2 years ago

Answer to F=1/R+r if soving for r?

Mathematics

1 answer:

kumpel [21]2 years ago

3 0

Answer:

FR = r

Step-by-step explanation:

F = 1/R + r

In order to move R you need to multiply by R/1 to both sides

FR/1 = r

Hope this helps!

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An inequality is shown: −np − 4 ≤ 2(c − 3) Which of the following solves for n?

sesenic [268]

Answer:

$\huge\boxed{n\leq\dfrac{2-2c}{p}\ \text{for}\ p0}$

Step-by-step explanation:

$-np-4\leq2(c-3)\qquad\text{use the distributive property}\\\\-np-4\leq2c-6\qquad\text{add 4 to both sides}\\\\-np\leq2c-2\qquad\text{change the signs}\\\\np\geq2-2c\qquad\text{divide both sides by}\ p\neq0\\\\\text{If}\ p0 ,\ \text{then}\\\boxed{n\geq\dfrac{2-2c}{p}}$

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How many ways can 100 be written as the sum of distinct integers from the set {1, 2,..., 15}?

konstantin123 [22]

Answer:

48 ways

Step-by-step explanation:

Let me take a guess

S₁_₁₅ = (1+15)*7 + 8 = 120

There are 48 combinations of distinct digits from 1 to 15 to make 20

120-20=100

So every 20 has a corresponding 100

I wish I got it right, otherwise report it.

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2 years ago

When simplifying rational numbers, what would the answer be to 57/69

Irina-Kira [14]

You don't simplify rational numbers, but sometimes you can simplify a fraction.
The way to do that is to divide the top and bottom by their greatest common factor.

The greatest common factor of 57 and 69 is 3 . When you divide the top and
bottom by 3 , you have 19/23 . That's the simplest form of that particular fraction.

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Simplify. 43 – 2 A 10 B 41 C 62 D 79

Zarrin [17]

the correct answer is, B.

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Solve this: (a^3-2a^2)-(3a^2-4a^3)

Jobisdone [24]

(a^3-2a^2)-(3a^2-4a^3)
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