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Scorpion4ik [409]
2 years ago
15

Which expressions are equivalent to 10a - 25 + 5b10a−25+5b10, a, minus, 25, plus, 5, b?

Mathematics
1 answer:
Rainbow [258]2 years ago
4 0

Answer:

Answer: (2a - 5 + b)5

Answer: 10 x (a - 2.5 + 0.5b)

Answer: (-2a + 5 - b) ⋅ (-5)

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Answer:

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Step-by-step explanation:

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Zach read a book for 10 minutes every weekend in the first month, 20 minutes in the second month, 40 minutes in the third month,
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Without actually calculating the logarithm, determine what two integers the value of log(1.37×109) falls between.
jok3333 [9.3K]

 

First we need to find out what kind of logarithm rule is given, the given is logarithm product rule which states that a log of a product is equal to the sum of the log of the first base and the log of the second base.

By:

= log (1.37 x 10⁹) = log (1.37) + log (10⁹)

= log (1.37) + 9

= 9 + log (1.37)

In the meantime, 1.37 is between 1 and 10 its logarithm will be between 0 and 1. Thus, the value of log (1.37 x 10⁹) falls between 9 and 10 because when you compose a scientific notation you will always have a number among 1 and 10 by 10 to some power. That power tells you the integer part of the logarithm.

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6 0
2 years ago
4. In the following diagram, STU, RTP and
Papessa [141]
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6 0
2 years ago
Claudia invested $12,000 at an interest rate of 4.5% compounded monthly. In the formula A=p(1+r/n)^nt, A is the worth of an acco
aleksandrvk [35]

Answer: $16,433.42

Step-by-step explanation:

Hi, to answer this question we have to apply the formula given:

A=p (1+r/n)^nt,

  • r must be in decimal form (percentage divided by 100)
  • n is equal to 12 ( it compounds 12 times per year)

Replacing with the values given:

A = 12,000 (1+ 0.045/12) ^12(7)

Solving:

A = 12,000 (1+ 0.045/12) ^12(7)

A= 12,000 (1.00375) ^84

A = $16,433.42

6 0
2 years ago
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