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Sonbull [250]
3 years ago
8

Use properties of operations to write two expressions that are equivalent to

Mathematics
1 answer:
fredd [130]3 years ago
3 0

Answer:

15y + 20 and 5(3y + 4) are equivalent because both the expressions have same values for any value of y. ...

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Solve for x<br> 12<br> (x + 2)/<br> B<br> O 14<br> O 10<br> 12<br> 06
Makovka662 [10]

Answer:

opposite sides of ||gram are equal and parallel therefore

12=x+2

12-2=x

10=x

pls mark as brainliest

6 0
3 years ago
Please Help!
Flura [38]
Let x be the length of the train.

On the basis of the observer;
Speed of the train = x/6

On the basis of the bridge;
Total distance covered by any point of the train= 350+x
Speed = (350+x)/20

Equating the two expressions of speed;
x/6 = (350+x)/20
20(x) = 6(350+x)
20x = 2100+6x
(20-6)x = 2100
14x = 2100
x= 2100/14 = 150 m
Speed = x/6 = (350+x)/20 = 150/6 = 500/20 = 25 m/s.

Therefore,
Length of train = 150 m
Speed of train = 25 m/s
8 0
4 years ago
Pandas: There is a well-studied panda population in Wuyipeng. In 1981 there were 25 pandas and the researchers determined that t
Mademuasel [1]

The equation that models the data on pandas is FV = 25(1.066)^t.

<h3>What models the data?
</h3>

The formula for calculating future value of the pandas is:

FV = P (1 + r) ^n

  • FV = Future value
  • P = Present value
  • R = annual population growth
  • N = number of years

FV = 25(1.066)^t

To learn more about future value, please check: brainly.com/question/18760477

#SPJ1

8 0
2 years ago
What are all the fractions are equivalent to 4/12
GarryVolchara [31]
The answers are 1/3, 2/6, 3/9, 4/12
5 0
3 years ago
The side length of a square is 7 units. The square is reflected over the x-axis in the coordinate plane.
Delvig [45]
I believe the answer is 7

Explanation- a square reflected will have the same lengths and widths also we know that a square side are all the same.
3 0
3 years ago
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