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Alex_Xolod [135]
3 years ago
5

Solve the exponential equation: 6^-2x = 6^2 ^- 3x A) 3 B) 2 C)4 D)-2

Mathematics
1 answer:
DochEvi [55]3 years ago
4 0

Answer:

the answer is x = 2 or B, hope this helps

Step-by-step explanation:

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14 Explain why adding 10% GST and then applying a 10% discount does not give you the
Ipatiy [6.2K]

Answer:

7% because the gst price is sold in cheacb countys

Step-by-step explanation:

because me got big brain

8 0
3 years ago
Simplify the expression, then evaluate when x=5 and y=6. x(y+4)+3(2x+7y)
tensa zangetsu [6.8K]

Answer:

Simplification

x(y+4)+3(2x+7y) = xy + 10x + 21y

= x(y + 10) + 21y

On evaluation when x=5 and y=6,

The expression is equal to 206

Step-by-step explanation:

Note that x and y are unknown variables.

On expansion,

x(y+4)+3(2x+7y)

= xXy + xX4 + 3X2x + 3X7y

= xy + 4x + 6x + 21y

= xy + 10x + 21y

On factorising,

xy + 10x + 21y = x(y + 10) + 21y

Evaluation when x=5 and y = 6

We substitute the given values of x and y into the simplified expression

xy + 10x + 21y

= 5X6 + 10X5 + 21X6

= 30 + 50 + 126

= 206

Therefore, on evaluation of the given expression, when x=5 and y=6, we get 206

3 0
3 years ago
Alexa has $300 in her bank account. Each week for 5 weeks she spends 18 dollars on things. How much money does she have after 5
Pie
$210 is what she has in her bank account after 5 weeks.
18*5 =90
300-90= 210
4 0
3 years ago
Read 2 more answers
If a person weighs 180 pounds on the surface of the earth and the radius of the earth is 3900 miles, what will the person weigh
emmasim [6.3K]
Gravity is inversely proportional to the square of the distance.
In English:
Your weight at the Earth's surface and your weight 850 miles above the Earth's surface decreases by a factor of

(4,750 / 3,900) ^ 2 = <span> <span> <span> 1.483399080 </span> </span> </span>

So your weight would decrease by (your weight / <span> <span> <span> 1.483399080 </span> </span> </span> )
If you weigh 180 pounds, at 850 miles above the Earth your weight is
180 / <span> <span> <span> 1.483399080 </span> </span> </span> which equals
<span> <span> <span> 121.3429362515 </span> </span> </span>  pounds.


7 0
4 years ago
Tukar 88 peratus kepada pecahan yang termudah​
docker41 [41]

Answer:

kya hai mujhye kuchh samajh na aaraha

8 0
4 years ago
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