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Crank
3 years ago
10

I need help please and thank you

Mathematics
1 answer:
Stels [109]3 years ago
8 0

Answer:

2.72 x 10^4

Step-by-step explanation:

2.4 x 10^4

= 24000

3.2 x 10^3

= 3200

Therefore,

(2.4 x 10^4) + (3.2 x 10^3)

= 24000 + 3200

= 27200

= 2.72 x 10^4

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2x+4y=12 y=0.25x-3 What is the solution to the system of equations?
ololo11 [35]
{ 2 x + 4 y = 12
   y = 0.25 x -3

Arrange equation variables of elimination :

{ 2 x + 4 y = 12
 -0.25 x  + y = - 3

Multiply  ( -0.25 x +y = - 3 )  by 8 :

8y - 2 x =  - 24 

{ 2 x + 4y = 12
  -2x + 8y  = -24
----------------------
        12 y = -12

y = - 12 / 12

y = - 1

For x :

2 x  + 4y = 12

2 x + 4 ( - 1 ) = 12

2 x - 4 = 12

2 x = 12 + 4

2 x =  16

x = 16 / 2

x = 8

x = 8 and y = - 1  =>  ( 8 , - 1 )

Answer b

hope this helps!


7 0
3 years ago
Someone please help me!!! I will mark brainlist!
vagabundo [1.1K]
It would be (-5, 15) or b.
6 0
3 years ago
submarine A is currently at a depth of 432 feet below sea level Submarine B is onky at a depth of 3/4 as much as Submarine A. Wh
alexandr402 [8]
Well you could multiply 432 by 0.75, or you can divide it by 4 and then multiply it by 3. Either way your answer is 324.
8 0
3 years ago
Can someone plz help me with this one problem plzzzzz <br><br> (I’M MARKING BRAINLIEST)
Andre45 [30]
In order from top to bottom, 2,8,14,20
And it’s the second graph (right)
5 0
3 years ago
Solve the equation 3x + 4y = 16 for x.
Neko [114]

Answer:

3x + 4y = 16  The rule is you can do any valid operation on both sides of an equation and it will still be equal. Subtract 4y.

3x = -4y + 16  Divide by 3.

x = -4y/3 + 16/3  Answer B.

6 0
3 years ago
Read 2 more answers
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