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NNADVOKAT [17]
2 years ago
8

NEED HELPPPP! This is hard for me to do!

Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
3 0

Answer:

a) This expression is simply the average of both of their hours for a full year.

b) Honestly, I'm not sure, but mathematically, its  \frac{Beth's -hours}{Arjun's-hours}, so the hours cancel out and you get the ratio of their yearly hours? Idek

c) a/12 would be the number of hours Arjun worked per month since there are 12 months in a year.

d) This one is a difference between Arjun's hourly wage to Beth's hourly wage. So, it represents how much more Arjun would have made (Arjun's hourly wage) in comparison to Beth, or vice versa (depending on who worked more hours).

c) Similar to a), this is an average of their yearly income.

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What is the formula that relates circumference and radius?
posledela

C=2•pi•r because C= pi•d and d=2•r

3 0
3 years ago
Read 2 more answers
What two numbers add to 15 and multiply to negative 312?
natima [27]
X + y = 15
xy = -312

     x + y = 15
x - x + y = -x + 15
           y = -x + 15

                                           xy = -312
                               x(-x + 15) = -312
                           x(-x) + x(15) = -312
                                 -x² + 15x = -312
                       -x² + 15x + 312 = 0
           -1(x²) - 1(-15x) - 1(312) = 0
                    -1(x² - 15x + 312) = 0
                                  -1              -1
                          x² - 15x + 312 = 0
                          x = -(-15) ± √((-15)² - 4(1)(312))
                                                  2(1)
                          x = 15 ± √(225 - 1248)
                                               2
                          x = 15 ± √(-1023)
                                         2
                          x = 15 ± 31.984i
                                         2
                          x = 7.5 ± 15.992
                          x = 7.5 + 15.992    or    x = 7.5 - 15.992
                          x = 23.492        or         x = -8.492

              x + y = 15
     23.492 + y = 15
   - 23.492        - 23.492
                    y = -8.492
              (x, y) = (23.492, -8.492)

                      or

              x + y = 15
     -8.492 + y = 15
   + 8.492         + 8.492
                   y = 23.492
             (x, y) = (-8.492, 23.492)

The two numbers that add up to 15 and mutliply to -312 are -8.492 and 23.492.
6 0
3 years ago
A 6-ounce bottle of hand lotion costs $3.75. what is the unit price?
ruslelena [56]
$3.75/6 ounces
= 0.625 unit price
4 0
2 years ago
Given that there are 60 minutes in an hour and Mr. Sneed runs his new machine eight hours per day how many bottles does this mac
Anastasy [175]

Answer:

dumidy dimmidy

Step-by-step explanation:

so u day 1+1 then u get 11, but is 2 so u say 112 so tysm for letting me be dum, also i just need points. sorry other ppl :) BYEE

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2 years ago
9. Seven less than twice a number is 43 Equation: Solution
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Answer:the number is 25

Step-by-step explanation:

2a-7=43

Collect like terms

2a=43+7

2a=50

Divide both sides by 2

2a/2=50/2

a=25

3 0
3 years ago
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