25 per cent of 600 is equal to 15 per cent of what number?
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There are so many little things that go into organic farming and each of them adds additional costs. Some of these additional costs are listed in the article located here. Use the data table at the end of the document to answer the questions. Which cost category in the table shows an example of direct variation? The total cost for office expenses to run the organic strawberry farm varies directly with the number of months it is used. Which equation represents this scenario? What would be the total cost for office expenses for 24 months?
Hi! I was putting up a test on other people with this question and i wanted to see if anyone solves this correctly? PLEASE ANSWER ASAP
250 + 200h = 300 + 180h250 + 200h = 300 + 180h − 180h − 180h 250 + 20h = 300 h = credit hours
The charge of ISD from Biratnagar to Tokyo is Rs 125 for the first 3 minutes and Rs 15 for every additional 10 seconds. If a man made a call from Biratnagar to his friend in Tokyo and paid Rs 305, how long did he make a call
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Answer:
Step-by-step explanation:
Volume of the stack of paper is 140.25 cubic inches
The length and width of the stack will be equal to that of a single sheet of paper so
Let be the height of the stack.
Volume of the stack would be
So the stack has a height of 1.5 inches. Now there are 400 sheet of paper in the stack.
Thickness of one sheet of paper is given by
Hence, the height of each sheet of paper is .
B.77 x 7-10
C. 7-2 x 7-5
D. 7-5 x 72
(All expressions have an Integer either negative or positive u just can't type it correctly here and B and D or not 77 or 72 it's 7 and positive 7 and D is 7 positive 2
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This is just equal to
1 / 7^3 = 7^-3
A. 7^-1 * 7^-2 = 7^(-1 + -2) = 7^-3
B. 7^7 * 7^-10 = 7^( 7+ -10) = 7^-3
C. 7^-2 * 7^-5 = 7^(-2 + -5) = 7^-7
D. 7^-5 * 7^2 = 7^(-5 + 2) = 7^-3
So the correct answer is letter C. 7^-2 * 7^-5
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(b) Find the height above the ground where the plank touches the wall. Round to the nearest foot.
Please someone help
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Given that the distance of the ground is 9ft.
Length of the plank is 41 ft
In order to get the angle formed between the ground and the foot of the plank,
cos (theta) = ground / plank
cos (theta) = 9 / 41
cos (theta) = 0.21951...
theta = cos^-1(0.21951...)
theta = 77.3 degrees
(b) Find the height above the ground where the plank touches the wall. Round to the nearest tenth of a foot.
Height = square root (plank^2 - ground^2)
Height = square root (41^2 - 8^2)
Height = square root (1600)
Height = 40
(A) 77.1 Degrees
(B) 40 feet
what does ? equal
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Answer:
2/81
Step-by-step explanation:
let ? be A,
A×81/2=1
A=1×2/81
A=2/81
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The quadratic expression (x+4)² = x² + 8x + 16.
The given expression is,
(x+4)²
The expression (x+4)² represents a mathematical operation called "squaring."
To expand it, we need to multiply the expression by itself.
So, (x+4)² becomes (x+4) * (x+4).
When we multiply these terms, we apply the distributive property and combine like terms.
After simplifying, we get x² + 8x + 16.
Or we can directly use the identity,
(a+b)² = a² + b² + 2ab
Here a = x and b = 4
(x+4)² = x² + 4² + 8x
Hence,
(x+4)² = x² + 8x + 16
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Use the FOIL method to simplify
F=First (multiply the first number of each expression)
O=Outside (multiply the outside edges of each expression)
I= Inside (multiply the inside edges of each expression)
L= Last (multiply the last number of each expression)
x times x= x²
x times 4= 4x
4 times x= 4x
4 times 4= 16
Add them together, we have: x²+4x+4x+16
We can simplify this by adding like terms
4x+4x=8x
Final expression= x² + 8x + 16