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Elina [12.6K]
3 years ago
11

Please help first correct will get brianliest. Find the value of x that makes DEF XYZ

Mathematics
1 answer:
erica [24]3 years ago
6 0

Answer:

x = 7

Step-by-step explanation:

The larger triangle is twice as big as the smaller triangle. Therefore, the length of the side EF is twice as large as the side YZ.

I multiplied 4.5 (the length of YZ) and 2 to get 9. The value of side EF is 3x-12 and should be equivalent to 9.

3x - 12 = 9

I solved this equation by adding 12 to both sides and dividing 3 on both sides.

The value of x is 7.

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Please help meee :((
astra-53 [7]

Answer:

49 +80= 129

180 - 129= 51

Opposite are equal.

Extend line of QR - so, the x shape made can be used to calculate what x is.

51 + 51 = 102

Reflex angles adds to 360

360-102= 258 of the other opposite angles left.

258/2 = 129 since opposite angles are equal.

Answer is 129 degrees

Hope this helps!

3 0
3 years ago
tres amigos reinaldo, yasir y jefferson tienen como profesiones medico, ingeniero y profesor, sin que sepamos cual de ellas corr
zimovet [89]

Answer:

Reinaldo es ingeniero

Step-by-step explanation:

Por los datos del problema sabemos que Jeferson es casado. También sabemos que el profesor se casará pronto, así que:

Jeferson no es profesor

Reinaldo debe tomar el metro para visitar al médico, así que no es vecino de ninguno. Como el médico y el profesor son vecinos, entonces Reinaldo no es médico ni profesor, asi que

Reinaldo es ingeniero

Podemos saber además que si Jeferson no es profesor (ya demostrado) ni tampoco es ingeniero, entonces

Jeferson es médico

Por descarte, Yasir es profesor

4 0
4 years ago
What is the equation of the line in slope-intercept form? Line on a coordinate plane. The line runs through points begin ordered
ki77a [65]

Answer:

5 + 0 = 3 x 0

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Minhaoh i need help go to my profile the qustion will be there
Fittoniya [83]

Answer:

-5/3

Step-by-step explanation:

(0,8) (3,3)

7 0
3 years ago
A trail around a river is 3 1/4 miles long. What is the length, in feet, of the trail?
Law Incorporation [45]
5280 feet in a mile
3.25 x 5280 = 17160 feet
3 0
3 years ago
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