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svlad2 [7]
2 years ago
8

Help i dont know how to do this !!!!!!!!!!!! for brainlist

Mathematics
1 answer:
valentinak56 [21]2 years ago
5 0

Answer:

We can simplify everything to the power of 2:

8^{x+2} = 2^{3*(x+2)}=2^{3x+6

16^{x+1} = 2^{4*(x+1)}=2^{4x+4

As the two equations are equal to each other and they have common bases, their powers must be equal too. We can come up with this equation:

3x+6=4x+4

solve for x

x=2

D (last answer choice)

plug x=2 in and check and you will get 4096=4096

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A clock loses 2 minutes every 6 hours. At 3:00 pm, the clock is set to the correct time and allowed to run without interference.
avanturin [10]

Answer:

24 minutes, 2:36 pm

Step-by-step explanation:

As working with hours is difficult because it does not use decimal system, lets work with minutes, not hours.

So, the clock is set to work normal at 3:00 pm and we need to get the minutes lost three days after. We know that, as 1 day has 24 hs, 3 days have 72 hours. Then, as our clock loses 2m after every 6 hs, we need to see how many 6hs are there in 72 hs. We do this bt dividing 72 by 6:

72/6 = 12

So, in 72 hours we will have 12 periods of 6hs. As our clock loses 2m after every 6 hs, in 3 days we will lose 2m 12 times. This is:

12 * 2 = 24

The clock loses 24 minutes.

Now we need to see the time it will read.

If there were no problems, the clock should read 3:00 pm after 3 days (72hs). But, as it lost 24 minutes, it will read 2:36 pm, it is, 24 minutes before 3:00 pm.

3 0
4 years ago
_________ psychologists examine the differences between automatic and controlled processes in thinking.
professor190 [17]
The answer to this question is the cognitive psychologists. A cognitive psychologists are professionals that deals with the studying of the mind and mental processes. Also cognitive psychologist deals and helps patients with developing their memory, reasoning, and even in their decision making.
8 0
4 years ago
Is the gcf of any two odd numbers always odd?
liberstina [14]
Yes the greatest common factor of odd numbers will always be odd
7 0
3 years ago
The number of games in the first round of a chess tournament is equal to 2×2×2×2×2×2. Write the number of games using an exponen
Naily [24]

Answer:

2^6

Step-by-step explanation:

2 is being multiplied 6 times meaning it would be 2 to the 6th power.

8 0
3 years ago
Terry earned $24 doing yard work which is 60% of what dallas earned.how much money did dallas earn?
likoan [24]
We set up a proportion: 24/?= 60/100

Cross multiply: 60*?= 24*100
⇒ ?= 24*100/60= 40

Dallas earned $40~
8 0
3 years ago
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