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klasskru [66]
3 years ago
12

Solve the system. 4x+2y+3z=12 2x−3y+5z=−7 6x−y+4z=−3

Mathematics
1 answer:
Vikki [24]3 years ago
4 0
Are these 3 separate questions?
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Each square on Olivia's chessboard is 11 square centimeters.A chessboard has 8 squares on each sid.To the nearest tenth,what is
stellarik [79]
First, find the length of one side of a square:
Area = side²
11 = s²
s = √(11) cm

Since there are 8 squares on each side, multiply the length of one square by 8 to get the length of 8 squares.
√(11) * 8 = 8√(11) ≈16.5 cm

Hope this helps!
5 0
3 years ago
What is the selling price of a set of scrubs if the markup is 80% of the cost, and the cost is $37.99?
attashe74 [19]

Answer:

Discount = Original Price x Discount %/100

Discount = 37.99 × 80/100

Discount = 37.99 x 0.8

You save = $30.39

Final Price = Original Price - Discount

Final Price = 37.99 - 30.392

Final Price = $7.60

7 0
3 years ago
in 2010, the continent of south america has a population of 395,280,204. which of the following is the closest estimate of this
grigory [225]

South America is a subcontinent of the Americas located in the Southern, Western ... with a 2013 population estimated at 386,000,000, according to national estimates of ... By far the most populous country in South America is Brazil, which has ... as high as 8% in the case of Argentina, while unemployment remaining but low

but i would say your answer could be D

6 0
3 years ago
Divide.<br><br> 456 ÷ 7<br><br><br> 64 R 1<br><br> 64 R 2<br><br> 65 R 1<br><br> 65 R 2
umka2103 [35]

Answer:

456/7 equal to (drum rolls) 65.1428571429

Step-by-step explanation:

8 0
3 years ago
You started the trail with 500lbs. of food. You now have 282lbs. of food. What percentage of your starting amount do you have le
mestny [16]

Answer:

43.6%

Step-by-step explanation:

500-282=218

218/500=0.436

0.436=43.6%

3 0
3 years ago
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