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Romashka-Z-Leto [24]
3 years ago
14

How do you calculate the area of triangle DEF?

Mathematics
2 answers:
cricket20 [7]3 years ago
8 0
First you need to solve for angle F then you can use 1/2acSinB. If you haven't done this you can also use the Pythagoras theorem and solve for the unknown side once you do that you can just use 1/2 b*h
Kazeer [188]3 years ago
4 0
Area equals 1/2  ( base times height )
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PLEASE HELP
Goshia [24]

Answer:

Original cost was $19.99

Step-by-step explanation:

100% - 15% = 85%

16.99 / 0.85 = 19.99

To check:

19.99 * 0.15 = 2.998

19.99 - 2.998 = 16.992 = 16.99

Correct!!

5 0
3 years ago
Read 2 more answers
What is the value of (3 + 2)2 - 5 * 3 +23?
tamaranim1 [39]

Answer:

15

Step-by-step explanation:

6 0
3 years ago
Which of the following is the graph of f(x) = x^2? Click on the graph until the correct graph appears.
Kipish [7]

Answer:

Step-by-step explanation:

I input the equation and got this graph, hope this helped! :)

7 0
3 years ago
Which expression is equivalent to -7/9
atroni [7]

The expression from the given options that is equivalent fraction -7/9 is -14/18.

<h3>What is a fraction?</h3>

Fraction can be described as the expression of numbers, which usually have the numerator and the denominator, and this do contains two integers arranged on each other.

From the given fraction,-7/9 if start o test the options by reducing them int their simplest form we will deduced that option B is correct because if we divide 14 by the factor of 2, and 18 by the factor of 2, then it will give us  -7/9 which is a negative value of fraction in the question.

Therefore, option B is correct.

Learn more about fraction at:

brainly.com/question/11562149

#SPJ1

Check the complete options

A. 14/18

B. -14/18

C.21/27

D.35/45

5 0
1 year ago
You are driving in a car with your brother and your sister. As you approach the next corner, your brother tells you to turn left
Reika [66]

Answer:  d. mutually exclusive

Step-by-step explanation:

Mutually exclusive events are those events that cannot happen at the same time. If one event happens, the other has a zero chance of happening at the same time.

Event A and Event B here are Mutually Exclusive because you cannot turn left and right at the same time. If you listen to your brother and turn left, you cannot also listen to your sister and turn right at the same time.

5 0
4 years ago
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