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erastova [34]
3 years ago
10

Find the solution b = 2/3 a + 1

Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer:

2a/3 + 1

Step-by-step explanation:

Combine multiplied terms into a single fraction-

2/3 a + 1

2a/3 + 1

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2cos^2A-cos2A-1=0 <br> Help
kondor19780726 [428]

Answer:

steps below

Step-by-step explanation:

Are you going to solve the value of A or just a proof the equation

cos 2A = cos² A - sin² A

2cos²A-cos2A-1 = 2cos²A - (cos² A - sin² A) - 1 = cos² A + sin² A - 1

2cos²A-cos2A-1 = 1 - 1 = 0

A: 90° or 270° or 450° .....

8 0
3 years ago
A door-to-door salesman expects to make a sale 12% of the time when starting the day. But making a sale increases his enthusiasm
tester [92]

Answer:

0.226458

Step-by-step explanation:

4 0
3 years ago
Rob Herndon, an accountant with Southwest Airlines, wants to retire 50% of
valina [46]

To achieve his goal of paying off $430,000 in 10 years, Rob Herndon needs to make $34,186.97 at 5% compounded annually.

<h3>What is a future value?</h3>

A future value refers to a value on a future date based on an assumed growth rate of interest over time.

The future value can be determined using the FV formula or table.

We can also compute the future value using an online finance calculator as follows:

<h3>Data and Calculations:</h3>

N (# of periods) = 10 years

I/Y (Interest per year) = 5%

PV (Present Value) = $0

FV (Future Value) = $430,000

<u>Results:</u>

PMT = $34,186.97

Sum of all periodic payments = $341,869.70

Total Interest= $88,130.30

Thus, for Rob Herndon to achieve his goal of paying off $430,000 in 10 years, he needs to make $34,186.97 at 5% compounded annually.

Learn more about Calculating Future Values at brainly.com/question/24703884

#SPJ1

7 0
2 years ago
The sum of two numbers is 98. Their difference is 22. Write a system of equations that describes this situation. Solve by elimin
erik [133]

Answer:

x + y = 98

x - y = 22

2x = 120

x = 60

x + 60 = 98

x = 38

the answer is b

6 0
3 years ago
What is the law of sines
galina1969 [7]
Sine is also known as Opposite over hypotenuse. 
5 0
3 years ago
Read 2 more answers
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