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ad-work [718]
3 years ago
15

Which number is prime? Choose each correct answer. 55 56 57 58 59 60 61 Please help. Will mark brainiest.

Mathematics
2 answers:
Alchen [17]3 years ago
7 0

Answer:

Hey there!

59 and 61 are the only prime numbers in this list.

Let me know if this helps :)

juin [17]3 years ago
3 0

Answer:

59 and 61

Step-by-step explanation:

Prime numbers are positive, non-zero numbers that have exactly two factors. So in your case, 59 and 61. 55 is divisible by 5. 56 is divisible by 2. 57 is divisible by 3. 58 is divisible by 2. And 60 is divisible by 2.

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What is the reliability of a two-component product if the components are in parallel, with individual reliabilities of 0.95, and
user100 [1]

The reliability of a two-component product if the components are in parallel is 0.99.

In this question,

The probability of failure-free operation of a system with several parallel elements is always higher than that of the best element in the system. Reliability can be increased if the same function is done by two or more elements arranged in parallel.

A system contains two components that are arranged in parallel, they are 0.95 and 0.80.

Therefore the system reliability can be calculated as follows

⇒ 1 - ( 1 - 0.95 ) × ( 1 - 0.80 )

⇒ 1 - (0.05 × 0.20)

⇒ 1 - 0.01

⇒ 0.99

Hence we can conclude that the reliability of a two-component product if the components are in parallel is 0.99.

Learn more about reliability of components here

brainly.com/question/20314118

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6 0
1 year ago
7. PLS I NEED AN ANSWER ASAP
Advocard [28]

Part A: 3x + 15 = 5x - 25

Part B: x = 20

8 0
3 years ago
For each value of u, determine whether it is a solution to -15 = 1 - 4u
Alona [7]

Answer:

1. No

2. No

3. No

4. Yes

Step-by-step explanation:

Plug each option into u then solve the equation and see if the answer matches -15.

Ex. -15 = 1 -4 (2)

     -15 = 1 -8

     -15 = -7

     -15 does not equal -7 therefore it is false. Use Pemdas to solve.

6 0
3 years ago
Solve <br> -15-2g+6g=1+6g
katrin [286]
<span>-15-2g+6g=1+6g
Combine like terms
-2g=16
Divide by -2 on both sides
g=-8</span>
7 0
3 years ago
Read 2 more answers
What is the sum of forty-six and ninety-four?
lbvjy [14]

Answer:

140

Step-by-step explanation:

46+94 = 140

8 0
3 years ago
Read 2 more answers
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