Answers
The circumference of the given circle.
Solution:In order to find the circumference, first we'll have to find the raduis.
[tex]d = 2r[/tex]
[tex] \frac{8}{2} [/tex]
[tex] = 4 \: ft[/tex]
Now, we can work out the volume.
[tex]\huge\boxed{Fomula: C = 2\pi {r}}[/tex]
[tex] c= 2 \times \pi \times 4[/tex]
[tex]c = 25.13274 \: {ft}[/tex]
[tex]\large\boxed{C = 25.13 \: ft\: (2 \: d.p)}[/tex]
Hence, the circumference of the given circle is 25.13 feets.
Related Questions
What is 0.1 to 0.2 percent changes, to test your brain.
Answers
Answer:
100% increase
Step-by-step explanation:
0.1 to 0.2
0.1 = 100% (original number)
0.2 - 0.1 = 0.1
0.1 = 100%
Marina can bicycle 19.5 miles in the same time it takes her to run 6 miles. She bikes 9 miles per hour faster than she runs. At what speed does Marina run?
Distance (mi)
Rate (mph)
Time (hr)
Bicycling
19.5
r + 9
StartFraction 19.5 Over r + 9 EndFraction
Running
6
r
StartFraction 6 Over r EndFraction
4 mph
5 mph
9 mph
13 mph
Answers
The speed that marina can run from the given parameters is; 4 miles per hour
How to Solve Algebraic Problems?Let x be Marina's speed running.
Marina's speed biking is x + 9.
Thus, the time she spent is calculated as;
19.5/(x + 9) = 6/x
Cross Multiply to get;
19.5x = 6(x + 9)
19.5x = 6x + 54
Solving this gives;
x ≈ 4 mph
Thus, Marina can run at a speed of 4 miles per hour.
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4 miles per hour:A
Step-by-step explanation:
on edge
Solve f(8) for f(x) = 2x + 7
Jhy
ƒ(8) = [?]
Answers
Answer:
f(8) = 23
Step-by-step explanation:
Plug in 8 for f(x) = 2x+7
2(8)+7
16+7
= 23
3) Ash decided to buy some new socks. They had two coupons, one said 10% off and the other was for $3 off. If the package of socks sells for $25, which coupon should they use? For each option, what would be the price after discount and tax that Ash would need to pay?
Answers
Answer:They should use the $3 off
Step-by-step explanation:
10% of 25 = 2.5
25-2.5 = 22.5 (price after using coupon)
$3 off of 25= 25-3
= 22
therefore, if they use the $3 off, they will spend less
Y=45(1.82)x does change represent decay or growth and %increase
Answers
Answer:
Exponential growth
The growth rate is 82%
=========================================
Explanation:
Anything of the form y = a*b^x will have the value of b directly determine the growth or decay rate. The value a = 45 is ignored.
Set b = 1.82 equal to 1+r and solve for the variable r.
1+r = 1.82
r = 1.82-1
r = 0.82
The growth rate is 82%
If r was negative, then we'd have exponential decay instead.
Graph the function f(x) = -42-4+ 5 on the axes below. You must plot the
5
asymptote and any two points with whole number coordinates.
Asymptote:
10
9
5
5
-11-10
8
6
3
56
S01
3
-5
7
-9
Submit Answer
Answers
Answer:
- attached graph
- Horizontal Asymptote: y = 5
- twon whole number points are (4,4) and (5,1)
Step-by-step explanation:
- Exponential functions have a horizontal asymptote. The equation of the horizontal asymptote
y = -4^(x-4) + 5
= -4^(4-4) + 5
= -4^(0) + 5
= -1 + 5
= 4
y = -4^(x-4) + 5
= -4^(5-4) + 5
= -4^(1) + 5
= -4 + 5
= 1
how do I graph the line y=4x-4
Answers
So it crosses the y-axis at -4 and has a gradient of 4 ie 1 square right and 4 squares up.
More simply just find easy coordinates of points on the line
Eg (0, -4) (1, 0) (2, 4) (5, 16) etc
Plot any two of these points and rule a line through them
There are 32 boys and 20 girls in a Mathematics class. Find the ratio of:
The number of girls to the total number of learners in the class.
Answers
Answer:
5/13
Step-by-step explanation:
There are 20 girls, and 32+20 = 52 learners.
Ratio give us 20/52
After simplifying: 5/13
PLEASE HELP PLEASE HELP
Answers
1 to 4
4 / 4 = 1
16 / 4 = 4
find the surface area of the figure below 19 in and 13 in
Answers
Answer:
1471.15
A = πrl+πr²
l = [tex]\sqrt{r^2+h^2}[/tex]
A = [tex]\pi r(r+\sqrt{h^2+r^2} ) = \pi * 13 * (13 + \sqrt{19^2+13^2} )[/tex] ≈ 1471.15
What is the area of the trapezoid?
Answers
Answer:
20mm^2
Step-by-step explanation:
add the bases, divide by 2, then multiply the height
Answer:
20mm2 because I did this, and I got 100% I promise please mark me brainiest
Step-by-step explanation:
PLEASE I NEED THIS ANSWERED FAST
Answers
Answer:
9 square millimeters
On a coordinate plane, 2 straight lines are shown. The first solid line has a negative slope and goes through (negative 2, 3) and (0, negative 1). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 2) and (1, 0). Everything to the right of the line is shaded.
Which inequality pairs with y≤−2x−1 to complete the system of linear inequalities represented by the graph?
y<−2x+2
y>−2x+2
y<2x−2
y>2x−2
Answers
Answer:
y > -2x + 2
Step-by-step explanation:
The dashed line tells us the answer doesNOT have the "or=to" under the inequality symbol. Then the y-intercept is positive 2. So it must be
y > -2x + 2
see image
Look at the y-intercept and think of up/down instead of left/right on the shading and then you can see whether its < or >
Your watch gains 9.5 minutes in 6 h. How much will it gain in 3 days?
Answers
Answer:
114 minutes
Step-by-step explanation:
There are 72 hours in 3 days, 72 divided by 6 is 12. Multiply 9.5 by 12, and you get 114
A swimming pool is 20m long, 8m wide and 2m deep. If the density of water is 1g/mL, what is the mass of water in the pool?
Answers
Answer:
im doing it just wait okay buddy??
11
Carla builds the figure below in two separate layers. She uses cubes that are 1 centimeter on each side. She builds
her first layer with 3 rows of 3 cubes. She builds her next layer with 2 rows of 3 cubes.
What’s the volume in cubic centimeters
Answers
Step-by-Step Explanation:
1st Layer = 3 Rows of 3 Cubes
=> 3 * 3 = 9 Cubes
2nd Layer = 2 Rows of 3 Cubes
=> 2 * 3 = 6 Cubes
Total no. of Cubes = 6 + 9 = 15
Edge of Cube (a) = 1 cm
Vol. of Cube = a^3
Therefore,
= a^3
= 1^3
= 1
Vol. of Cube = 1 cm^3
Vol. of Figure = Cube Vol. * No. of Cubes = 1 * 15
= 15
Vol. of Figure = 15 cm^3
Kami is in charge of creating a five-digit code to lock and unlock a secure chamber. She can use any digit from 0 through 9, and she can use each digit as many times as she wants. She knows she wants to start the code with an even number.
How many possible codes that start with an even number could Kami create?
40,000 codes
50,000 codes
400,000 codes
500,000 codes
Answers
We will see that there are 50,000 different possible codes that start with an even number.
How many possible codes are there?
We know that the code has 5 digits, each one with 10 possible options (except the first one, when we only can use even digits, so there we have 5 options).
And the numbers can be repeated any number of times through the code, then the total number of different codes that can be made is equal to the product between the numbers of options for each of the digits, we will have:
[tex]C = 5*10*10*10*10 = 50,000[/tex]
So there are 50,000 different codes.
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Answer:
50,000 codes
Step-by-step explanation:
took the test
Pls help!!
A new truck that sells for $34,000 depreciates 14% each year. Find the value of the car after 7 years
A) $ 11,829.55
B) $16,950.55
C) $11,689.55
D) $4760.00
Answers
the equation of the line x= 1/3y written in general form is
Answers
Answer:
y = 3x
Step-by-step explanation:
The general form of an equation :
y = mx + cGiven :
x = 1/3yMultiply each side with 3 :
3x = 3/3yy = 3xGiven: - 1/2 x > 6.
Choose the solution set.
{x | x R, x > -12}
{x | x R, x > -3}
{x | x R, x < -3}
{x | x R, x < -12}
Answers
Answer:
[tex]x > - 12[/tex]
Step-by-step explanation:
[tex] - \frac{1}{2} x > 6 \\ \frac{ - \frac{1}{2} }{ - \frac{1}{2} } x > \frac{6} { - (\frac{ 1}{2} )} \\ x > 6 \times - \frac{2}{1}[/tex]
Therefore:
[tex]x > - 12[/tex]
Population is growing, which creates more demand for water, especially in the southwestern part of the United States. In general, states are using more water than the system can supply, diminishing this limited resource.
Utilize the Chapter 11 textbook reading, which covers concepts related to common resources such as water and the tragedy of the commons, as well as the podcast "Water in the West: Bankrupt?" provided in the topic Resources to address the following:
• How would water bankruptcy work? Include who benefits and who loses as a result.
• Provide an alternative way in which a water shortage problem can be resolved?
Answers
Water bankruptcy is associated with the problems among the beneficiaries whose demands are more than the total available water.
What is water?It should be noted that water simply means a colorless and odorless liquid that is the basis of living organisms. The limited water supply has led to water resources bankruptcy which is the failure of water to meet the imposed demand by users.
The people who will benefit in water bankruptcy are the people whose needs weren't met by the available water.
An alternative way in which a water shortage problem can be resolved is the recycling of waste water and rainwater harvesting.
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Which of the triangles shown are scalene triangles?
A group of triangles. Triangle A has three acute angles and two equal sides. Triangle B has two acute angles, one ninety degree angle, and two equal sides. Triangle C has three acute angles and two equal sides. Triangle D has two acute angles and one obtuse angle. All the sides on this triangle are different lengths.
Group of answer choices
Triangle A and Triangle B
Triangle C
Triangle B and Triangle D
Triangle D
Answers
Answer: Scalene means "a triangle that has three unequal sides"
therefore it is D
From a rectangular 5×13 piece of cardboard, four congruent squares with sides of length x are cut out, one at each corner. (See the accompanying figure.) The resulting crosslike piece is then folded to form a box. Answer the following.
a) Find the volume V of the box as a function of x.
b) Sketch the graph of y=V(x).
Answers
The Dimensions of box be:
L = 2.21406 ftD= 10.78594 ftH = 1.10703 ftVolume, V = 24.4366 ft³What is Volume of Cuboid?The volume of the cuboid is the measure of the space occupied within a cuboid. The cuboid is a three-dimensional shape that has length, breadth, and height.
a)Each side of the future box is
L = 5-2x ,D = 13-2x
and let the height of box is x
Then, volume of the box as function of x is:
V(x)= (5-2x)*(13-2x)*x
V(x)= (65-10x-26x +4[tex]x^{2}[/tex])*x
V(x)= 65x-36[tex]x^{2}[/tex]+4[tex]x^{3}[/tex]
Differentiate the above equation, we get
V'(x)= 65-72x+12[tex]x^{2}[/tex]
If V'(x) = 0, then
65-72x+12[tex]x^{2}[/tex]=0
[tex]x_{1,2} = (-b\pm \sqrt{ b^{2} - 4*a*c} ] /2a[/tex]
[tex]x_1[/tex]=4.89297
[tex]x_2[/tex]=1.10703
We will take x= 1.10703
Then the sides of the box are:
L = 5-2(1.10703) = 2.21406 ft
D = 13 - 2*x = 13 - 2x(1.10703)= 10.78594 ft
H = x = 1.10703 ft
Now, volume is
V = 2.21406*10.78594*1.10703 = 24.4366 ft³
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Helpppp Asap !!! Which choice could be used in proving that the given triangles are similar?
Answers
Answer:
C. [tex]\frac{PQ}{DE} =\frac{4}{6}[/tex]
Step-by-step explanation:
[tex]\frac{PQ}{DE}[/tex] shows similarity in the triangles because they are of the same side of the triangles. PQ = 4, and DE = 6. Option C is the only choice that has these values correctly, so that is the answer.
Option A is incorrect because PQ does not measure 6 cm, and DE does not measure 4 cm. It's the other way around.
Option B is incorrecy because PQ and EF are not of the same side, and EF also had no measurement.
Option D is incorrect because PR and DE are not of the same side either.
hope this helps!
ANSWER THIS CORRECTLY FOR BRAINLIEST!!!!
Answers
Answer:
24416.64
Step-by-step explanation:
4/3 x 3.14 x 18³=
3.14 x 5832=18312.48
4/3 x 18312.48= 24416.64 cubic centimeters
Bradley cut a square hole out of a block of wood in wood shop. If the block was cube-shaped with side lengths of 8 inches, and the hole had side lengths of 5 inches, how much wood was left after the hole was cut out?
A.
387 cubic inches
B.
512 cubic inches
C.
39 cubic inches
D.
312 cubic inches
Answers
Answer:
The Correct answer is D. 312 Cubic inches.
Hope this helps you!!
Please Mark me Brainleast!!
Answer:
The Correct answer is D. 312 Cubic inches.
Hope this helps you!!
Please Mark me Brainleast!!
find the range of the given function -
[tex]f(x) = x {}^{2} [/tex]
thankyou ~
Answers
Step-by-step explanation:
f(x) = x² + 2 XER ... Range of f(x) = (2, ∞)
x² ≥ 0
x²+2 ≥ 2
Which of the following was the national god of the Mayans?
A. Hiram Bingham III
B. Huitzilopochtli
C. Kukulcan
D. Ferdinand Magellan
Answers
Answer:
Kukulcan
Step-by-step explanation:
it should be the letter c. Or kukulcan. This is because, Ferdinand Magellan is not a god of the Mayans and thats the same for b and c.
Find the value of the expression.
x + y + 5
for x = 3 and y = 4
Answers
Answer:
12
Step-by-step explanation:
if x = 3
and y = 4
3 + 4 + 5 = 12
what grade is this
Explain how you can graph points on a coordinate plane to create geometric figures such as squares, triangles, rectangles, and parallelograms
Answers
A figure can be graphed on a coordinate plane as a set of points located on specific places, specified by their coordinates.
How can we perceive cartesian coordinate plane?The cartesian coordinate plane (2d) is an infinite 2 dimensional plane. Any 2 dimensional figure can be drawn on an infinite 2d plane. Each of the point of a cartesian plane is tracked by a location.
It is the perpendicular distance of that point from the horizontal axis and vertical axis, usually named x-axis and y-axis. The location is then written as: (a,b), where 'a' is that point's shortest distance from the y-axis and called x-coordinate of that point, and 'b' is that point's shortest distance from the x-axis, and called y-coordinate of that point.
On an infinite 2d plane, any 2-dimensional figure can be drawn. Any figure, when drawn, the points constituting that figure can be specified using coordinates. Thus, that figure can be graphed on a coordinate plane as a set of points located on specific places, specified by their coordinates.
Thus, a figure can be graphed on a coordinate plane as a set of points located on specific places, specified by their coordinates.
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