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saul85 [17]
3 years ago
13

Will give brainliest.

Mathematics
1 answer:
ehidna [41]3 years ago
7 0

1. no, because the sides dont have to have the same ratio. similar triangles would have to have equal angles, but that isn't necessary for a right triangle since the only requirement is for one side to equal 90°. that means the other 2 sides could be any angle, as long as they add up to 90°

2. yes, because they have the same number of sides, they will have the same proportions and interior angles, making them similar

12. no

13. yes

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What is the value of k?
Nezavi [6.7K]

9514 1404 393

Answer:

  k = 10

Step-by-step explanation:

The exterior angle is equal to the sum of the remote interior angles.

  115° = (4k +5)° +(6k +10)°

  115 = 10k +15 . . . . . . . . . . . divide by °, simplify

  100 = 10k . . . . . . . . . . . . subtract 15

  10 = k . . . . . . . . . . . . . . divide by 10

5 0
3 years ago
"For country​ North, the opportunity cost incurred when 3 tractors are produced is 21 watches. For country​ South, the opportuni
melomori [17]

Answer:

Country North has the comparative advantage in the production of tractor

Step-by-step explanation:

The principle of comparative advantage states that a country should specialize in the production of goods in which it have comparative cost advantage over other nations. i.e A country should focus on the production of the goods in which it has   a lower opportunity cost in producing  than someone else.  

The question given shows that Country North has a lower opportunity cost (which is 21 watches) if it produces 3 tractors compared to country south which has an opportunity cost of  100 watches when it produces 5 tractors.

Hence, we can say that country North has a comparative advantage in the production of Tractors over country south because its opportunity cost when its produces tractors   is lower than that of the country south  

6 0
3 years ago
Find the area of the shaded region . RQ= 71.5 inches and PO=93.4 inches . Use 3.14 as necessary
Semenov [28]

Answer:

25,886.01 in²

Step-by-step explanation:

The area of shaded region = Area of the outter circle (the larger circle) - area of the inner circle (the smaller circle)

Area of a circle = πr²

Radius of larger circle = PO = 93.4 in

Area of the larger circle = 3.14*93.4² = 27,391.98 in²

Radius of smaller circle = PO - RQ = 93.4 - 71.5 = 21.9

Area of smaller circle = 3.14*21.9² = 1,505.97 in²

Area of shaded region = 27,391.98 - 1,505.97 = 25,886.01 in²

4 0
3 years ago
Uh i need help with those 3, will give brainliest, thanks!
rusak2 [61]

Answer:

26 = G. 27 = A. 28 = J

Step-by-step explanation:

26} A Nickle = 5 cents. A Dime = 10 Cents.

Way #1: 5+5+5+5+5+5 = 30

Way #2: 10 + 10 + 10 = 30

Way #3: 10 + 5 + 5 + 5 + 5 = 30

Way #4: 10+ 10+ 5 + 5 = 30

27} Pennies = 1 Cent. Nickels = 5 Cents. Dimes = 10 cents.

Way #1: 1+1+1+1+1+5+ 10 = 20

28} Pennies = 1 Cent. Nickels = 5 Cents. Dimes = 10 Cents.

Way #1: 10+5+1+1 = 17

Way #2: 5+5+5+11 = 17

Way #3: 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1 = 17

Way #4: 1+1+1+1+1+1+1+10 = 17

Way #5: 5+1+1+1+1+1+1+1+1+1+1+1+1 = 17

5 0
3 years ago
The Doritos are $4.50 on sale. There are 15 oz in a bag. So, how much is 1 oz Of Doritos?
photoshop1234 [79]
Thirty cents
$.30
hope this helps
8 0
3 years ago
Read 2 more answers
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