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Scilla [17]
3 years ago
7

Will give correct answer brainliest

Mathematics
1 answer:
Sidana [21]3 years ago
6 0
I’m pretty sure it’s x=10 because
8x + 50 = 130
So we would subtract 50 from both sides so it would be 8x = 130 - 50 then it would give us 80 so now we have 8x =80, now we will need to divide the 8 on both sides to get x, so 80/8 equals 10
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Last Question...Please help if you can...(25 points if you answer this)
tresset_1 [31]

Answer:

  • Annie- 17 hours, Brian- 3 hours

Step-by-step explanation:

Let the number of hours Annie travelled be a, and same of Brian be b

<u>Then we have</u>

  • a + b = 20
  • a = 5b + 2

<u>Substituting a in the first equation</u>

  • 5b + 2 + b = 20
  • 6b = 20 - 2
  • 6b = 18
  • b = 3

<u>Then finding a</u>

  • a = 20 - 3 = 17

<u>So the answer is:</u>

  • Annie- 17 hours, Brian- 3 hours
5 0
3 years ago
I really need help i think my brain died
lyudmila [28]
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4 0
2 years ago
Jorge randomly selects a digit from 0 to 9. What is the probability that the digit he selects is a prime number?
zloy xaker [14]

Step-by-step explanation:

{0,1,2,3,4,5,6,7,8,9}--set of numbers from 0 to 9

{2,3,5,7}---set of prime numbers from 0 tp 9

there are 10 numbers in the first set and 4 numbers in the second set.

4/9 is the probability that the digit he selects is a prime number

Hope that helps :)

3 0
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I need help!
timama [110]
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Answer:

the answer is 3

Step-by-step explanation:

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