Mr. and Mrs. Lorenzo have saved $38,430 for the home they want to buy
Information about the problem:
- Initial cost = $213,500
- Savings = 18%.
- Final savings =?
To solve this exercise we have to apply the percentage formula:
Final savings = initial cost * savings / 100
Final savings = $213,500 * 18 / 100
Final savings = $213,500 * 0.18
Final savings = $38,430
<h3>What is a percentage?</h3>
Percentage is defined as the number that represents a ratio of a total that is divided by 100 equal parts. It is represented by the symbol %.
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Answer:
2.4747996 * 10^1
Step-by-step explanation:
When working in scientific notation, (a * 10^b) * (c*10^d)
Multiply a*c then add 10 ^(b+d)
Then check that the product of ac is between 1 and 10, if not then we need to adjust so that it is
(7.93205×10^8) • (3.12×10^-8)
(7.93205) • (3.12) =24.747996
10^(8-8) = 10^0
24.747996 needs to be adjusted to be between 1 and less than 10
we move the decimal 1 to the left so we add 1 to the exponent
2.4747996 * 10^0+1
2.4747996 * 10^1
Answer:
The ratio is;
3/7 : 1
Step-by-step explanation:
Here, we want to express the given ratio in the form n:1 where n is a fully simplified fraction
Mathematically, we have this by dividing both numbers by 14
That would be ;
6/14 : 14/14
= 3/7 : 1
Answer:
y = (x - 10)^2 / 100 + 1
Step-by-step explanation:
given:
A suspension footbridge has two 2-meter vertical supports 20 meters apart so the cable connecting 'em will be a convex parabola
The lowest point of the cable, which is the vertex, 1 meter above the path.
y-axis represents the left support and the other vertical support is at x=20
by symmetry, the vertex is mid-pt between the two supports, @ x=20/2=10
so vertex is at (10,1)
vertex form of parabola is y = a(x - h)^2 + k, where (h, k) is the vertex
so y = a(x-10)^2 + 1
at y-axis, x=0, y=2
2 = a(0-10)^2 + 1
2 - 1 = 100a
a = 1/100
so the eqn is y = (x - 10)^2 / 100 + 1
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