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Kaylis [27]
3 years ago
8

If f(x) = 3^(x + 4), find f(2). A. 729 B. 243 C. 81 D. 18

Mathematics
1 answer:
Umnica [9.8K]3 years ago
4 0

Answer:

f(2) = 729

Step-by-step explanation:

f(x) = 3^(x + 4)

Let x =2

f(2) = 3^(2 + 4)

f(2) = 3^(6)

f(2) = 729

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makkiz [27]

Mistake in Line 2 : Was in the determining the values for a ,b,c

Mistake in Line 4 : Not taking the square roots of both sides.

Step-by-step explanation:

{a}^{2}  +  {b}^{2}  =  {c}^{2}

First Mistake : Line 2

a = x \\ b = 6 \\ c = 10

Second Mistake : Line 4

136 =  {x}^{2}  \\ not \\ 136 = x

Correct Solution :

{x}^{2}  +  {6}^{2}  =  {10}^{2}  \\  {x}^{2}  =  {10}^{2}  -  {6}^{2}  \\  {x}^{2}  = 100 - 36 \\

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3 0
3 years ago
What is 3x + 10x =65?
zhannawk [14.2K]

Answer:

x = 5

Step-by-step explanation:

3x + 10x =65

13x = 65

/13     /13

------------------

x = 5

6 0
2 years ago
Read 2 more answers
Please help me!<br><br> Thank you
fgiga [73]

The required measures of the angle are given as,
∠JKL = 72°      ∠MLK = 108°      ∠JMK = 36°
∠MJL = 54°       ∠KNL = 90°

Given that.
The measure of the rhombus is given, we have to determine the measure of the angles,

<h3>What is angle?</h3>

orientation of one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as angle.

Here,
∠JKL= 2 × ∠JKM  = 72°
∠MLK = 180 - 2 × ∠JKM =  108°
∠JMK = ∠JKM = 36°
∠MJL = ∠MLK/2 =  54°
The diagonal of the rhombus bisect each other at an angle of 90°
So,
∠KNL = 90°

Thus, all the measure of the angles is shown above.

Learn more about Angles here:
brainly.com/question/13954458

#SPJ1

7 0
1 year ago
What are the possible values of x in 32x + 20 = 28x − 16x2?
maw [93]

Answer:

B .`-(1)/(8) stackrel(+)(-) (isqrt(79))/(8)`

8 0
3 years ago
Simplify 25 thirtyeths
fgiga [73]
You need to divide both 25 and 30 by 5. The answer is 5/6.
5 0
3 years ago
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