3 years ago

Two equation Ax+By=1 and (3,-1)(-2,-2). Find A and B

1 answer:

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IT IS Biodarmate physical access process in great Aphrodite in which is will be used when both the variable size will be multiplied with both

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Step-by-step explanation:

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3 years ago

Jina drove 240 miles using 9 gallons of gas.At this rate,how many gallons of gas would she need to drive 216 miles?

Varvara68 [4.7K]

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8.1 gallons of gas

Step-by-step explanation:

240/9=216/x

simplify 240/9 into 80/3,

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3 years ago

Which answer is equivalent to<br> ??? Help please

grigory [225]

Answer:

$\large\boxed{\dfrac{36}{25}}$

Step-by-step explanation:

$\text{Use}\ a^{-n}=\dfrac{1}{a^n}\\\\\dfrac{5^{-2}\cdot9}{2^4\cdot4^{-3}}=(5^{-2}\cdot9):(2^4\cdot4^{-3})=\left(\dfrac{1}{5^2}\cdot9\right):\left(2^4\cdot(2^2)^{-3}\right)\\\\\text{use}\ (a^n)^m=a^{nm}\\\\=\left(\dfrac{1}{25}\cdot9\right):(2^4\cdot2^{-6})\\\\\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\dfrac{9}{25}:2^{4+(-6)}=\dfrac{9}{25}:2^{-2}=\dfrac{9}{25}:\dfrac{1}{2^2}=\dfrac{9}{25}:\dfrac{1}{4}=\dfrac{9}{25}\cdot\dfrac{4}{1}=\dfrac{36}{25}$

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3 years ago

Diego then says, If we take half of the first number and double the second, the sum is 14. Write an equation that could represen

Luden [163]

Step-by-step explanation:

let the first number be x

let the second number be y

½ of the first number= ½x

Double the second; 2*y=2y

the sum... that is ½x+2y=14

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3 years ago

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kondaur [170]

Ratio is the Whole cereal and pecans are part of
so it is part to part

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3 years ago

Two equation Ax+By=1 and (3,-1)(-2,-2). Find A and B​

Two equation Ax+By=1 and (3,-1)(-2,-2). Find A and B