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solmaris [256]
2 years ago
10

In one week, Jenny workers a total of 22 hours at a movie theater and a car wash. Jenny earned $8.50 per hour at the movie theat

er and $8.00 per hour at the car wash. She earned a total of $181 for the week. How many hours did Jenny work at the car wash.
Mathematics
1 answer:
MariettaO [177]2 years ago
6 0

Answer:

10 hours

Step-by-step explanation:

12 hours theater = $96.00

10 hours car wash = $85.00

total = 22hours = $181.00

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3 years ago
Williams salary is £24000 his salary increases by 4% work out Williams new salary
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100%  = 24000 
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3 years ago
If a polynomial function f(x) has roots 6 and square root of 5, what must also be a root of f(x)?
ivolga24 [154]

Answer:

-\sqrt{5}

Step-by-step explanation:

A root with square root or under root is only obtained when we take the square root of both sides. Remember that when we take a square root, there are two possible answers:

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  • One answer with negative square root

For example, for the equation:

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Only getting one solution with square root is not possible. Solutions with square root always occur in pairs.

For given case, the roots are 6 and \sqrt{5}. Therefore, the 3rd root of the polynomial function f(x) had to be -\sqrt{5}

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4 0
2 years ago
A map has a scale of 3 cm and 20 cm which statement is true or false two cities are actually 66 cm part are9.9 cm part
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Answer:
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D. Two cities that are actually 66 km apart are 9.9 cm apart on the map.
Step-by-step explanation:
Step 1
Indicate the scale as shown;
3 cm : 20 km, meaning 3 cm on the map represents 20 km on the ground
A). what does 7.5 cm represent on the ground
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D). what does 66 km on ground represent on the map
Distance on the map=(66×3)/20=9.9 cm
8 0
2 years ago
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