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Elza [17]
3 years ago
9

Solve. Use a calculator as needed for evaluating formulas.

Mathematics
1 answer:
slava [35]3 years ago
8 0

Answer:

$70.22 to the nearest cent.

Step-by-step explanation:

This is a geometric series with first term 0.03 and common ratio 2.

We need to find the sum of 15 terms of this series.

S15 = 0.03 *( 2^15 - 1) / (15 - 1)

= $70.22 .

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Mashutka [201]
For synthetic division:
1) Write the coefficients of the polynomial under the division symbol, in order. Make sure you include coefficients that are 0, so they may not be written out in the polynomial! 
The coefficients are 7, 1, 0 (the coefficient of x), and -4 in that order

2) The divisor is in the form of x - a. The number "a" goes outside the bracket.
a = 5

Since 7, 1, 0, -4 are under the bracket and 5 is outside the bracket, the answer is C.

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Answer: C
7 0
3 years ago
For a school play, Josh bought 3 adult tickets and 5 child tickets for $40. Emily bought 1 adult ticket and 5 child tickets for
lana [24]
The cost for an adult and child are both $5
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How do you evaluate logarithms? Explain using an example or mathematical evidence to support your answer.
kenny6666 [7]

Answer: Explanation below.

Step-by-step explanation:

First of all you need to know how to convert a logarithm into an exponential expression. The property is:

log_Bx=n

This is the same as: B^n=x

Example 1:

log_99=

We are trying to find what to raise 9 to, in order to get a result of 9.

9^x=9

When you have same bases, you equal exponents.

x=1

Therefore; log_99=1

Example 2:

log_232=

2^x=32

In this case, we have to make sure both sides have the same base. 32 can have a base of 2 if expressed as: 2^5 which is 2*2*2*2*2

Rewriting this example we have;

2^x=2^5

Since we have the same base, we equal exponents.

x=5

Therefore; log_232=5

Example 3:

log_3729=

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729 can have a base of 3 if expressed as: 3^6

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6 0
3 years ago
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Covert 3/7into a percent
Elza [17]

Answer:

42.86%

Step-by-step explanation:

Our percent fraction is 42.857142857143/100, which means that 37 as a percentage is 42.86%

6 0
2 years ago
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What is 3(4x+5)+2. Show your work.
Luden [163]

Follow PEMDAS:

First, distribute 3 to all terms within the parenthesis

3(4x) = 12x

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12x + 15 + 2

Simplify. Combine like terms

12x + (15 + 2)

12x + 17

12x + 17 is your answer

hope this helps

8 0
3 years ago
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