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WINSTONCH [101]
3 years ago
14

Mary bought refreshments. Sandwiches were $3 each and bottles of water were $1.50 She spent $487.50 on a total of 225 items.

Mathematics
1 answer:
elena-s [515]3 years ago
6 0
She bought 108 water bottles and 108 sandwiches
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I need help ASAP!!!!!!
topjm [15]

Answer:

1. YES  2. NO

Step-by-step explanation:

1. Since x=0.121212... and the question is asking for 100x, we need to multiply each side by 100. 0.121212... multiplied by 100 is 12.1212... So YES, 100x is still a repeating decimal.

2. 12.121212... minus 0.121212... would just be 12. This is because if we know that all the numbers behind the decimal point is 0.121212 and so on, 12.121212... minus 0.121212... the numbers behind the decimal would cancel out. So we are left with 12. So NO, the answer for 99x is NOT a repeating decimal.

6 0
3 years ago
What is this pleAse? Im dumb asfk
erma4kov [3.2K]

Answer: A the mean of plot b is greater than plot a

plot a=7 and plot b= 11

Step-by-step explanation: when solving the mean you're adding all the numbers and then divide the total by the amount of numbers there are so add all the numbers within the lines on the plot

3 0
2 years ago
Which decimal number best describes the fraction fraction 79 over 6
Step2247 [10]

Step-by-step explanation:

13.14 is the correct answer in my opinion

6 0
3 years ago
Line CD passes through points (0, 2) and (4, 6). Which equation represents line CD?
zlopas [31]

Answer:

A line in form of y = ax + b passes (0, 2)

=> 2 = 0x + b => b = 2

This line also passes (4, 6)

=> 6 = 4x + 2 => x = 1

=> Equation of this line: y = x + 2

=> Option C is correct

Hope this helps!

:)

7 0
3 years ago
Using long division, what is the quotient of this expression? 3x^4 - 2x^3 - x - 4 by x^2 + 2
HACTEHA [7]

Answer: 3x^2-2x-6+3x+8/x^2+2

Step-by-step explanation:

5 0
3 years ago
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