The correct answer is Store A: Sale of 10% off and a successive discount of 10% off.
Further explanation:
Discount is the reduction of amount in the cost price of any item.
The following formula for discount can be used when the rate of discount and the cost price is given.
The following formula for selling price can be used when the discount and the cost priceis given.
Given:
The price of an item is .
Calculation:
Store A is allowing 10% off and then allowing a successive discount of 10%.
The first discount of an item by the use of the formula can be calculated as,
Now, the selling price after allowing the first discount is,
The successive discount on the item can be calculated as,
Now, the selling price after allowing second discount is,
Therefore, the amount we have to pay to Store A is .
Store B is giving 15% off with no additional discount.
The discount of an item by the use of the formula can be calculated as,
Now, the selling price after allowing discount can be calculated as,
Therefore, the amount we have to pay to Store B is .
Store C is giving $35 off and then allowing a successive discount of 10%.
Now, the selling price after allowing first discount can be calculated as,
The successive discount on the item can be calculated as,
Now, the selling price after deducting second discount can be calculated as,
Therefore, the amount we have to pay to Store C is .
It can be clearly seen that if we buy an item which is priced at $360 from Store A then we have to pay least amount of $291.6.
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Answer details:
Grade: Middle school
Subject: Mathematics
Chapter: Profit and Loss
Keywords: Percentage , profit , loss, discount, cost price, selling price, marked price, rate of discount, amount, succesive discount, reduction, maximum, price .
Which is the correct solution set for 4x^2 +4x -3 = 0? (1) {2,-3} (2) {1/2, -3} (3) {1,2} (4) {1/2, -3/2}
Answer:
Radius - 4
Apothem - 2
Area - or 20.8
Step-by-step explanation:
Try to draw out my explanation so you know what this looks like.
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This is an equilateral triangle, so all sides are the same length. The perimeter can be divided by 3 to get each side length...
Now that we know the side lengths, we can get this started!
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Now, an equilateral triangle has angles that all equal 60 degrees. We can bisect this into TWO special case triangles of measures 90-60-30.
4 times the square root of 3 will be the hypotenuse, and the smallest leg is always half of that. The larger leg is represented as the small leg times the square root of 3.
By the way, the formula for the area can be either of the two:
we can easily find the area using the first formula.
The radius is the distance from the center to the corners & the apothem is the distance from the center to a side...
So we can divide the big triangle into a mini triangle at the bottom left/right
The height (small leg) of that triangle would be the apothem
The hypotenuse of that triangle would be the radius.
I did the math really quick because this is getting long. Anyhow, the small leg is 2 so is the apothem, and the hypotenus is 4, so is the radius
Happy April Fool's btw, lol.
Answer:
(4,1)
Step-by-step explanation:
The vertex of the quadratic can be found using -b/2a. The vertex is the point (-b/2a, f(-b/2a)).
To find the x coordinate of the quadratic, define its a,b, and c. The quadratic has a = 2, b=-16, and c=31. Then -b/2a is -(-16)/2(2) = 16/4 = 4.
To find the y-coordinate, input the x=4 and solve for y.
The vertex is (4,1).
There are 8 bits in a dollar.
We have,
If a "bit" is defined as 1/8 of a dollar, we can calculate the number of bits in a dollar by dividing the dollar amount by the value of a bit.
1 dollar / (1/8) bit = 1 dollar * (8/1) bit
Simplifying the equation:
1 dollar * 8 bits = 8 bits
Therefore,
There are 8 bits in a dollar.
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