The cross-sectional area of the shaft is 314 mm²
The outside diameter (d₂) = 6 cm = 60 mm
The inside diameter (d₁) = 4 cm = 40 mm
The cross sectional area of the shaft (A) is given by:
A = π(d₂ - d₁)²/4
Substituting values:
A = π(60 - 40)²/4
Simplifying the equation:
A = 314 mm²
The cross-sectional area of the shaft is 314 mm²
Find out more at: https://brainly.com/question/23745017
What is the y-intercept of -x + 4 = y? *
Answer:
4
Step-by-step explanation:
Im sure it is as y=mx +c c being the interceot and mx as the gradient
Answer:
(0,4)Step-by-step explanation:
Find the slope-intercept equation of the line.
Need the equation
Plz help not jus the answer
Answer:
y=-3x+5
Step-by-step explanation:
Answer is Y=-3x+5
Answer:
y = -1/2x + 5
Step-by-step explanation:
First, we need to find the slope. Slope is nothing but the height of the triangle over the length of the triangle. Since the height is 5 is the length is 10, the slope should be 5/10. But, since the line is slanting downwards, the slope is negative. So it is -5/10, or -1/2 when simplified. Next, we need to find the y intercept. Y intercept is nothing but where the line crosses the y axis, so the y intercept should be 5. The slope intercept is y = mx+b, where m is the slope and y intercept is b, so our equation should be y = -1/2x + 5.
The reason that we are not counting the individual squares is because they already labeled the graph. So, we have to count accordingly.
Penelope's MP3 player has 20 megabytes of memory. She has already downloaded 11 megabytesShe will continue to download m more megabytes. Write and solve an inequality that shows all the values of m that Penelope can download to her MP3 player .
Answer:
9 MB
Step-by-step explanation:
20 - 11 = 9
Is 14x+16x-4=5(4x+9)x=49 a solutionn or problem?
Answer:
its a problem there is still work to be done with it
Step-by-step explanation:
*will give brainliest*
While solving an equation, if the variable term becomes zero, and the equation makes a true statement, then the solution is (no solution, one solution, infinite solutions).
8y+11= 6y + 11
solve for y
please help
Answer:
y = 0
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define
8y + 11 = 6y + 11
Step 2: Solve for y
Subtract 6y on both sides: 2y + 11 = 11Subtract 11 on both sides: 2y = 0Divide 2 on both sides: y = 0Answer:
Step-by-step explanation:
8y+11=6y+11
we have the same number in both sides, they will cancel out
8y-6y=0
2y=0
y=0 is the only solution
PLSSS HELP An amusement park has two types of season passes. Plan 1 charges a one-time fee of $175.00 for admission plus $8.00 every trip for parking.
Plan 2 charges a one-time fee of $125.00 for parking plus $13.00 every trip for admission. For what number of trips is the cost of these plans
the same?
Answer:
Dude..... I have no idea what the answer is..... but i give you my good luck to pass math class without going through 50 mental breakdowns.
Step-by-step explanation:
math is disgusting
Given g(x)=4-2(3-x), what is the value of g(1)
Answer:
g(1) = 0
Step-by-step explanation:
To evaluate g(1) , substitute x = 1 into g(x), that is
g(1) = 4 - 2(3 - 1)
= 4 - 2(2)
= 4 - 4
= 0
Answer: its 0
Step-by-step explanation:
PLEASE HELP!!! Complete the equation of the line through (4, - 8) and (8, 5) Use exact numbers. y =
Slope=(5--8)\(8-4)= 13\4
13\4(x-4)=y+8
13\4x-13-8 =y
13\4x-21=y
5. The table below shows the participation in a school's debate club
during the last four years,
Year
1
2
3
4
Students
14
19
25
33
Between which two years did the club see the greatest growth?
By what percent did it grow? Round to the nearest whole number.
Q3-4
lol
Answer:
8
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
40/50
Find the sale price of the item. Round to two decimal places when
necessary. *
Original Price: $40.00; Markdown: 15%
$46
$34
$42
$32
First, determine what 15% of $40 is.
Convert 15% to a decimal: 0.15
Then multiply this decimal by $40: 0.15 x 40 = 6
So the discount is $6.
We subtract the discount from original price to get sale price.
40-6= 34
So the item will cost $34.
find the midpoint rounded to the nearest hundreth a (-2,1) b (-1,1)
Answer:
[tex](-1.5, 1)[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Midpoint Formula: [tex](\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})[/tex]Step-by-step explanation:
Step 1: Define
Endpoint A (-2, 1)
Endpoint B (-1, 1)
Step 2: Find Midpoint
Simply plug in your coordinates into the midpoint formula to find midpoint
Substitute [MF]: [tex](\frac{-2-1}{2},\frac{1+1}{2})[/tex]Subtract/Add: [tex](\frac{-3}{2},\frac{2}{2})[/tex]Divide: [tex](-1.5, 1)[/tex]A seamstress bought some some bolts of fabric at $25.30 each. She spent a total of $227.70. Write an equation and solve to find the number of bolts of fabric that she purchased.
Answer:
227.70 divided by 25.30
Step-by-step explanation:
if she spent 227.70 when 25.30 was how much the fabric costed, you will need to divide to find out how much fabric she got.
solve each system by graphing
Answer:
x4 y9?
Step-by-step explanation:
Don't put my answer in just maike sure its correct!
Marcos delivers newspapers during his summer break. He delivers a different number of papers each day. What percent of the total number of newspapers is delivered on Saturday and Sunday?
A.
52.5%
B.
105%
C.
40%
D.
32.5%
Answer:
52.2% or A
Step-by-step explanation:
55+50 = 105
105/200 = 0.525
0.525 x 100 (to get the percent) = 52.5%
Answer:
52.5%
Step-by-step explanation:
Add together the number of papers delivered on Saturday and Sunday. Then divide that by the total number of papers delivered.
55+50 = 105
105/200=52.5%
In the equation a+b=8, what is the value of a if b= -1
Answer:
9
Step-by-step explanation:
a + b = 8
a + (-1) = 8
a - (-1) = 8 - (-1)
a = 9
It costs $22 to get a pass at a ski report, plus $5.50 each hour to rent skis. Another ski resort charges $18 for a pass and $7.20 per hour to rent skis. Find the number of hours for which the costs are the same. Round your answer to the nearest half hour.
ANSWER WHAT YOU CAN NEED THEM ASAP PLZ
Answer:
5. 23
6. 26
7. 20
8. 45
9. 15
10. 120
11. 60 full triangle is 180 and since it is equilateral you divide it by 3 you get 60
12. It is not possible. if you use the pyagorean theorem (not sure on spelling of that?) you get 16 so its not possible for it to be 12.
What is the length of AC?
If 3 pens cost $2, then how many can can you buy with $20
Answer:
30
Step-by-step explanation:
30 inches in centimetres
Answer:
76.2 cm
Step-by-step explanation:
If you convert, said inches, it wouldn't be an exact number, but it would equal 76.2.
A teacher is assessing the correlation between the number of hours spent studying and the average score on a science test.
The table below shows the data:
(Table In Image)
Part A: Is there any correlation between the number of hours students spent studying and the score on the science test? Justify your answer.
Part B: Write a function which best fits the data.
Part C: What does the slope and y-intercept of the plot indicate?
yes there is a a correlation
f(x) = 4x + 60
slope = 4
y-intercept = 60
There is a correlation between the number of hours spent on studies and the score on music test.
How to explain the correlation?As we increase the 0.5 hour on studying, then the music score increases by 2. The function which best fits the data for the correlation is y=60 + 4x
The slope and y-intercept of the plot indicate? that Y= score obtained in music test and X=number of hours spent on studying. The slope of the above equation represent the rate of increase in music score with respect to an increase in the number of hours spent on studying.
The y-intercept gives the music score when the number of hours spent on studying is zero.
Learn more about correlation on:
https://brainly.com/question/4219149
#SPJ2
PLEASE HELP i really need the answer asap
Answer:
its 16
Step-by-step explanation:
8 /x = 10/20
20 * 8 =160
10 * x =10x
10x = 160
x=16
Mrs. Brown asked four students how to find the perimeter of a rectangle where l = length and w = width. Their answers are below. Which would NOT find the perimeter of a rectangle?
A. P = l + w + l + w
B. P = 2 x l + 2 x w
C. P = 2(l + w)
D. P = 2(l x w)
Answer:
i think its B but i'm not 100 percent sure sorry if im not but i think i am
Step-by-step explanation:
Answer:
It's D
Step-by-step explanation:
You l*w is the area.
solve the inequality -12
Answer:
the answer is 12 because the distance between-12and0 is -12
Classify the statements based on whether they are represented by +3 or -3.
deposit of $3
3 feet above sea level
loss of $3
3°F below 0°F
3 floors below ground level
3°F above 0°F
Answer:
If you deposit money, your bank account shows it as +3
3 degrees below zero = - 3 o F which is darn cold.
3 floors below ground level = - 3 floors below ground level
3 feet above sea level = +3 feet
3 degrees about 0 = + 3
3 dollars lost = -3 dollars.
Step-by-step explanation:
Devin has 48 gingerbread cookies and 60 candy canes that he will put in gift bags for his friends and family. What is the greatest number of gift bags he can make if each bag will have the same number of cookies and the same number of candy canes? Also, identify the number of cookies and candy canes each bag will have.
Answer:
12 is the largest one number of gift bags he can make. Each will have 4 gingerbread cookies and 5 candy canes
Step-by-step explanation:
You get a student loan from the New Mexico Educational Assistance Foundation to pay for your educational expenses this year. Find the interest on the loan if you borrowed $5000 at 5% interest for 1 year
Answer:
500
Step-by-step explanation:
Analyze the diagram below and complete the instructions that follow.
7
y
450
X
Find the value of x and the value of y.
A. x = 16, y = 9V2
B. x = 7, y = 16 V2
C. x= 16V/, y = 7.12
D. x= 7/3, y = 16
Answer:
[tex]A.\ ~~x=16,~ y=9\sqrt{2}[/tex]
Step-by-step explanation:
We have completed the diagram with some lengths that come directly from the figure's symmetry.
Note the triangle formed at the left side of the trapezium is isosceles because it has an angle of 90° and another angle of 45°.
This means the base of the triangle has the same length as the height of 9.
This means the total base of the trapezium is x = 9 + 7 = 16
The right triangle must satisfy Pythagora's Theorem:
[tex]y^2=9^2+9^2[/tex]
[tex]y^2=2*9^2[/tex]
[tex]y=\sqrt{2*9^2}[/tex]
Simplifying the radical:
[tex]y=9\sqrt{2}[/tex]
The correct answer is: [tex]\mathbf{A.\ ~~x=16,~ y=9\sqrt{2}}[/tex]
A warehouse is used as a grannary. It is in
the shape of a cuboid surmounted by a
half-cylinder. The base of the warehouse is
6 m x 14 m and its height is 8 m. Find the
surface area of the non-cuboidal part of the
warehouse.
Answer:
7467.4 square meters djdkdkdmmdkd
