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-Dominant- [34]
3 years ago
9

Can someone pls help me Use elimination to solve each system of equations.

History
1 answer:
Fynjy0 [20]3 years ago
3 0
(-1,5) is the final answer. hope u can read my writing haha!

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!!!!Can you please help me with this problem PLZ
marin [14]
Hi, thank you for posting your question here at Brainly.

All you have to do is add all the angles and equate to the total sum of angles for a quadrilateral.

360 = Angle Q + Angle P + Angle R + Angle S

Other relationships/equations are:
Q = 2P
R = 3b-19
S = 3b+10

Then, substituting...

360 = 2P + P + 3b - 19 + 3b + 10
360 = 3P +6b - 9
360 - 3P + 9 = 6b
6b = 369 - 3P
b = (369 - 3P)/6
b = 61.5 - 0.5P

Once you know the value of P, then you can determine the exact value of b.

3 0
3 years ago
(LC)Who was convicted of giving U.S. atomic secrets to the Soviet Union? Joseph McCarthy Sacco and Vanzetti Elizabeth Gurley Fly
My name is Ann [436]
The correct answer is Ethel and Julius Rosenberg.

Here is why the other answers are incorrect.

Joseph McCarthy was a US Senator focused on exposing communists in American society. His actions help sparked the House Un-American Activities Committee, which lead to innocent citizens being blacklisted by Congress.

Sacco and Vanzetti were two Italian immigrants convicted of murder. However, the lack of evidence caused citizens to believe that these individuals were wrongly convicted/executed due to their political belief in the system of anarchy.

Elizabeth Gurley was a woman's right activists and also helped in the development of labor unions during the World War I era.
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3 years ago
Which event led to early Virginia colonists to seek Native American help to survive? *
anyanavicka [17]
In the next decade, the colonists conducted search and destroy raids on Native American settlements. They burned villages and corn crops (ironic, in that the English were often starving). Both sides committed atrocities against the other. ... Their marriage did help relations between Native Americans and colonists.
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3 years ago
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stepladder [879]
The answer to the is sergeration 
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