Answer:
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Step-by-step explanation:
make a proportion
<span>Let x = the amount of feet descended in 3 minutes (thus the total change of altitude of the balloon)
</span><span> 320 (feet per minute) / 1 (minute) = x (feet per minute) / 3 (minutes)
</span><span> 1) Divide: 320/1 = 320.
</span><span> 2) Multiply: 320 x 3= 960.
</span><span> The balloon that descends at a rate of 320 feet/minute (so, every minute, it descends 320 feet) descends a total of 960 feet in 3 minutes.
</span><span> The balloon's total change in altitude is -960 feet. </span>
The coordinates of the center is at (1, 0) and the length of the radius is 4 units.
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more variables and numbers.
The standard form of a circle is:
(x - h)² + (y - k)² = r²
Where (h, k) is the center of the circle and r is the radius.
The coordinates of the center is at (1, 0) and the length of the radius is 4 units.
Find out more on equation at: brainly.com/question/2972832
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Answer:

Step-by-step explanation:
-Given that the dimensions of the new deck are double the dimensions of the old deck:

#The area of the new deck can now be calculated as:

Hence, the area of the new deck is 
1/3minus5/6 is equal to negative 9 over 6 and negative 9/6 divided by 5/6= negative 9/5