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My name is Ann [436]
3 years ago
9

Simplify 7+5−15()−(−3) =

Mathematics
1 answer:
DENIUS [597]3 years ago
4 0

Answer:

0

Step-by-step explanation:

7 + 5 - 15 -(-3)

=> 12 - 15 + 3

=> 12 - 12

=> 0

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Each chair in an auditorium is 1.8 feet wide. If there are 24 chairs in each row, about how long is a row?
kaheart [24]

Answer:

48 feet

Step-by-step explanation:

1.8 feet * 24 chairs = 43.2 feet in a row (with no spaces between chairs)

48 is the closest given answer

5 0
3 years ago
Read 2 more answers
(x-y)^2 (x^2-2xy+y^2)
Andrei [34K]
What are u asking me too do factor simplify??
5 0
3 years ago
Simplify <br>(8/14 - 2/8) + 1/7​
konstantin123 [22]

Answer:

13/28.

Step-by-step explanation:

(8/14 - 2/8) + 1/7

We can just remove the parentheses and simplify its contents:

=  4/7 - 1/4 + 1/7

= 4/7 + 1/7 - 1/4

= 5/7 - 1/4      The LCD of 7 and 4 is 28 so we have:

20/28 - 7/28

= 13/28.

7 0
4 years ago
Michele is starting a new pool-cleaning business. It costs her $85 to purchase supplies. Michele charges $40 each time she clean
Alex787 [66]

Answer:

Option A : y = 40x - 85 is the correct answer.

Step-by-step explanation:

Given that:

Cost of purchasing supplies = $85

Cost charged for cleaning a pool = $40

Let,

x be the number of pools cleaned.

y be the profit

Profit = Cost of pools cleaned - purchase price of supplies

y = 40x - 85

Hence,

Option A : y = 40x - 85 is the correct answer.

8 0
3 years ago
Jake, Lionel, and Wayne work as house painters for Paint Well Company. Jake can paint 1 room in t hours. Lionel can paint a room
34kurt
Hours to paint one room 
<span>Jake: t hours </span>
<span>Lionel: t-2 hours </span>
<span>Wayne: (1.5)(t-2) hours </span>

<span>Now who is Donald? </span>

<span>Shall we assume that by "Donald" you meant "Wayne"? </span>

<span>If t is 6 hours, then the hours to paint one room is </span>
<span>Jake: 6 hours </span>
<span>Lionel: 4 hours </span>
<span>Wayne: 6 hours </span>
<span>This means that in one hour: </span>
<span>Jake can paint 1/6 of a room, </span>
<span>Lionel can paint 1/4 of a room, </span>
<span>Wayne can paint 1/6 of a room. </span>
<span>Added together, the three of them can paint (1/6 + 1/4 + 1/6) = 7/12 of a room in one hour.</span>
7 0
3 years ago
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