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Bumek [7]
3 years ago
12

You randomly select one card from a 52-card deck. Find the probability of selecting a black three or a red jack ) The probabilit

y is (Type an integer or a fraction Simplify your answer ​
Mathematics
1 answer:
matrenka [14]3 years ago
8 0
1/13

2 black 3s and 2 red Jacks, 4 cards out of 52.
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Each face of a pyramid is an isosceles triangle with a 82° vertex angle. What are the measures of the base​ angles? PLZ help
Gnesinka [82]
Base=(180°-vertex)/2=(180-82)/2=98/2=49°

base angles are 49°
3 0
4 years ago
I need help with this problem:(​
steposvetlana [31]

Answer:

8

Step-by-step explanation:

According to Euclidean theorem

m^2 = 4×16

m^2 = 64

m = 8

3 0
3 years ago
A rational number equivalent to 7/8 is​
MrMuchimi

Answer:

0.875

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Median? 93; 17; 85; 42; 15; 19; 78
love history [14]
The median is the number in the middle when all of the numbers are placed in order (from lowest to highest).

15; 17; 19; 42; 78; 85; 93


The answer in this case would be 42.
6 0
3 years ago
Find the measures of the numbered angles in isosceles trapezoid for question 6!!!!
snow_lady [41]
Because it's iscosceles, angle 1 is similar size to the angle on the right leg.
∠1 = 67°

The sum of interior angles in trapezoid equals to 360°.
And because it's iscosceles, the upper angles are in the same size. We can write it as,
the sum of angles = 360°
67° + 67° + ∠2 + ∠2 = 360°
134° + 2 × ∠2 = 360°
2 × ∠2 = 360° - 134°
2 × ∠2 = 226°
∠2 = 113°

Final answer
∠1 = 67°
∠2 = 113°
6 0
3 years ago
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