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kobusy [5.1K]
3 years ago
15

Which property applies only to addition and subtraction

Mathematics
1 answer:
ad-work [718]3 years ago
3 0
Addition you add and in subtraction you subtract
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a contractor bought a rectangular piece of land that has a perimeter of 200 feet. the ration of the land's length to width is 9:
PIT_PIT [208]

Answer:

length/width = 1/1 = 1

Step-by-step explanation:

(3x)(2x) = 12150

6x^2 = 12150

x^2 = 2025

x = 45

Length is 135 ft, width is 90 ft, perimeter is 450 ft

Geometric mean: 135 : x :: x : 90

x^2 = 12150

x = 45√6

The second rectangular piece of land is a square !

length/width = 1/1 = 1

4 0
3 years ago
It cost $76.86 to redecorate Wiley’s room. Wiley’s mother let Wiley spend some of the money on posters. The bedspread and rugs c
mamaluj [8]
A is the answer bassically
5 0
3 years ago
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The price of a gallon of unleaded gas was $2.78 yesterday. Today, the price rose to $2.84, find the percentage increase. Round y
Alekssandra [29.7K]

Answer:

2%

Step-by-step explanation:

percentage increase = [(difference between price) / initial price] *100

7 0
3 years ago
What is the probability of randomly drawing an odd number between 24 and 33?
Studentka2010 [4]
Write out the numbers between 24 and 33:  {24, 25, 26, 27, 28, 29, 30, 31, 32, 33}

How many numbers have we here?  10.

How many of these numbers are odd?  {25, 27, 29, 31, 33}

Strictly speaking, "between 24 and 33" does not include {24, 33}.

Thus, the odd numbers between 24 and 33 are {25, 27, 29, 31}

The chances of drawing an odd number between 24 and 33 are then 4 / 10.

If, however, we omit the endpoints 24 and 33, then there are 8 numbers between 24 and 33:  {25, 27, 29, 31}

and the odds of choosing an odd number from these eight numbers is 4/8, or 1/2, or 0.50.
6 0
3 years ago
tom takes a taxi to work. There is an initial fee of $2.20. Each mile is calculated at $1.50. If Tom's final cost for the taxi i
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Fee for distance = total fee - initial fee = 12.70-2.20 = $10.50

Now, for 1 mile = $1.50

for x miles = 10.50/1.50 = 7

So, tom travel 7 miles.

5 0
3 years ago
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