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Paul [167]
3 years ago
10

On new years Eve,The temperature fell by 24 degrees in a span of 6 hours by how many degrees did the temperature fall every hour

?
Mathematics
2 answers:
RoseWind [281]3 years ago
5 0

Answer:

4 degrees

Step-by-step explanation:

24 degrees :6 hours

divide by 6 for the unit rate.

4 degrees : 1 hour

OlgaM077 [116]3 years ago
3 0

Answer:

4 degrees

Step-by-step explanation:

24 divided by 6 is 4

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Answer:

f(x) = 30 • 0.989x

Step-by-step explanation:

Given the data :

10 26.8

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40 19

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Using technology, the exponential model equation obtained by plotting the data is :

y = 30.068(0.989)^x

Based on the general exponential formula :

y = ab^x

y = predicted value

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Rate = b = 0.989

The most appropriate model equation from the options given is :

f(x) = 30 • 0.989^x

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3 years ago
The regular price of an item is $84. The item is on sale witha discount of $12. What is the discount rate.
sammy [17]

Answer:

Discount = 14.3% (rounded up to one decimal place)

Step-by-step explanation:

The regular price of an item is $84

Discount = $12

Percentage discount = (Discount ÷ regular price) × 100

Percentage discount = \frac{12}{84} × 100 = 14.3% (rounded up to one decimal place)

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3 years ago
Jasmine is designing boxes she will use to ship her jewelry. She wants to shape the box like a regular polygon. In order for the
Naddik [55]

Answer:

The regular polygon that she should use is an equilateral  triangle

Step-by-step explanation:

The parameters given are;

Interior angles = 0.5 × Exterior angles

Exterior angles of a regular polygon = 360/n

Sum of interior angles of a regular polygon = (n - 2) × 180

Where n = the number of sides

Therefore, the sum of exterior angles of a regular polygon = 360°

Hence we have;

(n - 2) × 180 = 360/2 = 180

n - 2 = 180/180 = 1

n = 1 + 2 = 3 which is a three sided regular polygon or an equilateral triangle

Therefore, the regular polygon that she should use is an equilateral  triangle

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3 years ago
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69.118 is the correct answer
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