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ale4655 [162]
3 years ago
14

Polygon ABCD has the following vertices: A(−3, 3), B(5, 5), C(5, −4), and D(−3, −4) Calculate the area of the polygon.

Mathematics
1 answer:
swat323 years ago
7 0
Check the picture below.

notice, is really just an 8x7 rectangle, with a triangle on top, the triangle has a base of 8, and a height of 2.

so, just get the area of the rectangle and the triangle, recall that A = 1/2 bh for a triangle, and sum them up, and that is the area of the polygon.

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**URGENT**
sdas [7]
Let's have Steve's age be <em>x</em><em />, and his father's age be <em>f</em>
Then, we can set up equations
Steve is one-fourth as old as his father goes to an equation as x=(1/4)f
In five years (x+5), Steve will be one-third as old as his father will be (f+5). This goes to an equation as x+5=(1/3)(f+5)
We can then solve the first equation for either variable (I will be doing f), and plug it in for a system of equations. 

x=(1/4)f
4x=f ← plug that in for f in the next equation

x+5 = (1/3)(4x+5) ← Solve this for x
3(x+5)=4x+5
3x+15=4x+5
3x+10=4x
10=1x
x=10

Therefore, Steve's age is 10. His father's age is <em>f=4x, </em>plug in 10 for x, and his father's age is 40


3 0
3 years ago
Round 35.113 to the nearest hundredth
mamaluj [8]

You would round 35.113 to 35.11 because you round the last 3 down because it is smaller than 5, so it would be 35.11

5 0
3 years ago
A theater has 15 rows of seats with 25 seats in each row. If 19 of the seats are vacant , how many are taken?
Dafna11 [192]

Answer:

356 seats

Step-by-step explanation:

25x15=375

375-19=356

4 0
3 years ago
Use signed numbers to solve. A helicopter rose 2400 feet, descended 1650 feet, and then descended another 725 feet. What was the
AlladinOne [14]
+2400-1650-725= 25

The answer is A. gained 25ft.
4 0
3 years ago
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