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3 years ago

Which ordered pair is a solution of the equation? 5x−2y=18

Mathematics

1 answer:

Mariulka [41]3 years ago

4 0

Answer:

Step-by-step explanation:

5x−2y=18

5(0)−2y=18

-2y=18

y=-9

5x−2(0)=18

5x+0=18

5x=18

x=18/5

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What is the value of the expression x^3y^2/6 + x^2y^2 x = -2 and y = 3?

Volgvan

$\huge\text{Hey there!}$

$\mathsf{\dfrac{(-2^3)(3^2)}{6}+(-2^2)(3^2)}$

$\mathsf{(-2)^3=\bf -8}$

$\mathsf{= \dfrac{-8(3^2)}{6}+(-2^2)(3^2)}$

$\mathsf{3^2=\bf 9}$

$\mathsf{= \dfrac{(-8)(9)}{6}+(-2^2)(3^2)}$

$\mathsf{-8(9)= \bf -72}$

$\mathsf{= \dfrac{-72}{6}+(-2^2)+(3^2)}$

$\mathsf{\dfrac{-72}{6}=\bf -12}$

$\mathsf{= -12+(-2)^2(3^2)}$

$\mathsf{-2^2=\bf 4}$

$\mathsf{= -12+4(3^2)}$

$\mathsf{3^2=\bf 9}$

$\mathsf{= -12+4(9)}$

$\mathsf{4(9)= \bf 36}$

$\mathsf{-12 + 36 = \bf 24}$

$\boxed{\boxed{\large\text{Answer: \huge\bf Option C. 24}}}\huge\checkmark$

$\text{Good luck on your assignment and enjoy your day!}$

~ $\frak{Amphitrite1040:)}$

5 0

4 years ago

two dice are rolled in succession. determine the probability that their sum is 10 or more,given that the first die is a 5

MrRa [10]

If the first die is a 5, the second must be 5 or more in order to have a sum of at least ten.

Assuming it is a six sided die, the two values that would make this true are 5 and 6.

2 values/6 possible would be a probability of 2/6, which simplifies to 1/3

Final answer: 1/3

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Step-by-step explanation:

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