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4 years ago

How would you round to the nearest hundredth for 4.2/9 step by step pls

Mathematics

1 answer:

bogdanovich [222]4 years ago

5 0

Answer:

0.47

Step-by-step explanation:

4.2/9 is 4.66 repeating
Hundredth means anything after the 6
Which means 7
So answer is 0.47

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What's the distance between the points (4,3) and (16,8)

omeli [17]

Answer:

Step-by-step explanation:

Use the distance formula to determine the distance between two points.

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3 years ago

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Use the distance formula, show that the points (4,0), (2,1), and (-1,-5) form the vertices of a right triangle

mario62 [17]

Step-by-step explanation:

The distance formula between two points:

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

Substitute the coordinates of the points.

$A(4,\ 0),\ B(2,\ 1),\ C(-1,\ -5)\\\\AB=\sqrt{(2-4)^2+(1-0)^2}=\sqrt{(-2)^2+1^2}=\sqrt{4+1}=\sqrt5\\\\AC=\sqrt{(-1-4)^2+(-5-0)^2}=\sqrt{(-5)^2+(-5)^2}=\sqrt{25+25}=\sqrt{50}\\\\BC=\sqrt{(-1-2)^2+(-5-1)^2}=\sqrt{(-3)^2+(-6)^2}=\sqrt{9+36}=\sqrt{45}$

If a ≤ b < c are the sides of the right triangle, then

a² + b² = c²

$\sqrt5$

used $(\sqrt{a})^2=a$ for a ≥ 0.

$AB^2+BC^2=AC^2$ therefore ΔABC is a right triangle.

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3 years ago

Is this right? you’re supposed to find FH

Rudik [331]

Answer:

FH=7

Step-by-step explanation:

If the whole thing FG is 22 and HG is 15 you subtract 22-15 and get 7

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3 years ago

Ellen bought 3 greeting cards for $3 each.

Ne4ueva [31]

Answer:

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Step-by-step explanation:

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3 years ago

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The answer to his is A

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