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s344n2d4d5 [400]

3 years ago

9

Fifteen more than twice the hours Carla worked last week is the same as three times the hours she worked this week decreased by

15.She worked the same number of hours each week.How many hours did she work each week

1 answer:

Afina-wow [57]3 years ago

8 0

If you break get your teacher to break it down in a way that you will understand I only say that because I can’t answer this question

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ololo11 [35]

Answer:

$\left\{\begin{array}{l}y\le 4x\\y\ge 50\\25x+15y\ge 1975\end{array}\right.$

Step-by-step explanation:

Let x represent the number of lawns mowed and y represent the number of cars washed.

1. Since the number of cars that Beth wash is no more than four times the number of lawns Mike has scheduled to mow, you have that $y\le 4x.$ .

2. Beth will wash at least 50 cars, then $y\ge 50.$

3. Mike charges $25 each time he mows a yard, then he earns $25x for mowing x yards. Beth charges $15 for each car she washes, then she earns $15y for y cars washed. They need at least $1975, so

$25x+15y\ge 1975.$

4. A set of constraints to model the problem is

$\left\{\begin{array}{l}y\le 4x\\y\ge 50\\25x+15y\ge 1975\end{array}\right.$

4 0

3 years ago

What is the additive inverse of the complex number 9 – 4/?

Fantom [35]

I’m pretty sure the answer would be -9+41. sorry if i’m wrong :)

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3 years ago

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What's the answer to this

Alex

Use a calculator go step by step

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3 years ago

At Imelda's fruit stand, you bought 555 apples and 444 oranges for \$10$10dollar sign, 10, and your friend bought 555 apples and

Sliva [168]

Answer:

Each apple would cost 1.20 and each orange would cost 1

Step-by-step explanation:

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3 years ago

What is the effect on the graph of the function f(x) = 2x when f(x) is replaced with f( 2 3 x)?

shutvik [7]

........................I would say f of X

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