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baherus [9]
2 years ago
7

Here's another question, same one (kind of) 5x - 8 = 3x + 4

Mathematics
1 answer:
cluponka [151]2 years ago
6 0

Answer:

x=6

Step-by-step explanation:

5x - 8 = 3x + 4

    +8         +8

5x=3x+12

-3x  -3x

2x=+12

/2    /2

x=6

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1/16^3x=64^2(x+8)<br> Solve for x.
SSSSS [86.1K]

Answer:

x = -4

Step-by-step explanation:

16 = 4*4 = 4²

64 = 4 * 4* 4 = 4³

(\dfrac{1}{16})^{3x}=64^{2*(x+8)}\\\\\\(16^{-1})^{3x}=64^{2x + 16}\\\\\\16^{-3x}=64^{2x +16}\\\\(4^{2})^{-3x}=(4^{3})^{2x+16}\\\\4^{-6x}=4^{6x +48}

As bases are same, compare exponents

6x + 48 = -6x  

Subtract 48 from both sides

6x = -6x - 48

Add '6x' to both sides

6x + 6x = -48

12x = -48

Divide both sides by 12

x = -48/12

x = -4

3 0
2 years ago
I need help finding the circumference of this circle ​
Alla [95]
Radius times 2 = diameter which would be 10 times 3.14 is 31.4 so it’s 31.4
6 0
3 years ago
A mechanic charged $320.28 to repair a car. The price included charges for 3 hours of labor and $115.46 for parts. How much does
Viefleur [7K]

Answer:

$68.27 for 1 hour

Step-by-step explanation:

$320.28 - $115.46 = $204.82

$204.82 / 3 hours of labour = $68.27 for 1 hour

4 0
3 years ago
In 1991, an American, Ann Trason, set a world record by running 1000 km in 7 hours, 50 minutes, and 9 seconds. Which is the best
kherson [118]
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7 0
3 years ago
Find the surface area of the triangular prism shown below.
sertanlavr [38]

Answer:

144 u²

Step-by-step explanation:

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La=Ph

LA=(12)(11)

LA= 132 u²

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SA= 132 + 2(6)

SA= 144 u²

4 0
3 years ago
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