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ZanzabumX [31]
2 years ago
7

What is 6.4r-7-2.9r simplified

Mathematics
1 answer:
Marta_Voda [28]2 years ago
4 0

Answer:

3.5r - 7

General Formulas and Concepts:

<u>Algebra I</u>

  • Combining like terms

Step-by-step explanation:

<u>Step 1: Define</u>

6.4r - 7 - 2.9r

<u>Step 2: Simplify</u>

  1. Combine like terms:                    3.5r - 7

And we have our final answer!

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3 3/4 ÷ (1 2/3 + 2 1/2)​
ZanzabumX [31]

Answer:

9/10.

Step-by-step explanation:

3 3/4 ÷ (1 2/3 + 2 1/2)​

= 3 3/4 / ( 5/3 + 5/2)

= 3 3/4 / ( 10/6 + 15/6)

= 3 3/4 / 25/6

= 15/ 4 / 25/6

= 15/4 * 6/25

= 90/100

= 9/10.

4 0
1 year ago
Which graph shows a set of ordered pairs that represent a function?
Yuri [45]

Make XY tables for each option.

If any of the Tables have identical X numbers it is not a function.

The first option has two X's that re 2, so is not a function.

Second option has 2 x's that are 4's, so is not a function.

The third option has no repeating X values so is a function.

The fourth option has two -2's and two 0's so ids not a function.

The function is the third choice:

On a coordinate plane, solid circles appear at the following points: (negative 3, 2), (negative 2, 2), (0, 1), (1, 3), (2, negative 4), (4, negative 1).

4 0
3 years ago
Read 2 more answers
What is the mode of the list of numbers below? Choose ALL answers that are correct. 6, 1, 5, 2, 6, 5, 2, 6, 5
sertanlavr [38]
Rearrange the numbers in order from least to greatest:

<span>6, 1, 5, 2, 6, 5, 2, 6, 5

1, 2, 2, 5, 5, 5, 6, 6, 6

The number 1 is used once. The number 2 is used twice. Numbers 5 and 6 are used three times. 

The mode is the number that is represented most in a set of numbers. Since 5 and 6 are both represented three times, these numbers will be the mode for this set.

The answers are C. 5 and D. 6.</span>
5 0
3 years ago
A treasure chest sinks at a rate no less than 20 ft per second. The floor of the ocean is at most at -4200 feet. Will the treasu
SashulF [63]
4200ft divided by 20 ft per second divided by 60 seconds is 1400 minutes
5 0
3 years ago
The Jones family eats 2/3 of a packet of biscuits every day. How long will 27 packets last the family?
Veseljchak [2.6K]

Answer:

40 1/2 days

Step-by-step explanation:

Quantity of biscuits the Jones eats daily = 2/3 of a packet

Total packets of biscuits = 27 packets

How long will 27 packets last the family?

= Total packets of biscuits / daily intake of biscuits of the Jones

= 27 ÷ 2/3

= 27 × 3/2

= 81 / 2

= 40 1/2 days

6 0
3 years ago
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