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lidiya [134]
3 years ago
9

Naomi is going to drive from her house to City A without stopping. Let D

Mathematics
1 answer:
maksim [4K]3 years ago
6 0

Answer:

I'm not sure of the answer

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(-----×1/4)÷6×3/9 I need the step to this problem so that I explain to my grandson how he he gets the answer
lesya692 [45]

Answer:

-----×1/72

Step-by-step explanation:

The <em>order of operations</em> says do these operations in order left to right. Please note that ÷ means the same as / unless you define it otherwise in your problem statement.

If you intend the ÷ symbol to be used to indicate everything to its left is divided by everything to its right, it is appropriate to use parentheses for that grouping, as in ...

  (-----×1/4)÷(6×3/9) = (-----×1/4)÷2 = -----×1/8

_____

Here, we're going to evaluate what you have written according to the usual rules as described above.

  (-----×1/4)÷6×3/9 = -----×1/24×3/9 = -----×(3/24)/9

  = -----×1/8/9

  = -----×1/72

_____

<em>Comment on the arithmetic</em>

Fractions are multiplied and divided in the usual way:

  a/b×c = (a×c)/b

  a/b/c = (a/b) × (1/c) = a/(b×c)

___

<em>Comment on fractions and parentheses</em>

Please note that parentheses are required on any numerator or denominator that consists of anything other than a single number or variable. (The exception is the case where the numerator is a product, because a·b/c = (a·b)/c with or without the parentheses.)

6 0
3 years ago
Start solving #2 with the substitution method
Brums [2.3K]

Answer:

A=3, B =3, C = 3

Step-by-step explanation:

9/3 (the letters) = 3 Each

3 - 24 - 3 = -27

2a = 6

6 - 3 + 3 = 6

A, b, c, all equal 3.

7 0
3 years ago
Which expression represents the phrase, "the quotient of two times a number decreased by six and three"?
Alex73 [517]
I don't know if you have multiple choices, but it could be: 2x-9
8 0
3 years ago
The solution set for 7q2 − 28 = 0 is { }. (Separate the solutions with a comma) NextReset
SVETLANKA909090 [29]
7q^2 - 28 = 0

7q^2 = 28 
q^2 = 4
q = +/-2
 solution set is {-2,2}
6 0
2 years ago
Read 2 more answers
Which number is in scientific notation
I am Lyosha [343]
The  choice D is in scientific notation 
7.8*10^5
6 0
3 years ago
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