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Gre4nikov [31]
3 years ago
7

Round 9.921 to the nearest hundredth

Mathematics
1 answer:
user100 [1]3 years ago
6 0
9.921 rounded to the nearest hundredth is 9.92.
The hundredth place is located at the two. Therefore, check the number to the right of the two (in this case 1). If this number is less than 5, you keep the number the same. If it is 5 or greater, you increase the number by one. 
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3 years ago
Linear model function
sveticcg [70]

Using equations of linear model function, the number of hours Jeremy wants to skate is calculated as 3.

<h3>How to Write the Equation of a Linear Model Function?</h3>

The equation that can represent a linear model function is, y = mx + b, where m is the unit rate and b is the initial value.

Equation for Rink A:

Unit rate (m) = (35 - 19)/(5 - 1) = 16/4 = 4

Substitute (x, y) = (1, 19) and m = 4 into y = mx + b to find b:

19 = 4(1) + b

19 - 4 = b

b = 15

Substitute m = 4 and b = 15 into y = mx + b:

y = 4x + 15 [equation for Rink A]

Equation for Rink B:

Unit rate (m) = (39 - 15)/(5 - 1) = 24/4 = 6

Substitute (x, y) = (1, 15) and m = 6 into y = mx + b to find b:

15 = 6(1) + b

15 - 6 = b

b = 9

Substitute m = 6 and b = 9 into y = mx + b:

y = 6x + 9 [equation for Rink B]

To find how many hours (x) both would cost the same (y), make both equation equal to each other

4x + 15 = 6x + 9

4x - 6x = -15 + 9

-2x = -6

x = 3

The hours Jeremy wants to skate is 3.

Learn more about linear model function on:

brainly.com/question/15602982

#SPJ1

5 0
2 years ago
What are the factors in the expression (a+b)12
BlackZzzverrR [31]
Solution:

1) Distribute
12a+12b

Done!
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3 years ago
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Answer:

12.5%

Step-by-step explanation:

hope this helps and its right

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3 years ago
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Answer:

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3 0
2 years ago
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