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katrin2010 [14]
3 years ago
7

I need help with my little brothers homework?

Mathematics
2 answers:
erik [133]3 years ago
7 0
I only did the first part but maybe later I will solve the rest too. If there are any errors but tell me so I can update the pic.

olya-2409 [2.1K]3 years ago
3 0
2. There is 10 different strings
3. I think you need to draw out the string lengths and then your done :)
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Marina spent $13.50 at the grocery store. She bought pears, kiwis, and pineapples. Pears cost $0.50 each, pineapples cost $1.50
kiruha [24]

Answer:

Number of pineapples = 10

Number of pears = 10 + 9 = 19

Number of kiwis = 10 - 2 = 8

Step-by-step explanation:

Money = $ 13.5

Cost of a pear = $ 0.5

Cost of a pineapple = $ 1.5

Cost of a kiwi = $ 0.3

let the number of pineapple = p  

Number of pears = p + 9

Number of kiwis = p - 2

Cost is

0.5 (p + 9) + 0.15 p + 0.3 (p - 2) = 13.5

0.5 p + 4.5 + 0.15 p + 0.3 p - 0.6 = 13.5  

0.95 p = 9.6

p = 10

So, number of pineapples = 10

Number of pears = 10 + 9 = 19

Number of kiwis = 10 - 2 = 8  

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3 years ago
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Answer:

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Step-by-step explanation:

6 0
3 years ago
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(05.02)How many triangles can be made if one angle is 95° and another angle is obtuse? 1 2 More than 2 None
Firlakuza [10]

D. None. Say the obtuse angle is 100 degrees. Since the sum of all angles in a triangle cannot be bigger than 180, it's not possible because 195 (100+95) is greater than 180 degrees.


Hope this helps!!!!!!


3 0
2 years ago
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13) The side length of the following cube is 8 cm. what is the length of the diagonal through its center?​
Scorpion4ik [409]

Answer: \sqrt{3} x 8 = 13.8564064606

Step-by-step explanation: The main diagonal of any cube can be found by multiplying the length of one side by the square root of 3 (\sqrt{3}). Therefore, square root 3 (\sqrt{3}) is multiplied by the length (8 in our case) of either 6 faces of the cube.

Hope it helped!

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3 years ago
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Less than 100 students want to start at 9:00 am is it a random sampling or a population inferences
quester [9]

Population inferences.   Step-by-step explanation:

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2 years ago
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