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nikdorinn [45]
3 years ago
5

Sammy is trying to determine how many triangles she can crate out of a square grid that has a side of 10 inches. Use the image b

elow to determine the area of the triangle and how many she can cut out:

Mathematics
2 answers:
luda_lava [24]3 years ago
8 0
The Area of that is 25 and yes they can cut out 4
san4es73 [151]3 years ago
5 0

Answer:

Area is 25 and she can cut out 4

Step-by-step explanation:

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A magician has a collection of 52 cards, with 26 red and 26 black cards. Four of these cards are classified as 'special', and tw
Brums [2.3K]

Answer:

option B (28/52)

Step-by-step explanation:

from probability

P(A∪B)=P(A)+P(B)-P(A∩B)

where

P(A∪B) = probability that event A or B happen

P(A∩B) = probability that event A and B happen simultaneously

P(A) =  probability that event A happen

P(B) =  probability that event B happen

the probability that the card is special or red

P( special or red)= P(special) + P(red) - P( special and red)

since

P(special)= 4/52

P(red) = 26/52

P( special and red) = 2/52

therefore

P( special or red)= 4/52 + 26/52 -  2/52 = 28/52

P( special or red)= 28/52

(option B)

6 0
3 years ago
Please help I need this
ladessa [460]

Answer:

4+2 i

Step-by-step explanation:

i=\sqrt{-1}

4+\sqrt{-4} =4+\sqrt{-1}  * \sqrt{4} =4+i2

6 0
2 years ago
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What is 9/2÷3/4?
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Step-by-step explanation:

I used a calculator. :)

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aalyn [17]

Answer:

The attachment shows ΔBAC ~ ΔBDA

Step-by-step explanation:

You want segment AB to be part of two similar, but not congruent, triangles. One way to do that is to make AB the hypotenuse of one triangle and the leg of another.

It is convenient to construct these triangles using point M as the arbitrary midpoint of the hypotenuse of the larger triangle. (We don't know the coordinates of M—we just know it is on the perpendicular bisector of AB.) BC is a diameter of circle M, and AD is the altitude of ΔABC.

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