3 years ago

Hello! I have a question =) What is: (7/4x) - 5 + 2y - 3.5 + (-1/4x) + 5? Thank you!

Mathematics

2 answers:

Pavel [41]3 years ago

6 0

Answer:

3/2x+2y-7/2

Step-by-step explanation:

romanna [79]3 years ago

4 0

Answer:
1.5x-3.5+2y

Step-by-step explanation:

7/4x+-1/4x= 1.5x
-5+-3.5+5=-3.5
2y

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Point A is the point of concurrency of the angle bisectors of ΔDEF. What is the length of ZA? ZA = 3cm ZA = 4cm ZA = 5cm ZA = 6c

d1i1m1o1n [39]

The picture in the attached figure

we know that
The angle bisectors of a triangle intersect in a point (incenter) that is equidistant from the three sides of the triangle
so
ZA=YA=XA-----> are the radii of the inscribed circle
XA=3 cm

therefore
ZA=3 cm

the answer is
ZA=3 cm