A square playground is surrounded by a sidewalk on all sides. the sidewalk is 2n+3 yards long on each side of the park.The sidew
1 answer:
Answer:
yards.
yards.
Step-by-step explanation:
We have been given that a square playground is surrounded by a sidewalk on all sides. The sidewalk is yards long on each side of the park.
Since side walk is 0.5 yard wide, so each side of playground will be 0.5 less than each side of sidewalk.
Since playground is square, so perimeter of playground will be 4 times the length of each side of playground.
Upon distributing 4 we will get,
Therefore, perimeter of playground will be yards or
yards.
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Answer:
It will take 14.29 years for your bank balance to double from $1,000 to $2,000.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
.
If the interest rate is 7%, how many years will it take for your bank balance to double from $1,000 to $2,000?
We have that
We want to find t when E = 1000, so .
It will take 14.29 years for your bank balance to double from $1,000 to $2,000.
Answer:
f(x) = 3x^2 -21x +36
Step-by-step explanation:
The table gives the x- and y-intercepts, which are sufficient to write the equation in factored form. The x-intercepts of 3 and 4 tell you that factors are (x -3)(x -4). When x=0, this product is (-3)(-4) = 12, but the y-intercept value is 3 times that: 36. So, the factored equation is ...
f(x) = 3(x -3)(x -4)
Multiplying this out, we get ...
f(x) = 3(x^2 -7x +12)
f(x) = 3x^2 -21x +36
Answer:
C. 5
Step-by-step explanation:
Point R divides the line segment PQ internally. The x-coordinate of the point which divides the line segment in ration m:n internally can be calculated as:
Here, x1 is the x-coordinate of 1st point, x2 is the x-coordinate of 2nd point, x is the x-coordinate of point dividing the segment. We have all the values except x2. Using the given values in above formula, we get:
Thus the x-coordinate of point Q will be 5
The x-coordinate of Q is 5.