3 years ago

Solve the equation.Round to the nearest tenth.

Mathematics

1 answer:

lianna [129]3 years ago

4 0

Answer should be B. 4.6

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stich3 [128]

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Answer:

C. (45+11i)/29

Step-by-step explanation:

Multiply numerator and denominator by the conjugate of the denominator.

$\dfrac{5-7i}{2-5i}=\dfrac{(5-7i)(2+5i)}{(2-5i)(2+5i)}=\dfrac{(5)(2)+(-7i)(5i) +(5)(5i)+(-7i)(2)}{2^2+5^2}\\\\=\dfrac{(10+35)+(24-14)i}{29}=\boxed{\dfrac{45}{29}+\dfrac{11}{29}i}$

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The sum of three consective even integers if the largest number is y

coldgirl [10]

Step-by-step explanation:

If y is largest number, you want y, and the two next smaller even integers smaller than y - i.e. y, y-2, and y-4

The sum of these is y + (y-2) + (y-4).

This simplifies to 3y - 6 or 3(y - 2)

Since we don’t know what y is, this is as far as we can solve the problem.

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Drag each equation to show if it could be a correct first step to solving the equation 8(x + 5) = 56.

lana66690 [7]

8(x + 5) = 56

first step id to distribute the 8 through the parenthesis

8x + 40 = 56

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ASHA 777 [7]

The answer is 9.857. This can be rounded.

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Black_prince [1.1K]

C is the answer because with this kind of math the answer can be Neg or Postive <span />

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