3 years ago

PLEASE HELP ARGENt!!!!!!!!!!!!

Mathematics

1 answer:

jekas [21]3 years ago

6 0

Answer:

1.060

Step-by-step explanation:

I added 1 tenth to the answer.I'm sorry if the answer if wrong. math isnt my best just trying to help

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−4(m+6)=−8 plz answer

dangina [55]

Answer:Divide both sides by the numeric factor on the left side, then solve.

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Step-by-step explanation:

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3 years ago

1767tires each truck needs 6 tires how many can we get in all

vodomira [7]

Answer:

294

Step-by-step explanation:

It exactly 294.5 but a car cant function with just half of its tires :'). So in this case instead of rounding up we round down. They will just have extra tires.

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3 years ago

Help please!! i don’t understand this one!

12345 [234]

Answer:

C, D

Step-by-step explanation:

This equation can be solved any of several ways. One that doesn't require much thought is using the quadratic formula.

For ax² +bx +c = 0, the solutions are ...

$x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

In the given equation, a=2, b=11, c=5, so this becomes ...

$x=\dfrac{-11\pm\sqrt{11^2-4\cdot2\cdot5}}{2\cdot2}=\dfrac{-11\pm\sqrt{81}}{4}\\\\x=\dfrac{-11\pm9}{4}=\left\{-\dfrac{20}{4},-\dfrac{2}{4}\right\}=\{-5,-\frac{1}{2}\}$

The solutions are ...

C. x = -5

D. x = -1/2

_____

My personal favorite is using a graphing calculator. The solutions are the x-intercepts of the expression on the left. That is, where its value is zero, as the equation says.