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Arte-miy333 [17]
2 years ago
15

Are the figures below similar? Explain.

Mathematics
1 answer:
Vinvika [58]2 years ago
6 0
Answer: D
Explain: I asked my teacher
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Find the average rate of horizontal change of the ball the 1.6 sec.
djverab [1.8K]

a)

the average speed, well it does 10 ft in 1.6 secs, so is simply their quotient, 10/1.6 = 6.25 ft/s on average.


b)

over the horizontal, well, it covered horizontally 9.25 ft in those 1.6 secs, so their quotient is 9.25/1.6 = 5.78125 ft/s on average.


c)

we don't know the vertical distance, but


\bf \textit{using the pythagorean theorem}
\\\\
c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b
\qquad
\begin{cases}
c=\stackrel{10}{hypotenuse}\\
a=\stackrel{9.25}{adjacent}\\
b=opposite\\
\end{cases}
\\\\\\
\sqrt{10^2-9.25^2}=b\implies \sqrt{14.4375}=b\implies 3.8\approx b


so, it covered vertically about 3.8 ft in those 1.6 secs, so then 3.8/1.6 = 2.375 ft/s on average

7 0
2 years ago
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The density of gold is 19.3 grams per cubic centimeter. Rachel determines that the density of a coin is 18.7 grams per cubic cen
Tcecarenko [31]

Answer:

The reasoning is  a deductive.

  The reason is because the pattern of  thought is logical, here, scientific methods ( i.e mathematically obtaining and comparing the density of the coin and the  gold ) are used to support the conclusion.

Step-by-step explanation:

Gnerally the reasoning is  a deductive.

  The reason is because the pattern of  thought is logical and scientific methods (eg mathematical equation (formula for density)) are applied to arrive at the  conclusion.

6 0
3 years ago
Helpppp pls o really need helpppp!!!
joja [24]
The answer is C your welcome Brainless please
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Steven has 7/10 of an hour to water 3 1/2 lawns. If he spends the same amount of time on each lawn, what fraction of an hour doe
mezya [45]
I think amswer is 2 9/20
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In an old photograph, the height of grandma's table is 3.8 cm. The table doesn't exist anymore; grandma doesn't know what happen
alukav5142 [94]

Answer:

5.67

Step-by-step explanation:

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