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mylen [45]
2 years ago
15

There is a pair of parallel sides in the following shape.

Mathematics
1 answer:
vitfil [10]2 years ago
7 0

The area of the given figure is 30 square units

<h3>Area of a trapezoid</h3>

Let the given image be a trapezium

The formula for calculating the area of a trapezium is expressed as;

A = 0.5(a+b)h

Let

a = 17

b = 3

h = 3

Substitute into the formu;a

A = 0.5(3+17)*3
A =  10(3)

A = 30 square units

Hence the area of the given figure is 30 square units

Learn more on area of trapezium here; brainly.com/question/16904048

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The Campbells went out to dinner at Chilli's. They spend $64.00 and want to leave a 20% tip. How much did they tip their server?
Leviafan [203]

Answer:

12.8$

Step-by-step explanation:

20% is equal to 0.2. You multiply 64 by 0.2. I hope this helps.

6 0
2 years ago
The radioactive isotope radium has a half-life of 1,600 years. The mass of a 100-gram sample of radium will be______ grams after
Olenka [21]
To solve this we are going to use the half life equation N(t)=N_{0} e^{( \frac{-0.693t}{t _{1/2} }) }
Where:
N_{0} is the initial sample
t is the time in years
t_{1/2} is the half life of the substance
N(t) is the remainder quantity after t years 

From the problem we know that:
N_{0} =100
t=200
t_{1/2} =1600

Lets replace those values in our equation to find N(t):
N(200) =100e^{( \frac{(-0.693)(200)}{1600}) }
N(200)=100e^{( \frac{-138.6}{1600} )}
N(200)=100e^{-0.086625}
N(200)=91.7

We can conclude that after 1600 years of radioactive decay, the mass of the 100-gram sample will be 91.7 grams.

8 0
3 years ago
The medians of triangle XYZ intersect at Point P. If PY=12, what is VY?
AlekseyPX

Answer:

18

Step-by-step explanation:

PY = \frac{2}{3} YV

\frac{2}{3} YV = 12

VY = 18

3 0
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Step-by-step explanation:

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