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3 years ago

HELP!!

Mathematics

1 answer:

Oduvanchick [21]3 years ago

7 0

We need to find the fewest number of significant figures in the given options.

A. 360.01 has five significant figures.

B. 5,003.1 has five significant figures.

C. 296.54 has five significant figures.

D. 18.3 has only three significant figures.

Therefore, the fewest number of significant figures are 3.

<h3>Therefore, correct option is D option.</h3><h3>D. 18.3.</h3>

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Find the perimeter of the quadrilateral that has vertices at (8,13), (5,-18), (-6,-6), and (-2,-5).

kodGreya [7K]

Answer:

72.14 units

Step-by-step explanation:

Let A(8,13), B(5,-18),C(-6,-6) and D(-2,-5)

Apply the distance formula as;

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

Finding the lengths of the segments

For AB

$AB=\sqrt{(5-8)^2+(-18-13)^2} =\sqrt{(-3^2)+(-31^2)} =\sqrt{970} =31.14$

For BC

$BC=\sqrt{(-6-5)^2+(-6--18)^2} =\sqrt{(-11^2)+12^2} =\sqrt{265} =16.28$

For CD

$CD=\sqrt{(-2--6)^2+(-5--6)^2} =\sqrt{4^2+1^2} =\sqrt{16+1} =\sqrt{17} =4.12$

For DA

$DA=\sqrt{(8--2)^2+(13--5)^2} =\sqrt{10^2+18^2} =\sqrt{424} =20.6$

Finding the perimeter will be;

31.14+16.28+4.12+20.6=72.14 units

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3 years ago

Lisa has played in six soccer matches. her brother Josh has played 18 soccer matches. Lisa says josh has played in 12 times as m

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Answer:

Josh has played in 3 times as many as Lisa has.

Step-by-step explanation:

She mixed up multiplication and addition.

6+12=18

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Answer:

Step-by-step explanation:

The equation

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2 = (1/6)x

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