Convert: 10°C to °F.-12.2°37.6°-39.6°50°

Mathematics

1 answer:

Anna [14]3 years ago

6 0

The formula:

$F=\dfrac{9}{5}C+32$

F - degrees Fahrenheit (°F)

C - degrees Celsius (°C)

We have 10°C. Substitute:

$F=\dfrac{9}{5}(10)+32=(9)(2)+32=18+32=50$

<h3>Answer: 10°C = 50°F</h3>

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Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours

uysha [10]

Answer:

$\$(990-t)$

Step-by-step explanation:

The correct question is

Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours at her two jobs. Let t be the number of hours Susan worked as a tutor this month. Write an expression for the combined total dollar amount she earned this month

Let

t -----> the number of hours that Susan work as a tutor

y ----> the number of hours that Susan work as a waitress

z ---> the combined total dollar amount she earned this month

we know that

$t+y=90$

$y=90-t$ -----> equation A

we know that

The combined total dollar amount she earned this month is equal to the number of hours that Susan work as a tutor multiplied by $10 plus the number of hours that Susan work as a waitress multiplied by $11

$z=10t+11y$ ----> equation B