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Wittaler [7]
3 years ago
7

Which of these expressions is equivalent to log(25 • 18)?

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0

Answer: B. log(25) + log(18)

Step-by-step explanation:

Use the rule for the sum of logs: the log of a product is the sum of the logs, which means log(x) + log(y) = log(xy) if they have the same base.

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45 tens is the same as
MakcuM [25]
Tens refers to the unit 10,
This means that 45 10s is equal to:
45*10 = 450

Hope this helps! :)
8 0
3 years ago
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Define democracy?Write any four key elements of democracy. Easy answer required.
umka21 [38]
Democracy: a system of government by the whole population or eligible members of state, typically through elected representatives

elements:
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6 0
3 years ago
What is 0.00308 written in scientific notation? Group of answer choices
Iteru [2.4K]

Answer:

3.08 x 10^-3

Step-by-step explanation:

when putting into  scientific notation, you must make it to where there is one number to the left of the decimal. If you move the decimal left, it equals a negative power, if you move it right, it equals a positive power.

5 0
3 years ago
Toni bought 5 t-shirts for 35 if each T-shirt cost the same amount .how much tony would pay for20 shirts 
Sergeeva-Olga [200]

Answer: The answer is Toni can buy 20 tee shirts for 140 dollars

Step-by-step explanation:

First you find out how many times 5 can go into 20

Next you see that 5 can go into 20, 4 times so you take the 35 and multiply 4 and you get 140 so you can buy 20 tee shirts for 140 dollars.

8 0
3 years ago
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is
antoniya [11.8K]
We can solve this system using elimination:

(x+y=24)3
3x+5y=100

3x+3y=72
-(3x+5y=100)
0x-2y=-28
y=14

We can then plug this back into one of the original equations:

x+14=24
x=10

We can check our answer by plugging this into both of the original equations:

10+14=24
24=24

3(10) + 5(14)=100
30+70=100
100=100

Therefore, there are 10 3-point questions and 14 5-point questions.

7 0
2 years ago
Read 2 more answers
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