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2 years ago

Whats the Answer? (i saw someone post this but with no picture i hope this can help)

Mathematics

2 answers:

amid [387]2 years ago

8 0

The answer is the letter C. 96

Ilia_Sergeevich [38]2 years ago

4 0

I believe it’s 96 since the top part is 48 and the lower half is 48 too but I can be incorrect

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A student solved log4(2x – 12) = 3, as shown. Which did you include in your answer?

siniylev [52]

Answer:

x = 38

Step-by-step explanation:

using the law of logarithms

• $log_{b}$ x = n ⇔ x = $b^{n}$ , hence

$log_{4}$ (2x - 12) = 3 ⇒ 2x - 12 = $4^{3}$ = 64

add 12 to both sides

2x = 76 ( divide both sides by 2 )

x = 38

5 0

3 years ago

Please help asap!:) Thank you!

finlep [7]

Answer:

(f + g)(3) = 9

Step-by-step explanation:

Given:

f(x) = x² + 1

g(x) = x - 4

Required:

(f + g)(3)

SOLUTION:

✔️Find f(3) by substituting x = 3 into f(x) = x² + 1:

f(3) = (3)² + 1 = 9 + 1

f(3) = 10

✔️Find g(3) by substituting x = 3 into g(x) = x - 4:

g(3) = 3 - 4

g(3) = -1

✔️Find (f + g)(3):

(f + g)(3) = f(3) + g(3)

= 10 + (-1)

= 10 - 1

(f + g)(3) = 9

4 0

2 years ago

What is the solution to the system of equations represented by these two lines?

yuradex [85]

(2,3) would be your answer I believe

Hope it helped stay safe xx

4 0

2 years ago

BC has one endpoint

irina1246 [14]

Answer:

Step-by-step explanation:

(3 + x)/2 = 6

3 + x = 12

x = 9

(2 + y)/2 = -2

2 + y = -4

y = -6

(9, -6) the other endpoint C

7 0

2 years ago

Two Vertical buildings 91 metres apart are136 metres and 192 metres high respectively. Find the angle of elevation form the top

pickupchik [31]

Answer:

≈ 32°

Step-by-step explanation:

Distance between buildings= 91 m

Elevation difference= 192 m- 136 m= 56 m

Right triangle ΔABC is formed by connecting 3 points, see attached

∠C is one to be calculated

tan C=AB/AC= 56/91

tan C= 0.62

∠C ≈ 32°

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

<em>∠B = (90°-32°)= 58° in case I misread which angle to be found</em>

3 0

3 years ago