3 years ago

This is the decimal system of weights and measures based on the meter as a unit length and the kilogram as a unit mass.

Mathematics

1 answer:

Volgvan3 years ago

8 0

Thee Metric System

Hope it helps!!!

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In a ABC, BD is perpendicular to AC.The dimensions are shown in centimeters. What is the lenght, in centimeters, of AC?

liq [111]

I need to know the dimensions to solve. Ex: "Line AC is 2.5 centimeters"
My bad - should've asked that under "Ask For Details."
Sorry :(

4 0

3 years ago

Is this correct? If not plz get answers 25points!!!

katen-ka-za [31]

That is correct.

Sqrt 5 x sqrt20

Apply the radical rule to get sqrt( 5 x 20)

Simplify to get sqrt(100)

Sqrt(100) = 10

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2 years ago

Find magnitude and directionof vector a = ( -3 , -3 )

nevsk [136]

Answer:

Step-by-step explanation:

Magnitude: |a|= $\sqrt{(-3)^{2}+(-3)^{2} }=3\sqrt{2}$

Direction: in the negative direction of the Ox axe and Oy axe

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2 years ago

The diagram below shows a circular pizza with a diameter of 10 inches. The pizza is in a square box with side lengths of 12 inch

rodikova [14]

Answer: 65.5 inches of the box is empty.

Step-by-step explanation:

Given : Diamter of circular pizza =10 inches

Then, radius = $\dfrac{10}{2} = 5\text{ inches}$

Area of circle = $\pi r^2$

Area of pizza = $3.14\times(5)^2=78.5\ sq. inches.$

Side of square = 12 inches

Area of square = side x side.

Area of square = 12 x 12 = 144sq. inches.

Area of box empty = Area of square - Area of pizza

= 144-78.5 sq. inches

= 65.5 inches

Hence, 65.5 inches of the box is empty.

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3 years ago

How many x-intercepts does the graph of the parabola x = -2y^2 + y + 1 have?

melisa1 [442]

I think (not 100% sure) there is 1

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3 years ago