All sides of quadrilateral are equaltrue or false

Mathematics

1 answer:

KATRIN_1 [288]2 years ago

7 0

Answer:

trueeee

Step-by-step explanation:

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You receive an allowance of $10 the first week of every month, and the

GuDViN [60]

Answer: The answer is 100,

Step-by-step explanation:

You would get 10$ for the first week, 20 for the second week, 30 for the third week, and 40 for the fourth week. If you add that up all together you get 100$

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3 years ago

Puppy A weighs 6 kilograms, which is about 30% of its adult weight.

ziro4ka [17]

Answer:

Required equation is

6 kg is 30% of w
0.3w = 6

Solve the equation

w = 6/0.3
w = 20 kg

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2 years ago

At noon, ship A is 170 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 20 km/h. How fast is

garik1379 [7]

Check the picture below.

now, keep in mind that ship B is going at 20kph, thus from noon to 4pm, is 4 hours, so it has travelled by then 20 * 4 or 80 kilometers, thus b = 80.

whilst the ship B is moving north, the distance "a" is not really changing, and thus is a constant, that matters because the derivative of a constant is 0.

$\bf c^2=a^2+b^2\implies \stackrel{chain~rule}{2c\cfrac{dc}{dt}}=0+2b\cfrac{db}{dt}\implies \cfrac{dc}{dt}=\cfrac{b\frac{db}{dt}}{c}
\\\\\\
\begin{cases}
\frac{db}{dt}=20\\
c=10\sqrt{353}\\
b=80
\end{cases}\implies \cfrac{dc}{dt}=\cfrac{80\cdot 20}{10\sqrt{353}}\implies \cfrac{dc}{dt}=\cfrac{160}{\sqrt{353}}
\\\\\\
\textit{and rationalizing the denominator}\implies \cfrac{160\sqrt{353}}{353}$