3 years ago

Question 2 plz and thx plz help I've Been staring at this problem for a long time

Mathematics

2 answers:

Grace [21]3 years ago

5 0

You peace in the 6 the same time

Dafna11 [192]3 years ago

5 0

You put in the 6 every time

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Law Incorporation [45]

Answer:

Step-by-step explanation:

$E=\dfrac{1}{2}mv^{2}\\\\\\2E = mv^{2}\\\\\dfrac{2E}{m}=v^{2}\\\\\\\sqrt{\dfrac{2E}{m}}=v$

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2 years ago

Rewrite in simplest terms: 3h - 2(-0.1h - 0.8)<br>please help

levacccp [35]

Answer:

3.2h+1.6

Step-by-step explanation:

3h-2(-0.1h-0.8)

3h+0.2h+1.6

3.2h+1.6

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2 years ago

Translate: twice the sum of a number and 9 equals 7 into an equation

Ghella [55]

$equals\ 7\to=7\\sum\ of\ a\ number\ and\ 9\to n+9\ (n-the\ number)\\twice\ the\ sum\ ...\to2(n+9)\\\\Answer:\boxed{2(n+9)=7}\\\\solution:\\\\2(n+9)=7\ \ \ \ |divide\ both\ sides\ by\ 2\\n+9=3.5\ \ \ \ |subtract\ 9\ from\ both\ sides\\\boxed{n=-5.5}$