WILL GIVE A BRAINLIEST TO THE CORRECT ANSWER PLEASE HELP!!

Mathematics

1 answer:

ivolga24 [154]3 years ago

4 0

Hey

km/3x-2x= 4

km/3=4+2x

km=3(4+2x)

km=12+6x

km-12=6x

x=km-12/6

so D is the answer

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4/5 + 2/3 =<br>1 1/2-2/6=

sammy [17]

Answer:

22/15

7/6

Step-by-step explanation:

Have a blessed day

6 0

3 years ago

Read 2 more answers

I got c which is 100 but I don’t know how jerry got A

Anna007 [38]

Choice C is the correct answer because

$\frac{(6+2)^3-12}{5}\\\\\frac{(8)^3-12}{5}\\\\\frac{512-12}{5}\\\\\frac{500}{5}\\\\100\\\\$

So in short, $\frac{(6+2)^3-12}{5}=100\\\\$

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The mistake Jerry likely made was that he only cubed the 2 and didn't realize the 6 was part of that cubing process. It seems he didn't add first and decided to cube before adding.

This is probably what steps Jerry did

$\frac{6+2^3-12}{5}\\\\\frac{6+8-12}{5}\\\\\frac{14-12}{5}\\\\\frac{2}{5}\\\\$

But as mentioned, those steps are incorrect because the 6 is part of the cubing operation. In other words, Jerry should have added the 6+2 first before cubing afterward (due to PEMDAS determining the order of operations).

Or you could think of it like this

$\frac{(6+2)^3-12}{5}\\\\\frac{(6+2)(6+2)(6+2)-12}{5}\\\\\frac{(8)(8)(8)-12}{5}\\\\\frac{512-12}{5}\\\\\frac{500}{5}\\\\100$