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Wewaii [24]
3 years ago
13

Explain why it does not matter what letter or symbol is used to find an unknown number

Mathematics
2 answers:
ivann1987 [24]3 years ago
7 0
A b c d... and x are all representing 1 unknown #. The particular letter
is not revelent unless its like f (x) =.... which just means y but g(x) sometimes means graph.
otherwise it doesn't matter at all
jonny [76]3 years ago
5 0
It does not matter so long as it is consistent and not repeated for a different meaning
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Mike drank 60% of his glass of milk. Afterwards, 80ml of milk remained in the glass. What volume of milk was initially in the gl
Alina [70]

Answer:

Step-by-step explanation:

x is the total volume of milk.

100% - 60% = 40%

40% is left in the glass.

40% of x  = 80 ml

\frac{40}{100} of x = 80

x = 80 × \frac{100}{40}

x = 200 <em>ml</em>

4 0
3 years ago
CONSTRUCTED-RESPONSE ITEM 14. Four people each deliver food to people's homes.
rodikova [14]

Answer:

I'm Pretty Sure it is $16.20

Step-by-step explanation:

First, you add 2.50 + 0.20 and you get 2.70. Then, you get 2.70 x 6 miles and you get 16.20. Hope this helps! :)

3 0
3 years ago
Which expression is equivalent to (-8) - (-2)
gregori [183]

Answer:

-6

Step-by-step explanation:

-8  - (-2)

A negative negative is a positive

-8+2

-6

7 0
3 years ago
Read 2 more answers
What value of x is in the solution set of 3(x - 4) 5x + 2?
telo118 [61]

Answer:

8x-10

Step-by-step explanation:

3(x-4)5x+2

3x-12+5x+2

8x-10

7 0
3 years ago
Area = length x width
kramer

Answer: It will cost him $237 to seed the entire backyard

Step-by-step explanation:

Hi, to answer this question, first, we have to calculate the area of the rectangular backyard:

Area of a rectangle = length x width

Replacing with the values given:

A = 20 x 15 = 300 ft2

Since seed cost 0.79 per square foot, we simply have to multiply that price by the area:

0.79 x 300 = $237

It will cost him $237 to seed the entire backyard

Feel free to ask for more if needed or if you did not understand something.

3 0
4 years ago
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