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attashe74 [19]
3 years ago
5

Given: BC = 10 inches

Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0

Answer:

area of sector BCD =60/360×π×10²=52.36ft²

a area of sector ADC =90/360×π×√50²=39.27ft²

actual <u>area</u><u> </u><u>=</u><u>5</u><u>2</u><u>.</u><u>3</u><u>6</u><u>ft²-39</u><u>.</u><u>2</u><u>7</u><u>f</u><u>t</u><u>²</u><u>=</u><u>1</u><u>3</u><u>.</u><u>0</u><u>9</u><u>=</u><u>1</u><u>3</u><u>ft²</u>

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All you have to do is plug in the given x values. your first equations would read:

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(-3, 0.002)
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3 years ago
Solve (t - 3)2 = 6. The arrow is at a height of 48 ft after approximately _ s<br>and after _s​
Slav-nsk [51]

Answer:

The arrow is at a height of 48 ft after approximately <u>0.55</u> s  and after <u>5.45</u> s​

Step-by-step explanation:

The following information is missing:

<em>The height of an arrow shot upward can be given by the formula s = v0*t - 16*t², where v0 is the initial velocity and t is time.How long does it take for the arrow to reach a height of 48 ft if it has an initial velocity of 96 ft/s? </em>

If the arrow is at a height of 48 ft and its initial velocity is 96 ft/s, then:

48 = 96*t - 16*t²

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t² - 6*t + 3 = 0

t² - 6*t + 3 + 6 = 0 + 6

t² - 6*t + 9 = 6

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or

t - 3 = -2.45; t = -2.45 + 3; t = 0.55

3 0
3 years ago
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The bar graph shows the number of hurricanes in the Atlantic Basin from 2006 - 2011.
7nadin3 [17]

Firstly, we will find smallest value and largest value

smallest value is in 2009

and smallest value is 3

largest value is in 2010

and largest value is 12

So, percentage change will be greatest between 2009 to 2010

now, we can find percentage change

=\frac{12-3}{3}\times 100

=\frac{9}{3}\times 100

=300 %..............Answer


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3 years ago
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AleksandrR [38]

Answer:

ab=\gcd(a,b)\cdot \text{lcm}(a,b)

Step-by-step explanation:

Using the hint, write a and b in the following prime factorization:

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\gcd(a,b)=p_1^{\min(x_1,y_1)}p_2^{\min (x_2,y_2)} \cdots p_t^{\min(x_t,y_t)}

\text{lcm}(a,b)= q\cdot r\cdot p_1^{\max(x_1,y_1)}p_2^{\max(x_2,y_2)}\cdots p_t^{\max(x_t,y_t)}

Note that the expression \min(x_i,y_i)+\max(x_i,y_i)=x_i+y_i for all i, since if the minimum is, <em>without loss of generality</em>, x_i, then the maximum must be y_i, and viceversa. Then, it is straightforward to verify that when we multiply gcd(a, b) and lcm(a, b) its prime factorization matches the prime factorization of ab, and so we can see the equaility holds:

\gcd(a,b)\cdot \text{lcm}(a,b)=ab.

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