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nirvana33 [79]
3 years ago
11

Will choose brainliest and 12 points

Mathematics
1 answer:
sveta [45]3 years ago
7 0
The answer is equation 2 as it expands to 0=0
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Two numbers have a sum of 1212 and a difference of 518 what are are the two numbers
lapo4ka [179]
This question involves systems of equations. You can use matrices on a graphing calculator or solve by elimination. Set this up as x+y=1212 and x-y=518. If you solve on a graphing calculator, click 2nd matrix then edit. Change the matrix to a two by three and input on the first line horizontally 1, 1, 1212 and on the second line 1, -1, 518. Then hit the quit button and go to the home screen. Click 2nd matrix again and hit rref and quit again and click on the name of the matrix. If you solve by elimination multiply the first one by -1 so your ys can cancel and then find x and plug in. So your two numbers are 865 and 347. 

-Trust me, learn how to do these on your calculator, it will minus the tricky solving of systems.
7 0
3 years ago
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Can someone plz help! Will mark brainliest if its right
attashe74 [19]

Answer: that is the answer to both

Step-by-step explanation:

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2 years ago
Brainly for the one who help me
Sonja [21]

Answer:

See below

Step-by-step explanation:

Make <u>SEVEN</u> jumps that are each <u>0.2</u> unit long.  You end at <u>1.4</u> which is th product

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994 multiplied by 239
Svetlanka [38]

Answer:

The answer is 237566.


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Eva measures the mass of her pet lizard each month. She wrote this equation to describe her lizard's growth.
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Answer:

independent variable- change or control

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so ...

x can be type of lizard (you can change the lizard's size, type/species, etc)

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