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fiasKO [112]
3 years ago
14

Please help with geometry! Will give thanks and brainliest answer.

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
6 0
B - 63 Degrees, obviously because all angles add up to a sum of 180 degrees.
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Solve this system of equations<br><br> 5x + 4y = 6<br> 10x -2y = 7
Akimi4 [234]

Answer:

x = 4/5

y = 1/2

Step-by-step explanation:

8 0
2 years ago
If A is at (0,-8) and B is at (2,-4), what are the coordinates of C?
ivolga24 [154]

Answer:

the answer is 4, 0

7 0
3 years ago
Find the perimeter of the above rectangle.
4vir4ik [10]

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74

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Bob discovers a box with 30 identical, used, rechargeable batteries in his attic.
monitta

Answer:

a) All of them are out of charge = 9.31x10⁻¹⁰

b) 20% of them are out of charge = 5.529x10⁻⁴

Step-by-step explanation:

This problem can be modeled as a binomial distribution since

There are n repeated trials and all of them are independent of each other.

There are only two possibilities: battery is out of charge and battery is not out of charge.

The probability of success does not change with trial to trial.

Since it is given that it is equally likely for the battery to be out of charge or not out of charge so probability of success is 50% or 0.50

P = 0.50

1 - P = 0.50

a) All of them are out of charge?

Probability = nCx * P^x * (1 - P)^n-x

Probability = ₃₀C₃₀(0.50)³⁰(0.50)⁰

Probability = 9.31x10⁻¹⁰

b) 20% of them are out of charge?

0.20*30 = 6 batteries are out of charge

Probability =₃₀C₆(0.50)²⁴(0.50)⁶

Probability = 5.529x10⁻⁴

5 0
3 years ago
Which of the following is a subset of {1, 3, 5, 7, 9}?
MakcuM [25]
In mathematics, a set A is a subset of a set B, or equivalently B is a superset of A, if A is "contained" inside B. I belive the correct answer from the choices listed above is the second option. It is the set  {5, 6, 7} that is a subset of <span> {1, 3, 5, 7, 9}. Hope this answers the question</span>
7 0
3 years ago
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