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vitfil [10]
3 years ago
14

Which elements make up a water molecule?

Mathematics
2 answers:
tester [92]3 years ago
7 0

Answer:

D) Hydrogen and Oxygen

Step-by-step explanation:

aliya0001 [1]3 years ago
4 0

Answer:

The answer is D

Step-by-step explanation:

Water is made of both hydrogen and oxygen

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Each year the school purchases agendas, this year the school sold 350 agendas at the cost of $1.137.50. If the school wants a pr
choli [55]
If they sell the same amount next year and want to reach $1,500, they must higher the price. to do that, they can divide the $1500 by the number of agendas. Do the math yourself, its not very hard.
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3 years ago
Mr.russo exchanged 200 euros (European money) for 270 dollars. how many dollars would he get for 300 euros
Damm [24]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

6 0
3 years ago
In QRS, mQ= 8x-17,mR=19x+4,and mS=5x+1. Classify QRS by its angles and sides
katen-ka-za [31]

Answer:

Option (3) and Option (5)

Step-by-step explanation:

By the property of a triangle,

Sum of interior angles of a triangle is 180°.

m∠Q + m∠R + m∠S = 180°

By substituting the measures of angles in the equation,

(8x - 17)° + (19x + 4)° + (5x + 1)° = 180°

32x - 12 = 180

32x = 192

x = 6

m∠Q = (8x - 17)° = 48 - 17

                          = 31°

m∠R = (19x + 4)° = 114 + 4

                           = 118°

m∠S = (5x + 1) = 30 + 1

                       = 31°

Since, one interior angle measures 118° which is grater than 90°.

Therefore, triangle QRS is an obtuse triangle.

Since, m∠Q = m∠R = 31°

It's an isosceles triangle.

Option (3) and Option (5) are the correct options.

4 0
3 years ago
Question 4 deon runs 7 miles in 50 minutes. at the same rate, how many miles would he run in 75 minutes?
avanturin [10]
Set up a proportion of miles to minutes:

7 mi/50 min= x mi/75 min

Cross multiply:
7*75=525
525/50= 10.5

Final answer: 10.5 mi
3 0
3 years ago
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