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adelina 88 [10]
3 years ago
12

Savannah, Greg, and Kevin all take part-time jobs for the summer. Their hourly wages are show in the tables below. Use the infor

mation to answer each question.
1: What is the constant of proportionality, k, of Kevin's wage?

2: What is constant of proportionality, k, of Greg's?

3: What is the constant of proportionality, k, of Savannah's wage?

4: [blank] has the highest hourly rate per hour.

5: If all three friends worked 20 hours during the week, how much would each person earn? Savannah-[blank]

6: If all three friends worked 20 hours during the week, how much would each person earn? Greg-[blank]

7: If all three friends worked 20 hours during the week, how much would each person earn? Kevin-[blank]

8: Savannah earns $247.00. How many hours did she work?

9: How long will it take Greg to earn $500.00? Round to the nearest hour.

Mathematics
2 answers:
Verdich [7]3 years ago
5 0

Answer:

1. kevins wage is 8.25     2. greg wage is 9.00   3. Savannah's wage is 9.25

4. Which person has the highest hourly wage: Savannah, Greg or Kevin- kevin 5. Savannah has earned $247.00 this week.  How many hours did she work- 26 hours

6. Greg will need to work 61 hours to earn $500.00.

Step-by-step explanation:

im working on these same questions right now lol but here are all the answers hope this helps.

ehidna [41]3 years ago
4 0

Answer:

Wait, so u want us to solve this whole thing?

Step-by-step explanation:

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F, A.

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use a graphing calc

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Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.
8090 [49]

Answer:

Option B.

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Step-by-step explanation:

12a² + 9a + 7 = 0

Using formula method, the solutions to the equation can be obtained as follow:

Coefficient of a² (a) = 12

Coefficient of a (b) = 9

Constant (c) = 7

a = –b ±√(b² – 4ac) / 2a

a = –9 ±√(9² – 4 × 12 × 7) / 2 × 12

a = –9 ±√(81 – 336) / 24

a = –9 ±√(– 225) / 24

Recall

–225 = –1 × 225

Thus,

–9 ±√(– 225) / 24 = –9 ±√(–1 × 225)/24

Recall

√(–1 × 225) = √–1 × √225 = i√225

Thus,

–9 ±√(–1 × 225)/24 = –9 ± i√225/24

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Therefore, the solutions to the equation are:

{–9 + i√225 / 24, –9 – i√225 / 24}

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