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noname [10]
3 years ago
6

On a given morning the temperature was 71°F. The temperature dropped 5°F and then rose 8°F. How much does the temperature need t

o rise or fall to return to the initial temperature of 71°F?
Mathematics
2 answers:
professor190 [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Temperature needs to fall by 3 degrees

morpeh [17]3 years ago
4 0

Answer:

  fall 3°

Step-by-step explanation:

To return to the same value, the sum of rises must be the same as the sum of falls. The temperature must fall 3 °F for the total of falls to be 8 °F, the same as the rise.

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Maru [420]
The given sequence is:

a(n)= \frac{1}{3}  (3)^{n-1}

a(2)=1
a(3)=3
a(4)=9

We are to find the average rate of change between n=3 and n=4 for the given function.

Average rate of change = \frac{a(4)-a(3)}{4-3} = \frac{9-3}{1}=6

So the average rate of change for the given function from n = 3 to n = 4 is 6
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3 years ago
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Eduardwww [97]

Answer:

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Step-by-step explanation:

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3 years ago
The sum of two numbers is 136 one number is 51 what is the other number? What are the common factors of these two numbers?
Rom4ik [11]
The sum of two numbers is 136 (sum is what you get when you add two numbers together). If one of the two numbers is 51, and the other number is X, then:

X + 51 = 136

To solve for x we subtract both sides by 51.

X + 51 -51 = 136 - 51
X = 85

The other number is 85.

What are the common factors of these two numbers?
Factors are the numbers that multiply to make the product.

Factors of 51: 1, 51, 3, 17
Factors of 85: 1, 85, 5, 17
5 0
3 years ago
Miche found that most helicopters fly at speeds of less than 270 kilometers per hour. Her work is shown below. s > 270 A numb
almond37 [142]

Answer:

  • The inequality should be s<270.
  • The number line should be shaded to the left.

Step-by-step explanation:

Miche found that most helicopters fly at speeds of less than 270 kilometers per hour.

If s=speed of the helicopters

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Representing this on a number line:

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  • Everything to the left of the circle is shaded.

Since the options are not given, I would list the mistakes made by Miche.

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  • The number line should be shaded to the left.

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Romashka-Z-Leto [24]
2/6 because if I multiply the denominator and numerator by 2 it would equal 2/6.
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