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IRISSAK [1]
3 years ago
14

What is the value of x

Mathematics
2 answers:
Soloha48 [4]3 years ago
4 0

Answer: The horizontal value in a pair of coordinates: how far along the point is. The X Coordinate is always written first in an ordered pair of coordinates (x,y), such as (12,5). In this example, the value "12" is the X Coordinate. Also called "Abscissa"

Step-by-step explanation: You didn't really give me more information to answer this but I still hope that this helped! :)

erica [24]3 years ago
4 0

Answer:

x equals 71

Step-by-step explanation:

Remark

All triangles have 180 degrees.

This triangle has 2 equal sides and therefore 2 equal angles.

Equation

x + x + 38  = 180           Combine the like terms on the left.

2x + 38 = 180                Subtract 38 from both sides.

2x + 38 - 38 = 180 - 38

2x = 142                        Divide by 2

2x/2 = 142/2

x = 71

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There was no 0 ce, so how many years ago was 33 ce?
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Answer:

1988 years ago.

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In right triangle DEF, ∠E is a right angle, m∠D=26∘, and DF=4.5.
jok3333 [9.3K]

Answer:

The measurement of EF is 1.98 units

Step-by-step explanation:

In Δ DEF

∵ m∠E = 90°

∴ FD is the hypotenuse of the triangle

∵ m∠D = 26°

∵ EF is opposite to angle D

- We can use the sine ratio to find it

∵ sin D = \frac{EF}{FD} ⇒ (opposite side / hypotenuse)

∵ FD = 4.5 units

∴ sin(26) = \frac{EF}{4.5}

- Multiply both sides by 4.5

∴ 4.5 sin(26) = EF

∵ sin 26° ≈ 0.44

∴ 4.5(0.44) = EF

∴ 1.98 = EF

The measurement of EF is 1.98 units

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