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Leona [35]
4 years ago
5

Brian flips a fair coin 3 times. What is the probability of getting exactly 1 tail?

Mathematics
1 answer:
Leya [2.2K]4 years ago
3 0

Answer:

1/3

Step-by-step

he flips the coin three time and there is one side so 1/3

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3 0
4 years ago
There are 190 students taking band, chorus, or both. If there are 180 students taking band and 60 students in both band and chor
Fynjy0 [20]

The answer would be 10. I know this because I got it right on my assignment. Have a great day!

6 0
4 years ago
Read 2 more answers
PLEASE HELP,, MARKING BRAINLIEST!!!
KIM [24]

Answer:

A. Triangles are similar by AA similarity.

Step-by-step explanation:

By the Angle Angle Similarity Theorem, if two pairs of corresponding angles are congruent, then the triangles are similar.  As a given, Angle E is 35 degrees and Angle B is 45 degrees, which means that Angle R is 100 degrees; By definition, a triangle is 180 degrees in total.  Therefore, Angle R is congruent to Angle A.  Angles REB and AEZ are also congruent by the vertical angle theorem.  

In conclusion, triangles AEZ and REB are similar by the AA similarity theorem.

7 0
3 years ago
The length of a rectangle is 6 meters more than its width. If the area is 135 square meters, what is its width?
Novay_Z [31]
Length = width +6

L * (L - 6) = 135

L^2 - 6L = 135

L^2 - 6L -135 = 0

Length = 15
Width = 9


4 0
4 years ago
Find the perimeter of ABC with vertices A (1,1), B (7,1), and C (1,9)
Effectus [21]

Answer:

24 unit

Step-by-step explanation:

Given,

The vertices of the triangle ABC are,

A (1,1), B (7,1), and C (1,9),

By the distance formula,

AB=\sqrt{(7-1)^2+(1-1)^2}=\sqrt{6^2}=6\text{ unit}

BC=\sqrt{(1-7)^2+(9-1)^2}=\sqrt{6^2+8^2}=\sqrt{36+64}=\sqrt{100}=10\text{ unit}

CA=\sqrt{(1-1)^2+(1-9)^2}=\sqrt{8^2}=8\text{ unit}

Thus, the perimeter of the triangle ABC = AB + BC + CA = 6 + 10 + 8 = 24 unit

4 0
3 years ago
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