3 years ago

PLEASE HELP ME I NEED HELP FAST

Mathematics

1 answer:

Alexxandr [17]3 years ago

6 0

The answer would be A if i am correct can i get most brainliest

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Need help with question

Vlad [161]

Your answer is gonna be the second one!

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2 years ago

3x-2y=14 <br> y=5x<br><br> Solve by substitution

irina [24]

3x - 10x = 14

-7x = 14

x = -2

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3 years ago

there are four semi trailer trucks parked in a line at the rest stop after the first truck each truck in the line weighs 2 tons

alexira [117]

Call the weght of the first truck " $w_{1}$ ". We then know that the truck after that is 2 tons more, and the next and the next. i.e:
$w_{2} = w_{1} + 2$
$w_{3} = (w_{2} + 2) = (w_{1}+4)$
$w_{4} = (w_{3} + 2) = (w_{1}+6)$

We also know that total is 32 tons.
$w_{total} = 32 = (w_{1}) + (w_{2}) + (w_{3}) + (w_{4})$
$32 = (w_{1})+(w_{1}+2)+(w_{1}+4)+(w_{1}+6)$
$32= 4(w_{1})+12$
$20=4(w_{1})$
$w_{1} = 5 tons$

Therefore the trukcs weigh 5,7,9 and 11 tons for a total of 32 tons.

Converting to pounds, the trucks weigh 10,000, 14,0000, 18,0000 and 22,000 pounds.

3 0

3 years ago

Please help, due tomorrow

Ksju [112]

Answer:10x2 - 10x - 6 needs simplified first so you get 90x - 6. Also if you know X I can help you solve it just tell me what X is

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

What is the estimate of 979

saw5 [17]

I'm pretty sure that it would be 1,000...

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3 years ago