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levacccp [35]
3 years ago
6

If two triangles are congruent, then the six________parts are congruent.

Mathematics
1 answer:
dybincka [34]3 years ago
5 0
I think the answer is angles
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Is the first one correct and what are the ages? Thanks
Fantom [35]

Answer:

a = 30°

Step-by-step explanation:

We need to find the value of a.

We know that, a straight line makes an angle of 180°.

In this case,

a+3a+2a = 180

6a = 180

a = 30°

So, the value of a is equal to 30°.

8 0
3 years ago
Can someone help me? Please
Anarel [89]
The answer i belive it's B i'm not 100% sure
8 0
3 years ago
What's bigger 3/6 or 3/8
Zanzabum
3/6 is bigger because it simplifies to 1/2 and 3/8 is below 1/2.
7 0
3 years ago
Read 2 more answers
What is 1.3 times 10 to the 15th power
svet-max [94.6K]
1.3 times 10 is 13 and 13 to the 15th power is 51185893014090760
5 0
3 years ago
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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
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