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harkovskaia [24]
3 years ago
5

Carly tutors students in math on the weekends and offers both thirty-minute sessions and sixty-minute sessions. She earns $15 fo

r each thirty-minute session and $25 for each sixty-minute session. If she earned $230 this past weekend and had x thirty-minute sessions and sixty-minute sessions, what is the value of x?
Mathematics
1 answer:
creativ13 [48]3 years ago
6 0

Answer:

(15*x)+((25)(x-2))=230 THE ANSWER D. X=7

I GOT IT CORRECT

Step-by-step explanation:

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Please help me with this assignment ASAP!!! I only partially understand, so please explain. Also it's a work sample.
Rudiy27
To find the answer, we can first find the distance each of them have, then divide it by their speed to find the time needed.

Distance Steve need to travel: 300 feet
Distance Paula need to travel:
300+175(behind steve) = 475 feet

Time needed respectively:

Steve: 300 ÷ 9 = 33.33.. seconds
Paula: 475 ÷ 15 = 31.66... seconds

As we can see from the result, Paula would take less time to reach the goal (31.66<33.33),
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33.33-31.67
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Thus Paula won by 1.67 feet.

Hope it helps!
5 0
2 years ago
Find the pay earned: 33 hours at $5.15 per hour
Inessa [10]
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5 0
3 years ago
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A teacher with 10 students has 30 lesson times available. She will teach exactly one of her students during each lesson time. Ho
natka813 [3]

There are \frac{30!}{(3!)^{10} } ways for the teacher to decide which student she will teach during each lesson time if she must teach each student exactly 3 times. Here, "!" represents the factorial.

A number's factorial is the result of multiplying the integer by each natural number below it. Factorial can be symbolized by the letter "!". Thus, n factorial is denoted by n! and is the result of the first n natural numbers.

A whole number's "n" factororial is the sum of that number and each whole number up to one.

When a question asks you to determine how many different ways you can arrange or order a given number of items, you use a factorial.

Learn more about factorials here:

brainly.com/question/25997932

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5 0
1 year ago
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cricket20 [7]

Answer:

fx=

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mark him as brainlesit

Step-by-step explanation:

i think its right

7 0
3 years ago
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balu736 [363]

Answer:

Step-by-step explanation:

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8 0
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