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Kamila [148]
2 years ago
5

PLS HELP ME I WIL MARK BRAINLEST

Mathematics
1 answer:
DaniilM [7]2 years ago
5 0
Answer: 1. X=4
Answer: 2. X=-4
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Please help me i need this really bad
lesya [120]
The answer is 3
Multiply 6 by 3 to get the total amount of money for the books then minus the answer 18 which you get from 6 x 3 = 18
Then minus 18 from 21 to get $3
21 - 18 = 3
7 0
3 years ago
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Can you solve this? It is for MATH 111
umka2103 [35]
The equation only is true for objects with negligible air resistance. A feather does not have this property.
Using the equation shown:
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6 0
3 years ago
Hello! Anyone able to help me with question 3 + explanation too? Thanks!
taurus [48]

Answer:

2 or 12

Step-by-step explanation:

The answer that we will use this equation 1/t1 +1/t2=1/ttotal

where t1 is the time of smaller pipe while t2 is the of the larger pipe

Given t total =4 while t2 is equal to t2=t1-6

So know you can solve the problem by changing it into (2t1-6)/(t1*(t1-6))=1/4

8( t1-3)=(t1^2-6t1)

t1^2-14t1+24=0

t1=2 or 12

5 0
4 years ago
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Solve the inequality. Explain all steps and identify the properties used.
solniwko [45]
Multiply everything by -3 so it will be n-15>4 then add 15 to both sides so it will be n>19 and thats the answer.
3 0
4 years ago
C-28 how do you solve this problem ​
Jobisdone [24]

Answer:

  The FitnessGram™ Pacer Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly, but gets faster each minute after you hear this signal. Ding  A single lap should be completed each time you hear this sound. Ding  Remember to run in a straight line, and run as long as possible. The second time you fail to complete a lap before the sound, your test is over. The test will begin on the word start. On your mark, get ready, ding

Any=ways berainalieast?

4 0
3 years ago
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