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mestny [16]
3 years ago
12

What is the area of triangle ABC?

Mathematics
1 answer:
Alja [10]3 years ago
8 0

Answer:

200 sq units

Step-by-step explanation:

As you might know, 3 angles of a triangle adds up to 180*. Since you already know the angles are 60* there is one more 60*. So by this you know that all the sides are equal.

As the given states, one side is 20. So following the standard way to get the area of a triangle b*h/2; 20*20 = 400 / 2 = 200 sq units

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Step-by-step explanation:

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3 years ago
CAN SOMEONE PLEASE SHOW ME HOW TO DO THIS IM CONFUSED!!!!!
Mnenie [13.5K]

Answer:

D. 160J

Step-by-step explanation:

Work = Force * Distance

but where is the force?

from here:

weight (not mass) is a force unit (Newtons) so it can be used here.

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Mass * G

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8 0
3 years ago
A card is drawn at random from a standard 52-card deck find the probability that the card is not a 4
Kazeer [188]

Answer:

D

Step-by-step explanation:

We know that four (4) queen cards are present in the deck of 52 cards. So, the probability of drawing one queen card is calculated as,

P = 1/13

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3 0
3 years ago
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Answer:

6. 4x^2 + x - 1
7. 3x^2 + 4x + 4

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4x^2 + x - 1

(5x^2 + 8x - 2) - (2x^2 - 4x + 6)
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3 years ago
A hyperbola centered at the origin has a vertex at (3, 0) and a focus of the hyperbola is located at (9,0). What are
MariettaO [177]

Answer:

Step-by-step explanation:

x²/a² - y²/b² = 1

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vertex (3,0), so a = 3

focus (9,0)

e = 9/a = 3

directrices: x = ±a/e = ±1

5 0
3 years ago
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