3 years ago

28 is 12 less than k. Solve for k. Whats k?

Mathematics

1 answer:

Maru [420]3 years ago

5 0

Answer:

Step-by-step explanation:

28=k-12

28+12=k

40=k

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Nelson goes to three main places most days school, work and his home. They are graphed below. What is the distance between his h

Zarrin [17]

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9.5

EXPLANATION

To find the distance between home and work, we have to use the formula:

$D\text{ = }\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2}$

We have that home is at point (3, -3) and work is at point (0, 6).

Therefore:

(x1, y1) = (3, -3)

(x2, y2) = (0, 6)

Therefore, we have that:

$\begin{gathered} D\text{ = }\sqrt[]{(0-3)^2+(6-(-3))^2} \\ D\text{ = }\sqrt[]{(-3)^2+(6+3)^2}\text{ = }\sqrt[]{(-3)^2+(9)^2} \\ D\text{ = }\sqrt[]{9\text{ + 81}}\text{ = }\sqrt[]{90} \\ D\text{ = 9.5} \end{gathered}$

The answer is 9.5

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1 year ago