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2 years ago

THE QUESTION IS EASY PLS ANSWER THE QUESTION . BUT I DONT KNOW PLSS

Mathematics

2 answers:

Sliva [168]2 years ago

5 0

Well you can determine the unknown angle in the triangle by knowing that a triangles angles add up to 180.
64 + 52 + (Unknown) = 180
Unknown = 64
Unknown and the angle of F create a 180 angle relationship. Therefore,
F = 180-64 —> 116
Angle D has a 180 angle relationship with F and so does X with D, so F and X are the same.
Answer: 116

Shkiper50 [21]2 years ago

3 0

Answer:

x=116

Step-by-step explanation:

180-C will get you F since they are adjacent angles, which would be 116. We know that the opposite angles of a parallelogram are equal, so x=116

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stepladder [879]

Answer:

Step-by-step explanation:

Rate, in this case, is mph which can be written as miles/hours.

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7 0

2 years ago

Round to nearest ten thousand 409,381,886

Dmitriy789 [7]

409,380,000
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6 0

3 years ago

Read 2 more answers

Triplets, Linda, Misti and Chris are 135 years old if you add their ages. How old is Chris?

Pani-rosa [81]

Answer:

Step-by-step explanation:

135/3 i think?

and that is 45

6 0

3 years ago

YALL THIS IS DUE

slamgirl [31]

Start with the bottom surface area, 7x7=49

then go to the triangles, base times height divided by 2, so (7x14)/2=49
and since there are 4 triangles, multiply 49 by 4 = 196 and add the area of the bottom, which all adds up to 245

8 0

3 years ago

write an equation for an ellipse centered at the origin, which has foci at (+-3,0) and co vertices at (0+-4)

natali 33 [55]

Answer:

The equation for an ellipse centered at the origin with foci at (-3, 0) and (+3, 0) and co-vertices at (0, -4) and (0, +4) is:

$\frac{x^{2}}{7} + \frac{y_{2}}{16} = 1$

Step-by-step explanation:

An ellipse center at origin is modelled after the following expression:

$\frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1$

Where:

$a$ , $b$ - Major and minor semi-axes, dimensionless.

The location of the two co-vertices are (0, - 4) and (0, + 4). The distance of the major semi-axis is found by means of the Pythagorean Theorem:

$2\cdot b = \sqrt{(0-0)^{2}+ [4 - (-4)]^{2}}$

$2\cdot b = \pm 8$

$b = \pm 4$

The length of the major semi-axes can be calculated by knowing the distance between center and any focus (c) and the major semi-axis. First, the distance between center and any focus is determined by means of the Pythagorean Theorem:

$2\cdot c = \sqrt{[3 - (-3)]^{2}+ (0-0)^{2}}$