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GarryVolchara [31]
3 years ago
8

Bell goes for tutoring at a is for algebra tutoring. They charge a registration fee of $57 and $34 an hour for tutoring. If bell

s parents budget is $300 for tutoring. What is the maximum number of hours of tutoring she can afford?
Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0

Answer:

7

Step-by-step explanation:

The expression is 57+34h is less than or equal to 300. So 300-57 is 243. 243/34 is 7.147... so you round. So you get 7 hours without going over

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What are the solutions to the system of equations? {y=2x2+6x−10 y=−x+5
inessss [21]
Answer: x = -5, 3/2 y = 10, 7/2

Explanation:

y = 2x^2 + 6x - 10 (1)
y = - x + 5 (2)

=> 2x^2 + 6x - 10 = - x + 5
2x^2 - 7x - 15 = 0
(2x - 3)(x + 5) = 0
=> 2x - 3 = 0
2x = 3
x = 3/2
=> x + 5 = 0
x = -5

According to (2):

y = -x + 5
y = -(-5) + 5
y = 5 + 5 = 10

y = -x + 5
y = -(3/2) + 5
y = -(3/2) + 10/2
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3 0
3 years ago
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If the number of bacteria in a colony doubles every 25 hours and there is currently a population of 10,000 bacteria, what will t
MA_775_DIABLO [31]

Answer:

The population of 75 hours from now would be 40,000.

Step-by-step explanation:

The reason for this is because your initial number is 10,000 and when 25 hours pass by, your population would be 20,000. Another 25 hours pass by, and then your population would be 40,000. If you multiply 25 by 3, you will notice 75 hours have just passed, so your answer would be 40,000.

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3 years ago
What is the sum of the areas of circle C and circle D?
Yanka [14]

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Step-by-step explanation:

Area of circle: pi(r)^2

A1=pi(7)^2

A2=pi(7)^2

A2+A1=98pi

4 0
2 years ago
What is a solution to f(x)=0
Brilliant_brown [7]

Answer:

F=0

Step-by-step explanation:

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What is the independent and dependent variable? Whats the (x) and (y) axis?
Shtirlitz [24]

Answer:

x-axis(independent) = 1.5

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3 years ago
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