Kayla buys two pairs of jeans for j dollars each and one shirt for 15 dollars. The cost of one pair of jeans is $22.5 (twenty-two dollars and fifty cents)
From the given information
- Let the cost of two pairs of jeans be 2j
- The cost of 1 shirt = 15
- Total amount to spent = $60
∴
The equation is said to be expressed as:
Collect like terms
Divide both sides by 2
- j = 22.5
Therefore, we can conclude that the cost of one pair of jeans is $22.5 (twenty-two dollars and fifty cents).
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Answer:
74% change
Step-by-step explanation:
Percentage is the fraction between two values usually the obtained value against the total obtainable value and multiply by 100.
% change = (value in September / value in july) * 100
% change = (5.51 / 7.45) * 100
% change = 0.7395 * 100
% change = 74%
10a+1 is your finally answer
Answer: 4
Step-by-step explanation:
If I had 3 to the power of 4, I would multiply it by three 4 times. (3x3x3x3=81) The exponent is telling me how many times to use 3 in multiplication
This is my 100th answer :D
Answer:
21.88
39.06
Step-by-step explanation:
For starters, we say
let the length of side of the square be x
We only that the area of a circle is πr² and we have a circumference of a circle, c = 2πr, so then, we say that
r = c/2π and c = (25 - 4x)
a = x² + π * [(25 - 4x)/2π]², opening the bracket, we have
a = x² + (25 - 4x)²/4π
This function then has a minimum at
x = 25/(4 + π)
x = 25 / 7.142
x = 3.5
substituting for x = 3.5, we have
a = 3.5² + (25 - 4*3.5)²/(4*3.142)
a = 12.25 + (25 - 14)²/12.568
a = 12.25 + 11²/12.568
a = 12.25 + 121/12.568
a = 12.25 + 9.628
a = 21.88
The area is 21.88
At x = 0 the area is just the circle
a = π * (25/2π)²
a = 625/4π
a = 625/12.568
a = 49.73
At x = 25/4 the area is just the square
a = 625/16 = 39.06