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kakasveta [241]
2 years ago
9

HELP!! ILL GIVE THE BRIANLIEST to whoever ANSWERS CORRECTLY!!

Mathematics
2 answers:
pashok25 [27]2 years ago
7 0
The answer It is -4,-5 good luck
Luba_88 [7]2 years ago
6 0

Answer: The answer is B (4,-5)

Step-by-step explanation:

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Two solutions of the equation Ax+By = 1 are (2, -1) and (-3,-2). Find A and B.
kati45 [8]

Answer:

Substitute in the values of both given coordinates & form 2 equations:

\left \{ {{A(2)+B(-1)=1} \atop {A(-3)+B(-2)=1}} \right. \\\\=\left \{ {{2A-B=1} \atop {-3A-2B=1}} \right.

Find the value of B from the equation 2A - B = 1:

2A-B=1\\-B=1-2A\\B=2A-1

Substitute in the B-value to the other equation:

-3A-2B=1\\-3A-2(2A-1)=1\\-3A-4A+2=1\\-7A=1-2\\-7A=-1\\A=\frac{-1}{-7} =\frac{1}{7}

Find the B-value using the equation from before:

B=2A-1=2(\frac{1}{7})-1=\frac{2}{7} -\frac{7}{7} =-\frac{5}{7}  

Therefore the equation Ax + By = 1 would equal:

\frac{1}{7} x-\frac{5}{7} y=1

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3 years ago
Complete the statements. If necessary, round angle measures to the nearest degree. Round other values to the nearest hundredth
yKpoI14uk [10]
The answer is 74
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5 0
3 years ago
arah is keeping up with how many miles her car gets per gallon. She starts with a full tank. After 448 miles, she fills up with
baherus [9]
Since a coordinate is written as (x,y) then the x-value is 14 and the y-value is 448. Therefore, the answer is 448. Hope I helped!
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Any help is appreciated:)<br><br>God blast it the photo didn’t load
mart [117]

... what is the question lol

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A packet of 33 Marbles needs to be split between Gavin and Howard in the ratio of 5:6. How many marbles will each boy get. ​
Eduardwww [97]

Answer:

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Step-by-step explanation:

33 split into groups of 5 and 6

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