Can anyone please help me? I dont understand this!

Mathematics

2 answers:

mel-nik [20]2 years ago

4 0

$\bf \stackrel{\textit{force of gravity}}{F}~~,~~\stackrel{\textit{gravitational constant}}{G}~~,~~\stackrel{\textit{first mass}}{m_1}~~,~~\stackrel{\textit{second mass}}{m_2}
\\\\\\
\stackrel{\textit{distance of masses centers}}{d}\implies \stackrel{\textit{squared that}}{d^2}\\\\
-------------------------------\\\\
\stackrel{\textit{F equals product of }G\cdot m_1\cdot m_2\textit{ divided by square of }d}{F=\cfrac{G\cdot m_1\cdot m_2}{d^2}}$

xeze [42]2 years ago

3 0

"The force of gravity, F..."
So we start with just
F

"... is equal to..."
F=

"... the product of..." means we're going to multiply some things. What will we be multiplying together? Answer: "the gravitational constant (G), the mass of the first object (m1), and the mass of the second object (m2)..."
F = G × m1 × m2 ...

"... divided by..."
F = (G × m1 × m2) ÷ (...)

"... the square of..."
F=(G × m1 × m2) ÷ (...)^2

"...the distance between their centers (d)."
F=(G × m1 × m2) ÷ (d^2)

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The final exam of a particular class makes up 40% of the final grade, and Moe is failing the class with an average (arithmetic m

amm1812

Answer:

%82.5

Step-by-step explanation:

The final exam of a particular class makes up 40% of the final grade
Moe is failing the class with an average (arithmetic mean) of 45% just before taking the final exam.

From point 1 we know that Moe´s grade just before taking the final exam represents 60% of the final grade. Then, using the information in the point 2 we can compute Moe´s final grade as follows:

$FG=0.40*FE+0.60*0.45$ ,