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Ratling [72]
3 years ago
15

8 + 3b = -13 help pleaseee

Mathematics
2 answers:
sergiy2304 [10]3 years ago
5 0
8 + 3b= -13
-8. -8
3b= -21
Divide by 3
B= -7
diamong [38]3 years ago
5 0

Hello there!

In this problem we are trying to find the value of b in the given equation: 8 + 3b = -13. To do this, we have to isolate b.

The first step is to subtract 8 from both sides of the equation.

8 - 8 + 3b = -13 - 8

3b = - 21

Next, divide both sides of the equation by 3.

3b÷3 = -21÷3

b = -7

So, -7 is your final answer!

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Steve invests 1,800 in an account that earns 3.7% annual interest, compounded continuously. What is the value of the account aft
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Answer: the value of the account after 10 years is $2606

Step-by-step explanation:

The formula for continuously compounded interest is

A = P x e (r x t)

Where

A represents the future value of the investment after t years.

P represents the present value or initial amount invested

r represents the interest rate

t represents the time in years for which the investment was made.

e is the mathematical constant approximated as 2.7183.

From the information given,

P = 1800

r = 3.7% = 3.7/100 = 0.037

t = 10 years

Therefore,

A = 1800 x 2.7183^(0.037 x 10)

A = 1800 x 2.7183^(0.37)

A = $2606 to the nearest dollar

8 0
3 years ago
Charlie made the following table to record the height of each person in his family.
IRISSAK [1]

Answer:

4

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3 0
1 year ago
Read 2 more answers
I need help to this question
dlinn [17]
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Given the function f(x) = The quantity of 2x minus 5, divided by 3, which of the below expressions is correct?
adell [148]
Hello : 
f(x) = (2x-5)/3
<span>f−1(x) = (3x+5)/2 
because : f(x) 0 </span>f−1(x) = x and  f−1(x) 0 f(x) = x
f(x) 0 f−1(x) = f( f−1(x) ) = f ((3x+5)/2) = (2(3x+5)/2  - 5))/3 = 3x /3 =x
same cacul for :  f−1(x) 0 f(x) = x 
3 0
3 years ago
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