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RideAnS [48]
3 years ago
14

Margo borrows $100, agreeing to pay it back with 6% annual interest after 6 months. How much interest will she pay.

Mathematics
1 answer:
defon3 years ago
8 0
Okay so she paid 100 dollars. There is 6 percent every month.

100*0.06=6

So, after 1 year it will be at 106 dollars...

But, we are looking for 6 months which is half of the year.

6/2=3...

So she will pay 3 dollars in interest.
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In isosceles triangle WXY, XY is 13 inches in length and WY is 10 inches. What is the length of XZ? answer asap please
Anna11 [10]
<h3>Answer:  12 inches</h3>

=============================================================

Explanation:

Notice the double tickmarks on segments WZ and ZY. This tells us the two segments are the same length. Let's say they are m units long, where m is a placeholder for a positive number.

That would mean m+m = 2m represents the length of segment WY, but that's equal to 10 as the diagram shows. We have 2m = 10 lead to m = 5 after dividing both sides by 2.

We've shown that WZ and ZY are 5 units long each. In short, we just cut that length of 10 in half.

-----------------------------------

Let's focus on triangle XYZ. This is a right triangle with legs XZ = unknown and ZY = 5. The hypotenuse is XY = 13.

We'll use the pythagorean theorem to find XZ

a^2 + b^2 = c^2

(XZ)^2 + (ZY)^2 = (XY)^2

(XZ)^2 + (5)^2 = (13)^2

(XZ)^2 + 25 = 169

(XZ)^2 = 169-25

(XZ)^2 = 144

XZ = sqrt(144)

XZ = 12

Segment XZ is 12 inches long.

8 0
2 years ago
A parabola has a vertex at (-1,0) and opens down. What is the equation of the parabola?
Lapatulllka [165]

Answer:

y = - (x + 1)²

Step-by-step explanation:

Vertex form of a parabola is given by,

y = -(x - h)² + k

Where (h, k) is the ordered pair representing vertex.

(-) sign denotes that the parabola is opening downwards.

If the coordinates of the given parabola is (-1, 0)

Equation of the parabola will be,

y = - (x + 1)² + 0

y = - (x + 1)²

Therefore, equation of the parabola will be, y = - (x + 1)²

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There where four times as many trucks as vans. What is the ratio of the statements could compare the number of trucks to vans .
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Answer:

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Step-by-step explanation:

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2 years ago
There are already 1,600 gallons of water in a swimming pool. If water is filling the pool at a rate of 25 gallons per minute, wh
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Answer:

y = 25m + 1400 is your equation

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