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Tpy6a [65]
2 years ago
9

Which equation is equivalent to

Mathematics
1 answer:
RSB [31]2 years ago
7 0

Answer:

D

Step-by-step explanation:

(1/3)^x=27^(x+2)

3^(-x)=3^(3(x+2))

3^(-x)=3^(3x+6)

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What is the equivalent decimal form for<br> 2/40?
Lelechka [254]

Answer:

decimal form: 0.05

Step-by-step explanation:

To find decimals divide them, so 2 divided by 40 is 0.05.

I hope this helped and if it did I would appreciate it if you marked me Brainliest. thank you and have a nice day!

4 0
3 years ago
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Cuanto es 3/2 en una docena de huevos?
Nady [450]
Mejor respuesta
equivale a doce unidades, por ejemplo:
tengo 12 huevos = tengo una docena de huevos, pero tambien se pueden acumular, por ejemplo:
tengo 24 canicas = tengo 2 docenas
y para sacar las docenas solo divides el numero o las unidades entre 12
UnDeR · hace 7 años
8 0
3 years ago
Algebraically solve the system of equations 2x + y = 5 and 5x − 2y = 8.
Tpy6a [65]

Answer:

x=2, y=1

Step-by-step explanation:

2x + y = 5

5x − 2y = 8.

Multiply the first equation by 2

2( 2x + y) = 5*2

4x +2y = 10

Add this to the 2nd equation to eliminate y

4x+2y = 10

5x -2y = 8

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

9x = 18

Divide by 9

9x/9 = 18/9

x = 2

Now find y

2x+y = 5

2(2)+y = 5

4+y = 5

Subtract 4 from each side

y = 5-4

y =1

3 0
3 years ago
Two airplanes leave an airport at the same time and travel in opposite directions. One plane travels 95 km per hour faster than
andrew-mc [135]

Answer:

887 and 792 km per hour

Step-by-step explanation:

Lets call the first plane A and the second B

we know that: a=b+95

We can say that 3358=2b+(2b+190)<=A

When solved, we get 3168=4b

b=792 km per hour.

Go back to step two. A=b+95, so A=792+95=887 km per hour

The two planes rates are 887 km per hour and 792 km per hour.

8 0
3 years ago
How many tens are in 100
soldier1979 [14.2K]
There are 10 tens in 100
4 0
3 years ago
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