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expeople1 [14]
3 years ago
9

Sarah has made 30dresses, and she plans to make 3more dresses per month. Her sister , Anna has 40dresses and is planning on givi

ng away 2 dresses per month
After how many months will Sarah and Anna have the same number of dresses​
Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

2 months

Step-by-step explanation:

you can set up equations for each sister:

(Sarah) y = 3x + 30

(Anna) y = -2x + 40

you can graph them to find where they intersect (2,36) or:

you can set them equal to each other like the following:

3x + 30 = -2x + 40

5x = 10

x = 2

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Answer:

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3 years ago
The sum of 3 consecutive odd integers is 18 less than five times the middle number. Find the three integers
Andreyy89

n, n + 2, n + 4 - three consecutive odd ntegers

n + (n + 2) + (n + 4) = 5(n + 2) - 18     |use distributive property

n + n + 2 + n + 4 = (5)(n) + (5)(2) - 18

3n + 6 = 5n + 10 - 18

3n + 6 = 5n - 8     |subtract 6 from both sides

3n = 5n - 14     |subtract 5n from both sides

-2n = -14    |divide both sides by (-2)

n = 7

n + 2 = 7 + 2 = 9

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Answer: 7, 9, 11.

8 0
3 years ago
How do I graph f(x)= -cos(x-pi)?
Lorico [155]
Just exactly as you graph any other function: List a bunch of values for 'x', find the value of the function for each one, and start graphing the points, until you have enough points to see the shape of the function, and can draw more of it without more points. When you do that, you'll discover that -cos (x-pi) is equal to cos (x).
3 0
3 years ago
a streamer going downstream in a river cover the distance between two towns in 15 hours coming back upstream it covers the dista
Colt1911 [192]

Answer:

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4 0
3 years ago
kevin was a product tester at texas instruments. he was dropping calculators from a height of 5 feet on to a concrete surface. h
Shtirlitz [24]

Answer:

80%

Step-by-step explanation:

1 in 5 breaks

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Please mark as brainliest

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3 years ago
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