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kipiarov [429]
3 years ago
8

Solve by substitution3x - 3y = -6 z=-3x-3y+9 -4x+5y+z=8

Mathematics
1 answer:
Vanyuwa [196]3 years ago
4 0
1. Y= x+2
2. Y=Y
3. E^2 Al^3 ^2 anumbs
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The product of two numbers is 21. If the first number is -3 which equation respents this situation and what is the second number
Vaselesa [24]

Let the second no. be x

-3x = 21 → x = 21/-3 → x = -7

4 0
1 year ago
Suppose the population of a certain city is 5769 . It is expected to decrease to 4963 in 50 years. Find the percent decrease.
creativ13 [48]

Answer:

≈ 13.98%

Step-by-step explanation:

As the total population is 5769 in the initial period, you must find the percentage that repesents 4963 that is the expected population.

4963/5769=0.8602

Then you multiply it by 100 to transform it into percentage

0.8602*100=86.02%

Then it's just necesary to subtract that from 100% and that numbers is the percentage of decrease

100% - 86.02% = 13.98%

Also you can say that is approximately  14%

4 0
3 years ago
The table shows the cost of renting movies online. Number of Movies Cost 1 $3.99 2 $7.98 3 $11.97 4 $15.96 5 $19.95 What does th
Iteru [2.4K]

Answer: A


Step-by-step explanation: If you subtract each price by the price lower then it. Ex: $19.95 - $15.96 = $3.99, $15.96 - $11.97 = $3.99 and so on. They all equal $3.99.


3 0
3 years ago
What is the value of x to the nearest tenth?
Stolb23 [73]
X = 6 / tan(67)

x = 2.546

rounded to nearest tenth x = 2.5
7 0
3 years ago
AGAIN BRAINLIESTTT IM SORRY JUST HELPP<br><br> What is the square root of 10?
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the square root of 10 is 3.16
3 0
3 years ago
Read 2 more answers
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