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777dan777 [17]
2 years ago
15

A, B and C are integers. A minus B is even and A minus C is odd. which of the following must be odd? 

Mathematics
1 answer:
jek_recluse [69]2 years ago
6 0

Answer:

C: B+C

Step-by-step explanation:

A-B is even so A and B are either both even or odd.

A-C is odd so one is even and the other is odd.

Because A is common to both cases B and C have to be of different parities.

In answer A, B, and D we are not sure of the parity of the numbers.

However, in answer C we know that B and C are of different parities, and and even plus and odd is odd.

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Equation to find original price if sale price of $429 is a 34% discount
Burka [1]

Answer:

The original price is $650

Step-by-step explanation:

There's an actual algebra method for this, but this is my method because I find it way easier to remember.

Since the most you can discount out of an item is 100% (well, it's considered free then) let's subtract 100 - 34, which is 66.

Now, turn it into a decimal because it makes the numbers easier- 0.66.

Since when you're finding the discount of an original price, you multiply the original price by the discount- instead for finding the original price for a discounted item we divide $429 by 0.66 instead, since when you divide a number by another number that's under 1 the quotient is a larger number.

So, 429 ÷ 0.66 = 650.

Therefore, the original price of the $429 sale price for a 34% discount is $650.

7 0
3 years ago
What does 0.2 in the highlighted cell mean?
jarptica [38.1K]

Answer:

Step-by-step explanation:

Answer:

Option B. 20% of her customers ordered appetizer but no dessert.

Step-by-step explanation:

We have to analyze a track report of the customers who ordered an appetizer and dessert.

In this track report highlighted cell is 0.2 which shows appetizer ordered with no order of dessert.

Therefore 0.2 means 20% of the customer ordered an appetizer but no dessert was ordered.

Option B. is the answer.

7 0
3 years ago
Read 2 more answers
Determine the intercepts of the function f(x)=2x^2+18x+28
Sonja [21]
The intercepts are -2 and -7 on the x-axis
7 0
3 years ago
Which expression represents "5 less than the product of 9 and the sum of a number and 3"?
Nikitich [7]

Answer:

(9(x+3))-5

Step-by-step explanation:


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3 years ago
At the beginning of the winter Ron had $217 in his savings account he shoveled snow and by the end of the winter had a total of
JulsSmile [24]

Answer:

217+x=975

Step-by-step explanation:

he has 217 dollars from the beginning than he earned X amount of dollars added to the 217 to get 975

8 0
3 years ago
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