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Igoryamba
3 years ago
12

Mrs. Carson pays Kristen $48 for babysitting 6 hours, and Mr. Vasquez pays her $67.50 for babysitting 9 hours. Who pays Kristen

the better salary? Explain your answer.
Mathematics
1 answer:
yaroslaw [1]3 years ago
8 0
To solve this problem you must divide the total salary by the total hours to figure out how much is earned each hour

$48/6 hours = $8 per hour
$67.50/9 hours = $7.50 per hour

Mrs. Carson pays Kristen the better salary by $0.50 an hour.
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3 years ago
8x - 14 = 7.7x + 3x
djverab [1.8K]

Answer:

x=5.2

Step-by-step explanation:

8x−14=7.7x+3x

Step 1: Simplify both sides of the equation.

8x−14=7.7x+3x

8x+−14=7.7x+3x

8x−14=(7.7x+3x)(Combine Like Terms)

8x−14=10.7x

8x−14=10.7x

Step 2: Subtract 10.7x from both sides.

8x−14−10.7x=10.7x−10.7x

−2.7x−14=0

Step 3: Add 14 to both sides.

−2.7x−14+14=0+14

−2.7x=14

Step 4: Divide both sides by -2.7.

−2.7x /−2.7  = 14 /−2.7

x=−5.185185 or 5.2

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3 years ago
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wolverine [178]

Answer:

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6 0
3 years ago
The equation x2 - 12x - 60 = -y2 - 4y describes a circle in the coordinate plane. find the radius of the circle and the coordina
34kurt

Answer:

r = 10 , centre = (6, - 2 )

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r is the radius

given

x² - 12x - 60 = - y² - 4y ( add y² + 4y to both sides )

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using the method of completing the square

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(x - 6)² + (y + 2)² = 100 ← in standard form

with centre = (6, - 2 ) and r = \sqrt{100} = 10

8 0
1 year ago
How do I answer question b?
SCORPION-xisa [38]
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7 0
3 years ago
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