences between terms, then at the differences of those, and so on. If The differences at some level are constant, that level tells you the degree of the polynomial that will describe the sequence. If they have a common ratio, then the sequence will be based on an exponential function.
1st differences: 18, 36, 60, 90
2nd differences: 18, 24, 30
3rd differences: 6, 6 . . . . . . . . constant, indicating a cubic function
EquationWe can go to the trouble to write four equations in the four coefficients of the cubic describing this sequence, or we can let suitable technology find it for us. The attachment shows a graphing calculator solution for the coefficients. The 10^-14 value for the 'd' coefficient is effectively 0. This value is due to the inexact representation of numbers in the floating point arithmetic used by the calculator.
The equation of the n-th term a[n] is ...
a[n] = n³ +3n² +2n
The next two terms are ...
a[6] = 336
a[7] = 540
__
Additional comment
The equations for the coefficients of y = ax³ +bx² +cx +d will use the given sequence values and x values of 1..4. Here they are:
6 = a·1 +b·1 +c·1 +d
24 = a·8 +b·4 +c·2 +d
60 = a·27 +b·9 +c·3 +d
120 = a·64 +b·16 +c·4 +d
The second attachment shows a calculator solution for these four equations. (a, b, c, d) = (1, 3, 2, 0)
Plot a point that is in the solution region of this inequality.
y>x-3+8
The point (-6,6) is in the solution region of the inequality and is plotted in given below graph.
Given,
Equation -> y > x - 3 +8
y > x + 5
Lets take a point A(-6,6)
Putting the value in equation,
6 > -6 + 5
6 > -1
which is true.
Hence, A(-6,6) lies in the region of the inequality.
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Which inequality is represented by the graph?
5 - 3 -2 -1 0 1 2 3
-3
(1) x>-1
(3) *<-1
(2) x≤-1
D
(4) x ≥-1
4
gering
5
Answer:
answer,(2)x≥-1
Step-by-step explanation:
it was right
Jotes
Check
A dime is 1.35 x 10-3 meter thick. What would be the height, in
meters, of a stack of 1 million dimes?
A1.35 x 10^2meters
B 1.35 x 10^3meters
1.35 x 10^4 meters
1.35 x 10^9meters
Go Online You can complete an Extra Example online.
Show
your work
here
Answer:
Step-by-step explanation:
Pedro walks 3/8 of a mile in a 1/4 of an hour. How many miles does he walk in an hour
Answer:
S=3/8 miles
T=1/4 hour
V=S/T = 3/8 ÷ 1/4 = (3×4)÷8 = 3/2 miles in an hour
9. The sum of two numbers is 130 and their difference is 34. Let x be the first number and y be the second
number. Set up a system of equations and use the elimination method to find the numbers. You must
show your work.
Using the system of equations and use the elimination method the two numbers are 82 and 48.
What is the elimination method?
To create an equation in one variable using the elimination approach, you can either add or subtract the equations. To eliminate a variable, add the equations when the coefficients of one variable are in opposition, and subtract the equations when the coefficients of one variable are equal.
Here, we
let the first number = x
let the second number = y
according to the given conditions:
x + y = 130 ........(1)
x - y = 34 .........(2)
Using the elimination method we add both equations (1) and (2) and we get
2x = 164
x = 164/2 = 82
Now, we substitute the value of x in eq (1) and we get
82 + y = 130
y = 130-82
y = 48
Hence, using the system of equations and use the elimination method the two numbers are 82 and 48.
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A test is worth 100 points. Each problem is worth either 2 points or 5 points. The number of 5-point problems is 22 fewer than the number of 2-point problems. How many problems of each type are on the test?
The number of 2 points and 5 points are 30 and 8 respectively.
How to calculate the value?Let the number of 5 points = x
Let the number of 2 points = x + 22
It was also stated that the test is worth 100 points and that each problem is worth either 2 points or 5 points.
This will be:
5x + 2(x + 22) = 100
5x + 2x + 44 = 100
7x + 44 =
Collect like terms
7x = 100 - 44
7x = 56
Divide
x 56 / 7
x = 8
Number of 5 points = 8
Number of 2 points = x + 22 = 8 + 22 = 30
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Recall that Benford's Law claims that numbers chosen from very large data files tend to have "1" as the first nonzero digit disproportionately often. In fact, research has shown that if you randomly draw a number from a very large data file, the probability of getting a number with "1" as the leading digit is about 0.301. Now suppose you are an auditor for a very large corporation. The revenue report involves millions of numbers in a large computer file. Let us say you took a random sample of n = 220 numerical entries from the file and r = 52 of the entries had a first nonzero digit of 1. Let p represent the population proportion of all numbers in the corporate file that have a first nonzero digit of 1.
(i) Test the claim that p is less than 0.301. Use = 0.05.
A button hyperlink to the SALT program that reads: Use SALT.
(a) What is the level of significance?
State the null and alternate hypotheses.
H0: p < 0.301; H1: p = 0.301
H0: p = 0.301; H1: p ≠ 0.301
H0: p = 0.301; H1: p > 0.301
H0: p = 0.301; H1: p < 0.301
Correct: Your answer is correct.
(b) What sampling distribution will you use?
The Student's t, since np > 5 and nq > 5.
The standard normal, since np > 5 and nq > 5.
The Student's t, since np < 5 and nq < 5.
The standard normal, since np < 5 and nq < 5.
Correct: Your answer is correct.
What is the value of the sample test statistic? (Round your answer to two decimal places.)
(c) Find the P-value of the test statistic. (Round your answer to four decimal places.)
The hypothesis are given as follows:
H0: p = 0.301; H1: p ≠ 0.301.
a) The level of significance is of 0.05.
b) The sampling distribution is given by: The standard normal, since np > 5 and nq > 5.
The test statistic is of: z = -2.09.
c) The p-value is of: 0.0366.
What are the hypothesis tested?At the null hypothesis, it is tested if there is not enough evidence to conclude that the proportion has changed, hence:
[tex]H_0: p = 0.301[/tex]
At the alternative hypothesis, it is tested if there is enough evidence to conclude that the proportion has changed, hence:
[tex]H_1: p \neq 0.301[/tex]
What is the test statistic?The test statistic is given by the equation presented as follows:
[tex]z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}[/tex]
The parameters of the equation are listed as follows:
[tex]\overline{p}[/tex] is the sample proportion.p is the proportion tested at the null hypothesis.n is the sample size.The values of these parameters for this test are:
[tex]\overline{p} = \frac{52}{220} = 0.2364, p = 0.301, n = 220[/tex]
Hence the value of the test statistic is of:
[tex]z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}[/tex]
[tex]z = \frac{0.2364 - 0.301}{\sqrt{\frac{0.301(0.699)}{220}}}[/tex]
z = -2.09.
What is the p-value?We have a two-tailed test, as we are testing if the proportion is different of a value.
Hence, using a z-distribution calculator, with z = -2.09, the p-value is of 0.0366.
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guys please answer all my questions are being ignored
Line x is the perpendicular bisector of segment ZY
what does x =
Answer:
x=7
Step-by-step explanation:
these 2 triangle sides are equal to each other so just set them equal to find x
X+3=3x-11
-x. -x
3=2x-11
+11. +11
14=2x
=2. =2
7=x
Hopes this helps please mark brainliest
what fraction of the voters polled voted for eric jackson?
F. 1/26
G. 13/50
H. 13/37
J. 50/13
The fraction of the voters polled voted for Eric Jackson is 50/13. A fraction is a portion of a whole or, more broadly, any number of equal parts.
What is meant by fraction?A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters. A fraction is a portion of a larger whole. The number is expressed in arithmetic as a quotient, which is the numerator divided by the denominator. Both are integers in a simple fraction. A complex fraction has a fraction in the integrand or denominator. The numerator of a proper fraction is smaller than the denominator.Fractions are described as parts of a whole. The total can be a single object or a group of objects.Therefore,
The fraction of the voters polled voted for Eric Jackson is 50/13
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I need answer help please
For given function f(x) = 7/(x² - 5),
f(a + 4) = 7/(a² + 8x + 11)
In this question we have been given a function f(x) = 7/(x² - 5)
We need to evaluate f(a + 4)
Substitute x = a + 4 in given function.
f(a + 4)
= 7/((a + 4)² - 5)
= 7/(a² + 8x + 16 - 5)
= 7/(a² + 8x + 11)
Therefore, for given function f(x) = 7/(x² - 5),
f(a + 4) = 7/(a² + 8x + 11)
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2a × ( 3 + b ) = 6a + 2ab is an example of the property
Answer:
It's an example of the distributive property
Using the same pictorial sequence from Growing Dots 1 and Growing Dots 2, but a different beginning point, describe the pattern you see. Assuming the sequence continues in the same way, how many dots are there at 100minutes? Create a table and graph. Write an equation for the number of
dots at tminutes.
In total there will be 397 dots after 100 minutes.
What do you mean by airthmetic sequences?
Arithmetic sequences are sequences of the form:
a, a+d, a+2d, a+3d, a+4d, …
a is the first term and d is the common difference
series. The n terms of the arithmetic progression are given by
[tex]a_{n}[/tex] = a + (n - 1)d
The number d is called the common difference
Arithmetic progressions differ by d and any terms [tex]a_{n}[/tex] and [tex]a_{n-1}[/tex]
d = [tex]a_{n}-a_{n-1}[/tex] -
According to the given pattern, in the first figure, number of dots is 1 , in the second figure, number of dots become 5 , similarly in the next the count is 9 and 14
So, the sequence become
1,5,9,14......
here first term , a = 1
common difference , d = 5-1 = 4
We need to find the number of dots after 100 minutes
So, here n = 100
We need to find [tex]a_{100}[/tex]
[tex]a_{100}[/tex] = a + (100 - 1) d = 1 + 99(4) = 1 + 396 = 397
Therefore, in total there will be 397 dots after 100 minutes.
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The time difference, t, in minutes, taken for an object to travel from point A to B and the return journey is given by the equation (t+6) (t-8)=72. By solving the equation (t+6) (t-8)=72, find the time difference t in minutes.
Answer:
t = 12
Step by step explanation:
(t + 6)(t - 8) = 72
t² - 8t + 6t - 48 = 0
t² - 2t - 120 = 0
(t + 10)(t - 12) = 0
t + 10 = 0 OR t - 12 = 0
t = -10 OR t = 12
(reject)
Write an equation of the line that passes through (-3,1) and is perpendicular to y= 1/2x +3
Answer: y=-2x-5
Check this in desmos
Describe the slope of the line
Find the slope
m=??
Answer: 2.333333...
Step-by-step explanation:
If we apply rise over run, we see that it rises 3.5 spaces, and runs 1.5, which means that [tex]m = \frac{rise}{run} = \frac{3.5}{1.5} = 2.33333...[/tex]
On one campus, 620 undergraduate students work 50 or more weeks. If this student body is average in terms of work habits, about
how many undergrads would you expect there to be on the entire campus?
Answer:
Step-by-step explanation:
Solve-ns16 Which of the following must be true about the inequality and the resulting graph? Select three
options.
ns<-24
n>-24
The circle is open.
The circle is closed.
The arrow points right.
By using the concept of inequality, the correct options are
2nd, 4th and 5th option
What is linear inequation?
Inequation shows the comparision between two algebraic expressions by connecting the two algebraic expressions by [tex]> , < . \geq, \leq[/tex]
A one degree inequation is known as linear inequation.
Here,
The given inequation is
[tex]\frac{-2}{3}n \leq 16[/tex]
Now,
[tex]\frac{-2}{3}n \leq 16\\n \geq -16 \times \frac{3}{2}\\n \geq -24\\[/tex]
Since n is greater than or equal to 24, the arrow will point towards right
The circle will be closed as there is an equality
So the correct options are 2nd, 4th and 5th option
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Complete Question
The complete question has been attached here
How do I solve this ?
See attachment, this took me a while so please say thanks and rate <3
How would I solve this?
Answer:
y=2x-22
Step-by-step explanation:
lets make the equation into slope intercept form
-2x+y=-8 let's move the -2x to the other side we get
y=2x-8
now let's create our equation with the points given
to create the equation you want to make it point slope form with the point given
y-0=2(x-11) distribute the 2 and we can remove the 0
y=2x-22
