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nikklg [1K]
3 years ago
12

4e^x -2= 14 solve for X

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0

Answer:

x = 1.386

Step-by-step explanation:

4e^x= 16

e^x=4

ln(e^x)=ln4

x=ln4=1.386

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Determine whether the following event is mutually exclusive or not mutually exclusive.
Softa [21]

Answer:

The event is mutually exclusive.

Step-by-step explanation:

Mutually exclusive events are events that cannot exist simultaneously.

Thus, events that are not mutually exclusive can exist simultaneously.

Since each student only has one major, a single student cannot be both a mathematics major and a business major.

So, the event is mutually exclusive.

5 0
3 years ago
The longer leg of a right triangle is 4cm longer than the shorter leg. the hypotenuse is 8cm longer than the shorter leg. find t
Alexeev081 [22]
Longer leg = x + 4

Shorter leg = x

Hypotenuse = x + 8


Using Pythagorean Theorem:

a^2 + b^2 = c^2

(x + 4)^2 + x^2 = (x + 8)^2

x^2 + 8x + 16 + x^2 = x^2 + 16x + 64

2x^2 + 8x + 16 = x^2 + 16x + 64

2x^2 +8x = x^2 + 16x + 48

2x^2 - 8x = x^2 + 48

x^2 - 8x = 48

x^2 - 8x - 48 = 0

You can complete the square from here or use the quadratic formula.

Completing the square:

x^2 - 8x = 48

x^2 - 8x + (-8/2)^2 = 48 + (-8/2)^2

x^2 - 8x + 16 = 48 + 16

(x - 4)(x - 4) = 64 or (x - 4)^2 = 64

x - 4 = +√64 OR x - 4 = -√64

x - 4 = +8 OR x - 4 = -8

x = 12 OR x = -4

However, you can't use negative 4 as a length because your length needs to be a positive.

So x will be 12.


Shorter leg: 12

Longer leg: 12 + 4

Hypotenuse: 12 + 8

8 0
3 years ago
A number k is greater than 3. Which of the following is true about 승 ? 1 It is between 3 3 It is equal to 1 It is greater than 1
Alekssandra [29.7K]

If the number k is greater than 3, we have the following inequality:

k>3

In order to evaluate k/3, let's divide the inequality by 3:

\begin{gathered} k>3 \\ \frac{k}{3}>\frac{3}{3} \\ \frac{k}{3}>1 \end{gathered}

So the expression k/3 is greater than 1, therefore the correct option is D.

3 0
1 year ago
Are both students earning the same amount of money per hour? Show your work to justify your answer.
krok68 [10]

Answer:

No, Jimmy is earning $5 per hour while Amanda is earning close to $6.66 per hour.

Step-by-step explanation:

Have a nice day/night :)

7 0
3 years ago
Read 2 more answers
Please help 50 points
sertanlavr [38]

Answer:

2. Georgia colony

3. Massachusetts Bay Colony

4.   New York

5. Charter of Pennsylvania

6. May 4, 1776

7. Swedes colony

8. Rhode Island colony and Connecticut colony

9. New York

10. Plymouth colony

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12. 1732 - 1215 = 517

Hope this helps, could sure use brainliest after this:)

4 0
4 years ago
Read 2 more answers
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