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2 years ago

42.1x23.5 what the answer

Mathematics

2 answers:

Anastasy [175]2 years ago

6 0

Answer:989.35

42.1×23.5=989.35

I hope this is good enough:

igor_vitrenko [27]2 years ago

6 0

Answer:

989.35

Step-by-step explanation:

you multiply 42.1 and 23.5 by taking the decimals out (don't worry you'll be putting them back) and then multiplying:

421 * 235 = 98,935

you then replace the two decimal points (because there are two decimals your going to count two decimal points into the answer) hence the answer being:

989.35

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2 years ago

6x + 5y = 147 8x + 4y = 156

satela [25.4K]

Answer:

[12, 15]

Step-by-step explanation:

{6x + 5y = 147

{8x + 4y = 156

-¾[8x + 4y = 156]

{6x + 5y = 147

{-6x - 3y = -117 ← New Equation

________________

2y = 30

___ ___

2 2

y = 15 [Plug this back into both equations to get the x-coordinate of 12]; 12 = x

So, using the Elimination Method, what I did here was took the bottom equation and multiplied it by -¾, turning 8x to -6x, canceling out all x-terms. It does not matter which variable you choose to eliminate, as long as you know what you are doing.

I am joyous to assist you anytime.

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