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3 years ago

Solve for the distance from point A to point B. Round your answer to

Mathematics

1 answer:

Cloud [144]3 years ago

6 0

Answer:

11.4

Step-by-step explanation:

Distance Formula: $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

1. $d=\sqrt{(-4-5)^2+(-3-4)^2}$

2. $d=\sqrt{(-9)^2+(-7)^2}$

3. $d=\sqrt{81+49}$

4. $d=\sqrt{130}$

5. $d=11.4017$

6. $d=11.4$

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12What mistake did the student make when solvingtheir two-step equation?(a)b) If correctly solved what should the value of be?

mixas84 [53]

Given the equation:

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(a) You can identify that the student applied the Subtraction Property of Equality by subtraction 3 from both sides of the equation:

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However, the student made a mistake when adding the numbers on the right side.

Since you have two numbers with the same sign on the right side of the equation, you must add them, not subtract them and use the same sign in the result. Then, the steps to add them are:

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Then: