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anygoal [31]
4 years ago
13

What is the solution for "x" when 3^x=2x+1?

Mathematics
1 answer:
Ad libitum [116K]4 years ago
7 0
I'd suggest you begin by finding an estimated x value.  Graph y=3^x and also graph y=2x+1.  Identify the x-coordinate of the point of intersection as accurately as you can.

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6a-2(4a-5)=40<br>How do I solve it​
Elza [17]

Answer:

Distribute, then combine like terms, subtract 10 from both sides of the equation, simplify, divide both sides of the equation by the same term, and simplify to get your solution.

Step-by-step explanation:

1.) Distribute

6−2(4−5)=40

6−8+10=40

2.) Combine like terms

6a-8a+10=40

-2a+10=40

3.) Subtract 10 from both sides of the equation

-2a+10=40

-2a+10-10=40-10

4.) Simplify

subtract the numbers

-2a+10-10=40-10

-2a=40-10

subtract the numbers

-2a=40-10

-2a=30

-2a=30

5.) Divide both sides of the equation by the same term

-2a=30

\frac{-2a}{-2} =\frac{30}{-2}

6.) Simplify

cancel terms that are in both the numerator or denominator

\frac{-2a}{-2} =\frac{30}{-2}

a=\frac{30}{-2}

Divide the numbers

a=\frac{30}{-2}

a=-15

a=-15

7.) Solution

a=-15

8 0
3 years ago
Is 3.14 irrational or rational
mixas84 [53]

Answer:

rational

Step-by-step explanation:

3 0
3 years ago
Quadrilateral ABCD​ is inscribed in this circle.
Svetllana [295]

Answer:

132°

Step-by-step explanation:

Quadrilateral ABCD is inscribed in a circle,

So, it is a cyclic quadrilateral.

Opposite angles of a cyclic quadrilateral are supplementary.

\implies \: x \degree + (3x - 12) \degree = 180 \degree \\  \\ \implies \: (4x - 12) \degree = 180 \degree \\  \\  \implies \: 4x - 12  = 180  \\  \\ \implies \: 4x   = 180  + 12 \\  \\ \implies \: 4x   = 192 \\  \\ \implies \: x   =  \frac{192}{4}  \\  \\ \implies \: x   = 48\\\\

(3x-12)° = (3*48 - 12)° = (144 - 12)° = 132°

\implies \: m\angle B   = 132\degree\\\\

5 0
3 years ago
Dylan has $20 in a savings account. The interest rate is 5% per year and is not compounded. How much interest will he earn in 1
sergeinik [125]
20x0.5 = 10
He will earn 10 per year
8 0
3 years ago
I NEED HELP!! How do you get the answer? I know it's A or B,because of the inequality
guapka [62]
I believe that your answer would be A. y < -294
6 0
3 years ago
Read 2 more answers
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