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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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I dont know how to solve this does anybody?
postnew [5]

Answer:

3x + 7 + 5

Step-by-step explanation:

I could be wrong... there are 3 x's so that would be 3x, and then the 7 and 5. sorry if i'm wrong

5 0
3 years ago
Read 2 more answers
Sierra is going on a field trip that costs $48. The cost includes $20 for transportation and two tickets that each cost the same
True [87]
We know that there are two tickets (which we'll represent with x) and a fee for transporation (which is $20)

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Then divide each side by 2
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5 0
3 years ago
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Nuetrik [128]
1. Y= 5/4x -1.4
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Formula is Y=MX+B
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3 0
3 years ago
Which is the completely factored from of xy^3-x^3y
Oksanka [162]

Answer:

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Step-by-step explanation:

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What remains in the parenthesis is a different of perfect squares. Factor the difference of perfect squares into two binomials of the form (x+a)(x-a) where a is the square root of (x^2-a^2).

So the expression becomes:

xy(y^2-x^2)\\xy(y+x)(y-x)

7 0
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Alenkasestr [34]
-4x+154 should be the answer
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3 years ago
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