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RSB [31]
3 years ago
7

The length of a rectangle is 3 units more than the width. The area of the rectangle is 54 units. What is the width, in units, of

the rectangle?
Mathematics
1 answer:
natali 33 [55]3 years ago
3 0

Answer:

6

Step-by-step explanation:

Just a guess. But I worked out which numbers multiplied to make 54 and were 3 units apart. Which were 6 and 9

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Is 3(–2) + 7(2) equivalent to (–3)(–3) + (–1)(1)? Let negative numbers be represented with a "–" symbol and positive numbers be
jek_recluse [69]
3(-2) + 7(2) = 8
(-3)(-3) + (-1)(1) = 8
yes
3 0
3 years ago
At the movie theatre, child admission is $5.40 and adult admission is $8.70 . on friday, 159 tickets were sold for a total sales
blondinia [14]
Alright this is gonna be a long one

Lets called child tickets x and adult tickets y 

so x + y should be equal to 159 since they said that the total sum of the tickets is 159 
so thats your first equation : x + y = 159

next form an equation using the prices, 
5.40x + 8.70y = 1079.70

now that you have your two equations, just substitute the first into the second (you could either substitute for x or y by saying x = 159-y or that y=159-x)

Hope this helps.
7 0
3 years ago
A cookie has 130 calories.
pychu [463]
I think the answer would be B
5 0
3 years ago
a scout meeting lasts 2 hours. if 36 minutes was spent on making dream catchers, what percentage of the meeting is left
Llana [10]

Answer:

70% of the meeting is left.

Step-by-step explanation:

Hi, to answer this question, first, we have to convert the hours to minutes.

Since 1 hour = 60 minutes

For 2 hours:

1 /60 = 2/x

x = 2 (60)

x = 120 minutes

So, a scout meeting last 120 minutes (2 hours)

36 minutes already spent.

120-36 = 84 minutes left

So, if 120 is the 100% of the meeting, for 84 minutes:

120/100 = 84/x

1.2 =84/x

x = 84/1.2

x = 70%

70% of the meeting is left.

8 0
3 years ago
What is bigger 1/5 or -4
kaheart [24]

Answer:

1/5

Step-by-step explanation:

The best way to think about this is on a number line. -4 would be on the left of 0 meaning it is less than 0 and \frac{1}{5} is on the right side of 0 but it is less than 1.

8 0
3 years ago
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