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Triss [41]
2 years ago
14

Peter was thinking of a number. peter adds 6 to it, then doubles it and gets an answer of 48.5. what was the original numbe

Mathematics
2 answers:
Alisiya [41]2 years ago
8 0

Answer:  The original number was 18.25 or 18 1/4

18.25 plus 6 is 24.25

24.25 times 2 is 48.5

Step-by-step explanation:

mark as brilliant answer

romanna [79]2 years ago
5 0

Answer:

18.25

Step-by-step explanation:

x = number

add 6:    (x+6)  

double it :   2(x+6)

result = 48.5

2 (x+6) = 48.5

x+6 = 24.25

x = 18.25

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Which justification describes the process?
tester [92]

Answer:

Option 1 - Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation.          

Step-by-step explanation:

Given : Process

Step 1: 4x + 2 = 10

Step 2: 4x = 8

To find : Which justification describes the process?

Solution :

From step 1 to step 2, we subtract 2 both sides

Step 1: 4x + 2 = 10

Subtracting 2 both side,

⇒ 4x + 2-2 = 10-2

Step 2: 4x = 8

So, The best justification is 'Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation'.

Therefore, Option 1 is correct.

4 0
3 years ago
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eduard

Answer:

Using tally marks

Step-by-step explanation:

Missing information;

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3,0,1,4,4,1,2,0,2,2,0,2,0,1,3,1,2,1,1,3

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Computation:

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2                              IIIII              5

3                              III               3

4                              II                 2

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Answer:

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In expanded form of decimal fractions we will learn how to read and write the decimal numbers. ... (i) 100 + 0.5 + 0.06 + 0.008 (ii) 80 + 1 + 0.02 + 0.005.

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