Answer:
all work is shown and pictured
Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat Meat
Answer:
You can tell if this is proportional even without graphing it. The x values on Table F jump inconsistently while y values stay consistent. Table G, however, both values stay consistent. table G is proportinal.
Step-by-step explanation:
with help from reseach,
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Let <em>x</em> and <em>y</em> be the two numbers.
Their sum is 140, so
<em>x</em> + <em>y</em> = 140
Twice the first number <em>x</em> is 2<em>x</em>. 5 more than this is 2<em>x</em> + 5. This is the value of the second number, so
<em>y</em> = 2<em>x</em> + 5
Substitute this into the first equation and solve for <em>x</em> :
<em>x</em> + (2<em>x</em> + 5) = 140
3<em>x</em> + 5 = 140
3<em>x</em> = 135
<em>x</em> = 135/3 = 45
Then
<em>y</em> = 2*45 + 5 = 95
Given 7 spaces, each space can consist of a letter (26 letters in the alphabet), a number (numbers 0 to 9: for a total of 10 numbers), and a space (1).
Adding the amount of letters, numbers, and a space equals:
26 + 10 + 1 = 37 possible characters for each space on the license plate.
Since repeat characters are allowed, each space can have 37 possible characters.
The plate has 7 spaces so:
37 x 37 x 37 x 37 x 37 x 37 x 37
= 37^7 different combinations.
