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Nastasia [14]
3 years ago
15

11 - m = 51 - 6m solve for m

Mathematics
2 answers:
san4es73 [151]3 years ago
3 0

This should be the answer if not let me know

                               2/2m=8 2/2

jeka943 years ago
3 0

Answer: m = 8.

Step-by-step explanation: Proof:

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Please answer all the questions
NARA [144]

I am not answering all the questions.

I will only do the first one.

A = pir^2

A = pi(6)^2

A = 36pi

You do the rest.

5 0
3 years ago
Find the perimeter of a rectangle with a length of 9 cm and a width of 3 cm.
bixtya [17]

Answer: 24

Step-by-step explanation: you add 9+9+3+3 and you get 24

4 0
3 years ago
Read 2 more answers
10) The temperature recorded at 12 noon was 15°C above zero. If it decreases at the rateof 3°C per hour until midnight, at what
aalyn [17]

Answer:

at 8 pm the temperature will be -9 degrees. and at midnight the temperature will be negitive twenty one(-21) degrees

Step-by-step explanation:

the start time is 12 pm and finish is 12 am and every hour your going to subtract 3 from the given degree so 15-3= 12 , 12-3=9 ect.

6 0
3 years ago
Lou is playing an online trivia game. She has 20 points and earns 4 points for
Rudiy27

Answer:

B. 4x + 20 > 55

4 0
3 years ago
A rock outcrop was found to have 95.82% of its parent U- 238 isotope remaining. Approximate the age of the outcrop. The half-lif
mixer [17]

Answer:

A) 277 million years

Step-by-step explanation:

Here, decay of U-238 is first order reaction. (since most of the nuclear decays are first order).

so, the equation t = \frac{1}{k} × ln(\frac{A(0)}{A})

where, t = time from start of reaction

           k = reaction constant

           A(0) = initial concentration; A = present concentration.

     ⇒ 4.5 billion = 4500 million years = \frac{1}{k}× ln2.

Now, given 95.82% of parent U-238 isotope is left.

⇒ t = \frac{1}{k} × ln(\frac{A(0)}{A})

  t = \frac{4500}{ln2} × ln(\frac{100}{95.82})

⇒ t ≅ 277 million years.

5 0
3 years ago
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