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Andrei [34K]
3 years ago
13

The low temperatures in Detroit for six days in February were -7?C, -3?C, 0?C, 2?C, -3?C, and 5?C. What was the average low temp

erature for these six days?
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
3 0

Answer:

 -1 C

Step-by-step explanation:

To find the average, we add up all the terms and divide by the number of terms

average = (-7+-3+0+2+-3+5) / 6

               =-6/6

                -1 C

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aleksandr82 [10.1K]
(x-9)(x+7)=0
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3 years ago
A dance floor has a perimeter of 60 meters. The dance floor is 20 meters long. Write an equation to represent the perimeter of t
Jet001 [13]

Answer:

20 meters long and 10 meters wide

Step-by-step explanation:

since the perimeter is 60 and one side of it is 20 then you multiply 20 by 2, 40, to get both sides. Then you subtract 40 from 60 leaving the other two sides as 20, meaning that if you divide 20 by 2 you can find that the width of the dance floor is 10 meters long.

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On the children's baseball field shown, the distance from the pitcher's mound to home plate is 50 feet. The distance from the pi
nikdorinn [45]
The Pythagorean theorem is with right triangles. You know that a right triangle is formed from first to the mound to home-plate. So when you draw it out and label the sides you have one missing side. the Pythagorean theorem is a^2 + b^2 = C^2. the c side is always the slanted side. In this case the c side would be from homeplate to first base. So you just have to solve now. (33)^2 + (50)^2 = c^2. So  1089 + 2500 = c^2. Add together and you get: 3589 = c^2. Lastly take the square-root of 3589 and that is the answer. 59.9. So the answer is 59.9 feet.
6 0
3 years ago
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Will give brainliest!!
olga_2 [115]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
The decay of 942 mg of an isotope is described by the function A(t)= 942e-0.012t, where t is time in years. Find the amount left
Katarina [22]
\bf A(t)=942e^{-0.012t}\qquad \boxed{\stackrel{\textit{after 71 years}}{t=71}}\qquad \qquad A(t)=942e^{-0.012(71)}
\\\\\\
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4 0
3 years ago
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