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Vedmedyk [2.9K]
3 years ago
15

How can you an area of triangles and trapezoids

Mathematics
1 answer:
Vikki [24]3 years ago
4 0
<span>A parallelogram can be divided into two congruent triapezoids. The area of each trapezoid is one-half the area of the parallelogram. The two parallel sides of atrapezoid are its bases. If we call the longer side b1 and the shorter side b2, then the base of the parallelogram is b1+b2</span>
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A driver is 15 feet below the surface of the water 10 seconds after he entered the water and 90 feet below the surface after 40
spin [16.1K]

Answer:

\frac{-75ft}{30sec} or simplified would be \frac{-2.5ft}{sec}

Step-by-step explanation:

In order to calculate the rate of change, we must subtract his end position and end time by the starting position and starting time. We are using the -15 feet since it is below the surface area as the starting position and the 10 seconds as the starting time. We make each of these into a fraction and subtract like so...

\frac{-90ft - (-15ft)}{40sec - 10sec} = rate of change

\frac{-75ft}{30sec} = rate of change

\frac{-2.5ft}{sec} = rate of change

Therefore, we can see that the rate of change of the diver is \frac{-75ft}{30sec} or simplified would be \frac{-2.5ft}{sec}

6 0
3 years ago
carla has $300 in her bank account. Each time she goes to the atm, she withdraws $20. The amount of money left in her bank accou
PilotLPTM [1.2K]

Answer:

x-intercept(s): (15,0)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is 6(36,200)-(21)(8,050)?
coldgirl [10]
I'm guessing these problems are meaning multiplication in which you need to multiply them but don't worry here is your answer. 

6 * 36,200 = (217,200) 
 
21 * 8,050 = (169,050)

Subtract your totals which gives you (48,150) is your answer! 

Hope this helps. 
Have a great day!!!
6 0
3 years ago
The height of a right cylinder is 3 times the radius of e base. The volume of the cylinder is 24π cubic units. What is the heigh
Nimfa-mama [501]

Volume = pi * r^2 * h 
h = 3r
pi * r^2 * (3r) = 24 pi
3r^3 = 24
r^3 = 8
r = 2

 Height = 3*2 = 6 units

 

6 0
3 years ago
Read 2 more answers
Which estimate is the most reasonable for this problem?
Ber [7]
B.
8.000 km because you round 9,162 down to 9,000 and round 969 to 1000 then subtract
4 0
3 years ago
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