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Lana71 [14]
3 years ago
13

Change 5 feet 10 inches to centimetres

Mathematics
1 answer:
Vesnalui [34]3 years ago
3 0

Answer:

177.8

Step-by-step explanation:

There are 30.48 centimeters per foot so multiply 30.48 by 5. And there is 2.54 centimeters in a inch so multiply 2.54 by 10. And then add the totals together to get 177.8

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NNADVOKAT [17]

Answer:

volume= area×height /2

( it's like a half a cuboid)

area=6sq inc

3 0
3 years ago
Find the length of the hypotenuse of a right triangle if a = 3 and b = 4.
Mandarinka [93]

Answer:

5..(b)

Step-by-step explanation:

Pythagoras theorem states that

Hypotenuse(squared)=opposite(squared)+ adjacent(squared)

hypotenuse=?,opposite=3,adjacent=4

hyp(squared)=3(squared)+4(squared)

hyp(squared)=9+16

hyp(squared)=25

find the square root of both sides

hypotenuse=5

4 0
3 years ago
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Tanya has a certain amount of money in her savings account. Each month, for 6 months, she deposits $50 less than her original sa
Anna007 [38]
15 it’s 15 I think you divide
6 0
3 years ago
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Let u = <-4, 3>. Find the unit vector in the direction of u, and write your answer in component form. (2 points)
lana66690 [7]

Answer:  < -4/5,  3/5>

This is equivalent to writing < -0.8, 0.6 >

======================================================

Explanation:

Draw an xy grid and plot the point (-4,3) on it. Draw a segment from the origin to this point. Then draw a vertical line until reaching the x axis. See the diagram below.

We have a right triangle with legs of 4 and 3. The hypotenuse is \sqrt{4^2+3^2} = \sqrt{16+9} = \sqrt{25} = 5 through use of the pythagorean theorem.

We have a 3-4-5 right triangle.

Therefore, the vector is 5 units long. This is the magnitude of the vector.

Divide each component by the magnitude so that the resulting vector is a unit vector pointing in this same direction.

Therefore, we go from < -4, 3 > to < -4/5,  3/5 >

This is equivalent to < -0.8, 0.6 > since -4/5 = -0.8 and 3/5 = 0.6

Side note: Unit vectors are useful in computer graphics.

6 0
2 years ago
A brick has a mass of 100 g and a volume of 25 cm³. What is the density of the brick if the brick was chopped in half?
sp2606 [1]

Answer:

\frac{100}{25}  = 4 {g}{  {cm}^{ - 3}  }

3 0
3 years ago
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