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Softa [21]
4 years ago
7

Last week, Brianna earned $565.75, which included a $100 bonus. She makes $11.50 an hour. With x representing the number of hour

s worked, which equation and solution can be used to show how many hours Brianna worked last week?
Mathematics
2 answers:
notka56 [123]4 years ago
7 0
The answer is the third option, 11.5x+100=565.75;40.5.

11.5x+100=565.75
         -100  -100.00
---------------------------
11.5x       =465.00
--------        ---------
11.5             11.5

x=40.4347
Mamont248 [21]4 years ago
7 0
40.40 if you round. that is what i got but im in k12 so that might not be the correct answer.
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Solve for X pleas help
nydimaria [60]

Answer:

10.5 I think

Step-by-step explanation:

(1/2) *12 is 6

(1/2)*21 is 10.5

3 0
3 years ago
Solve each system by graphing. If the solution is not unique, identify the system as “inconsistent” or “dependent”
lapo4ka [179]

Answer:

therefore the solution of the system of equations is (x,y) = (4,2)

the solution is unique and therefore the the system is neither "inconsistent" nor "dependent"

Step-by-step explanation:

i) x + 2 = 6   \Rightarrow  x = 4

ii) x - y = 2 \Rightarrow  4 - y = 2 ,  therefore  y  = 4 - 2 ,   therefore y = 2

iii) therefore the solution of the system of equations is (x,y) = (4,2)

iv) the solution is unique and therefore the the system is neither "inconsistent" nor "dependent"

6 0
4 years ago
The average daily maximum temperature in Syracuse is 21.85°C, and the average daily minimum temperature is -4.7°C. The average d
podryga [215]

By applying the definition of difference, we find that the <em>average daily maximum</em> temperature in Syracuse is 26.55 °C higher than the <em>average daily minimum</em> temperature.

<h3>What is the difference between the average daily maximum temperature and the average daily minimum temperature?</h3>

Herein we must find the difference bewteen the two temperatures, defined as the subtraction of the <em>minimum</em> temperature from the <em>maximum</em> temperature:

x = 21.85 °C - (- 4.7 °C)

x = 26.55 °C

By applying the definition of difference, we find that the <em>average daily maximum</em> temperature in Syracuse is 26.55 °C higher than the <em>average daily minimum</em> temperature.

To learn more on differences: brainly.com/question/1927340

#SPJ1

8 0
2 years ago
If Susie is late for school one particular day of the week, the probability she arrives on time the next day is 0.8. If she arri
Andre45 [30]

Answer:

0.273 = 27.3% probability that she was late on Thursday.

Step-by-step explanation:

On time on Monday, late on Thursday:

Possible outcomes (tuesday-wednesday-thursday).

on time(0.7 probability) - on time(0.7 probability) - late(0.3 probability)

on time(0.7 probability) - late(0.3 probability) - late(0.2 probability)

late(0.3 probability) - on time(0.8 probability) - late(0.3 probability)

late(0.3 probability) - late(0.2 probability) - late(0.2 probability).

What is the probability she was late on Thursday?

Sum of these four outcomes. So

p = 0.7*0.7*0.3 + 0.7*0.3*0.2 + 0.3*0.8*0.3+0.3*0.2*0.2 = 0.273

0.273 = 27.3% probability that she was late on Thursday.

4 0
3 years ago
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