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WINSTONCH [101]
3 years ago
8

PLSSSSSS HELPPPPPPP FAST WILL GIVE BRAINLIEST IF CORRECT!!

Mathematics
1 answer:
Furkat [3]3 years ago
8 0

Answer

It's D

Step-by-step explanation:

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Solve for x. x-17=-57<br> i need help
seraphim [82]
X - 17 = -57
-17. -17
x = -74

hope this helps xo
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
3 years ago
The value of a car is $20,000. It loses 10.7% of its value every year . Find the approximate monthly decrease in value . Round y
jenyasd209 [6]

Answer:

$178.3

Step-by-step explanation:

The value of a car is $20,000

The car loses 10.7% of its value yearly

Since there are 12 months in a year then 10.7% can be represented as

10.7%/12

= 0.8916%

Therefore the approximate monthly decrease in value can be calculated as follows

= $20,000×0.8916/100

= $20,000×0.008916

= $178.3

Hence the approximate monthly decrease in value is $178.3

7 0
3 years ago
Two trains are traveling at a constant seed on different tracks Which train is traveling faster
EleoNora [17]

Answer:

Whichever train has the greatest numbers

Step-by-step explanation:

4 0
3 years ago
Please answer it as fast as u can ​
Vadim26 [7]

Answer:

Am I missing something to this question?

As pictured, the answer is 12 7/9ths.

7 0
3 years ago
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