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4vir4ik [10]
2 years ago
6

How were decimals written in Roman

Mathematics
1 answer:
Feliz [49]2 years ago
8 0

Roman Numerals

The Roman Numeral symbols have the following decimal values: I=1, V=5, X=10, L=50, C=100, D=500, M=1000 The symbols are written in additive (or subtractive) order from left to right. ... That is sufficient to represent the decimal number 999999999.

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Thanks to who ever helped me with this question!​
ollegr [7]

Answer:

-9

Step-by-step explanation:

Since the opposite angles of both sides are congruent we know that the sides must be congruent also. Therefore, to solve for x we can set them equal to each other.

So the equation will be x+19=10, to solve we must isolate the variable.

First, subtract 19 from both sides

x+19-19=10-19

Then, simplify

x=-9

3 0
3 years ago
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An orange has 30 calories more than a peach
Luden [163]

Answer:

O = p + 30

13p = 7o

O is (x+30)

O = 1+30 ....31

6 0
3 years ago
Isolated triangle 68 perimeter equal sides more than 10 ft use x for the shorter side formula
Ugo [173]

Answer:

Step-by-step explanation:

Find the perimeter of an isosceles triangle whose equal sides have a size of 10 m each and the angle between them equal to 30°. We need to know all sides in order to find the perimeter of this triangle. Let x be the base of this isosceles triangle.

6 0
2 years ago
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katovenus [111]
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3 0
3 years ago
1. A plane is flying at an altitude of 13000 feet. The angle of depression from the plane to a control tower is 20 degrees. The
Mariulka [41]

Answer:

see explanation

Step-by-step explanation:

There is a right triangle formed between the height above the tower to the plane, the horizontal and the line from the tower to the plane.

The height above the tower to the plane = 13000 - 150 = 12850 ft

The angle between the plane and the tower is 20° , angle of depression.

Using the tangent ratio in the right triangle formed, with the adjacent side being the horizontal ( hor ) distance, then

tan20° = \frac{opposite}{adjacent} = \frac{12850}{hor} ( multiply both sides by hor)

hor × tan20° = 12850 ( divide both sides by tan20° )

hor = \frac{12850}{tan20} ≈ 35305 ft ( to the nearest foot )

(2)

Arianna is 60 + 5 = 65 ft above the ground ( to her eye level )

Using the right triangle formed with legs 65 and 37  and angle of depression x, then

tanx° = \frac{opposite}{adjacent} = \frac{37}{65} , thus

x = tan^{-1} (\frac{37}{65} ) ≈ 30° ( to the nearest degree )

4 0
3 years ago
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