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Tanzania [10]
3 years ago
5

HELP WILL GIVE BRAINLIEST QUICK!

Mathematics
2 answers:
tekilochka [14]3 years ago
8 0

Answer: The first one is a closed circle at 6 and it goes backwards. 6 5 4 3 2 1 0 -1 etc. The second one is a open circle at 2 and it goes forward. 3 4 5 6 7 8 etc.

Step-by-step explanation: A closed circle means that the number is included in the equation whereas an open circle means that the number is not included. An arrow is pulled forwards if the equation has a greater sign and the arrow goes backwards when the equation has a less than sign. The "equation" can be a sentence by the way. Brainliest?

NikAS [45]3 years ago
4 0

Answer:

Here are the two pictures.


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20 inches or 20/1

Step-by-step explanation:

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3 years ago
What is place value of 2 in 72,389
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Find the equation for the line that passes through the point (2,2), and that is parallel to the line with the equation y=3/4x-4
telo118 [61]

Answer: y=3/4x  + 1/2

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6 0
3 years ago
Please help me I am horrid at math!
Serga [27]

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7 0
3 years ago
URGENT will give brilliant mark For the reaction 2Na + Cl2 ------ 2NaCl, how many grams of sodium chloride can be produced from
SVETLANKA909090 [29]

Answer:

825 g

Step-by-step explanation:

Here's my work:

500g Cl2 l   1mol Cl2  l  2 mol NaCl   l  58.5 g NaCl

                l   71 g Cl2    l  1 mol Cl2      l    1 mol NaCl  

= 823.94  - the rounding can be a little off

The first thing you have to do is convert the 500 g of Cl2 into moles.  So you get the mass of Cl which is 35.5, but Cl is diatomic by itself so you multiply 35.5 x 2 and get 71.   now on the third column you are comparing the mol ratios of the equation.  The equation is 2Na + Cl2 ---> 2NaCl, so you see that there is no coefficient in front of Cl2 so that means there is 1 mol, and then you see that in the product there is a  coefficient of 2 in front of NaCl so that means there is 2 moles.  Then finally you have to convert the moles backs into grams where you just add the masses of Na and Cl .  You multiply across the top  and then divide that number by the bottom row.

6 0
2 years ago
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